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Monitorizar cambios

Detecta nuevas inscripciones en el registro y recibe avisos.

Cuando algo cambia para una empresa en el registro, normalmente quieres saberlo rápido. Hay cuatro caminos para ello. La tabla te ayuda a elegir; debajo se describe cada camino con un ejemplo.

Los caminos comparados

Camino
Camino Ideal para Necesitas Costes
Consultar tú mismo Empresas concretas, cualquier campo del perfil de empresa, tu propio calendario Un cron job y almacenamiento para el último estado El precio del perfil de empresa por consulta
Signals Cambios en todas las empresas por tema y periodo, o de forma dirigida para hasta 5 empresas Solicitudes periódicas a través de la API 20 créditos por página
Monitoring Empresas seleccionadas; comprobamos con un calendario fijo y avisamos por webhook Un endpoint HTTPS accesible públicamente Un precio por ciclo por monitor durante 30 días
Watchlist Seguir sin servidor propio, en el navegador o en un lector de feeds Solo la aplicación web 20 créditos por actualización del feed, como máximo una vez por hora

Signals, Monitoring y la watchlist usan los mismos temas. Nuevas inscripciones, cambios de datos básicos, cierres y disoluciones, cambios en la administración y cambios de capital están disponibles para cualquier cuenta. Las insolvencias vienen con Pro, las transformaciones y M&A con Max.

Consultar tú mismo con fetch-organization

Si solo te interesan ciertos campos, obtén el perfil de empresa periódicamente y compáralo con el último estado. Pídelo con la entity_id y las funciones que quieres comparar. En el ejemplo, es Hetzner Online GmbH, Ansbach HRB 6089. 

curl -G "https://handelsregister.ai/api/v1/fetch-organization" \
  -H "x-api-key: TU_CLAVE_API" \
  --data-urlencode 'q=94eb910fef13f94585c48c263fa446d4' \
  --data-urlencode 'feature=related_persons'
1{2  "entity_id": "94eb910fef13f94585c48c263fa446d4",3  "name": "Hetzner Online GmbH",4  "status": "ACTIVE",5  "address": {6    "house_number": "25",7    "street": "Industriestraße",8    "postal_code": "91710",9    "city": "Gunzenhausen",10    "county": "Weißenburg-Gunzenhausen",11    "state": "Bayern",12    "country": "DEU",13    "coordinates": {14      "latitude": 49.12483,15      "longitude": 10.7805216    }17  },18  "capital": {19    "current": {20      "amount": 50000,21      "currency": "EUR",22      "kind": "STAMMKAPITAL"23    },24    "history": [25      {26        "value": {27          "amount": 50000,28          "currency": "EUR",29          "kind": "GRUNDKAPITAL"30        },31        "effective_from": "2002-10-15",32        "effective_to": null33      }34    ]35  },36  "related_persons": {37    "current": [38      {39        "entity_id": "ea3a1670232611a992727ed067216d07",40        "label": "MANAGING_DIRECTOR",41        "role": {42          "en": {43            "long": "Managing Director",44            "short": "MD"45          },46          "de": {47            "long": "Geschäftsführer",48            "short": "GF"49          }50        },51        "name": "Paul Musterwald",52        "start_date": "2019-01-04",53        "end_date": null,54        "birth_date": "1989-07-18",55        "name_parts": {56          "given": "Paul",57          "family": "Musterwald",58          "maiden": null,59          "canonical_name": "Musterwald, Paul",60          "previous_names": null61        },62        "location": {63          "home": {64            "city": "Exempelingen i. Bay."65          }66        },67        "organization_representation_scheme": {68          "current": [69            "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."70          ],71          "history": [72            {73              "value": [74                "Ist nur ein Vorstandsmitglied bestellt, so vertritt es die Gesellschaft allein. Sind mehrere Vorstandsmitglieder bestellt, so wird die Gesellschaft durch zwei Vorstandsmitglieder oder durch ein Vorstandsmitglied gemeinsam mit einem Prokuristen vertreten."75              ],76              "effective_from": "2002-10-15",77              "effective_to": "2015-07-28"78            },79            {80              "value": [81                "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."82              ],83              "effective_from": "2015-07-28",84              "effective_to": null85            }86          ]87        },88        "role_representation_scheme": {89          "current": [90            "einzelvertretungsberechtigt."91          ],92          "history": [93            {94              "value": [95                "einzelvertretungsberechtigt."96              ],97              "effective_from": "2019-01-04",98              "effective_to": null99            }100          ]101        }102      },103      {104        "entity_id": "dd7e94b41f78de4195cc70c6b0f732f3",105        "label": "MANAGING_DIRECTOR",106        "role": {107          "en": {108            "long": "Managing Director",109            "short": "MD"110          },111          "de": {112            "long": "Geschäftsführer",113            "short": "GF"114          }115        },116        "name": "Jan Musterhuber",117        "start_date": "2019-01-04",118        "end_date": null,119        "birth_date": "1955-11-06",120        "name_parts": {121          "given": "Jan",122          "family": "Musterhuber",123          "maiden": null,124          "canonical_name": "Musterhuber, Jan",125          "previous_names": null126        },127        "location": {128          "home": {129            "city": "Probeingen"130          }131        },132        "organization_representation_scheme": {133          "current": [134            "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."135          ],136          "history": [137            {138              "value": [139                "Ist nur ein Vorstandsmitglied bestellt, so vertritt es die Gesellschaft allein. Sind mehrere Vorstandsmitglieder bestellt, so wird die Gesellschaft durch zwei Vorstandsmitglieder oder durch ein Vorstandsmitglied gemeinsam mit einem Prokuristen vertreten."140              ],141              "effective_from": "2002-10-15",142              "effective_to": "2015-07-28"143            },144            {145              "value": [146                "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."147              ],148              "effective_from": "2015-07-28",149              "effective_to": null150            }151          ]152        },153        "role_representation_scheme": {154          "current": [155            "einzelvertretungsberechtigt."156          ],157          "history": [158            {159              "value": [160                "einzelvertretungsberechtigt."161              ],162              "effective_from": "2019-01-04",163              "effective_to": null164            }165          ]166        }167      },168      {169        "entity_id": "08ed5f967956831ca6588930fd2693ed",170        "label": "MANAGING_DIRECTOR",171        "role": {172          "en": {173            "long": "Managing Director",174            "short": "MD"175          },176          "de": {177            "long": "Geschäftsführer",178            "short": "GF"179          }180        },181        "name": "Max Felix Mustermann",182        "start_date": "2015-07-28",183        "end_date": null,184        "birth_date": "1976-01-15",185        "name_parts": {186          "given": "Max Felix",187          "family": "Mustermann",188          "maiden": null,189          "canonical_name": "Mustermann, Max Felix",190          "previous_names": null191        },192        "location": {193          "home": {194            "city": "Musterheim"195          }196        },197        "organization_representation_scheme": {198          "current": [199            "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."200          ],201          "history": [202            {203              "value": [204                "Ist nur ein Vorstandsmitglied bestellt, so vertritt es die Gesellschaft allein. Sind mehrere Vorstandsmitglieder bestellt, so wird die Gesellschaft durch zwei Vorstandsmitglieder oder durch ein Vorstandsmitglied gemeinsam mit einem Prokuristen vertreten."205              ],206              "effective_from": "2002-10-15",207              "effective_to": "2015-07-28"208            },209            {210              "value": [211                "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."212              ],213              "effective_from": "2015-07-28",214              "effective_to": null215            }216          ]217        },218        "role_representation_scheme": {219          "current": [220            "einzelvertretungsberechtigt; mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen."221          ],222          "history": [223            {224              "value": [225                "einzelvertretungsberechtigt; mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen."226              ],227              "effective_from": "2015-07-28",228              "effective_to": null229            }230          ]231        }232      }233    ],234    "past": [235      {236        "entity_id": "ea3a1670232611a992727ed067216d07",237        "label": "PROCURA",238        "role": {239          "en": {240            "long": "Procura",241            "short": "Procura"242          },243          "de": {244            "long": "Prokura",245            "short": "Prokura"246          }247        },248        "name": "Paul Musterwald",249        "start_date": "2015-07-28",250        "end_date": "2019-01-04",251        "birth_date": "1989-07-18",252        "name_parts": {253          "given": "Paul",254          "family": "Musterwald",255          "maiden": null,256          "canonical_name": "Musterwald, Paul",257          "previous_names": null258        },259        "location": {260          "home": {261            "city": "Exempelingen i. Bay."262          }263        },264        "organization_representation_scheme": {265          "latest": [266            "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."267          ],268          "history": [269            {270              "value": [271                "Ist nur ein Vorstandsmitglied bestellt, so vertritt es die Gesellschaft allein. Sind mehrere Vorstandsmitglieder bestellt, so wird die Gesellschaft durch zwei Vorstandsmitglieder oder durch ein Vorstandsmitglied gemeinsam mit einem Prokuristen vertreten."272              ],273              "effective_from": "2002-10-15",274              "effective_to": "2015-07-28"275            },276            {277              "value": [278                "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."279              ],280              "effective_from": "2015-07-28",281              "effective_to": null282            }283          ]284        },285        "role_representation_scheme": {286          "latest": [287            "Gesamtprokura gemeinsam mit einem anderen Prokuristen:"288          ],289          "history": [290            {291              "value": [292                "Gesamtprokura gemeinsam mit einem anderen Prokuristen:"293              ],294              "effective_from": "2015-07-28",295              "effective_to": "2019-01-04"296            }297          ]298        }299      },300      {301        "entity_id": "dd7e94b41f78de4195cc70c6b0f732f3",302        "label": "PROCURA",303        "role": {304          "en": {305            "long": "Procura",306            "short": "Procura"307          },308          "de": {309            "long": "Prokura",310            "short": "Prokura"311          }312        },313        "name": "Jan Musterhuber",314        "start_date": "2015-07-28",315        "end_date": "2019-01-04",316        "birth_date": "1955-11-06",317        "name_parts": {318          "given": "Jan",319          "family": "Musterhuber",320          "maiden": null,321          "canonical_name": "Musterhuber, Jan",322          "previous_names": null323        },324        "location": {325          "home": {326            "city": "Probeingen"327          }328        },329        "organization_representation_scheme": {330          "latest": [331            "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."332          ],333          "history": [334            {335              "value": [336                "Ist nur ein Vorstandsmitglied bestellt, so vertritt es die Gesellschaft allein. Sind mehrere Vorstandsmitglieder bestellt, so wird die Gesellschaft durch zwei Vorstandsmitglieder oder durch ein Vorstandsmitglied gemeinsam mit einem Prokuristen vertreten."337              ],338              "effective_from": "2002-10-15",339              "effective_to": "2015-07-28"340            },341            {342              "value": [343                "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."344              ],345              "effective_from": "2015-07-28",346              "effective_to": null347            }348          ]349        },350        "role_representation_scheme": {351          "latest": [352            "Gesamtprokura gemeinsam mit einem anderen Prokuristen:"353          ],354          "history": [355            {356              "value": [357                "Gesamtprokura gemeinsam mit einem anderen Prokuristen:"358              ],359              "effective_from": "2015-07-28",360              "effective_to": "2019-01-04"361            }362          ]363        }364      },365      {366        "entity_id": "08ed5f967956831ca6588930fd2693ed",367        "label": "BOARD",368        "role": {369          "en": {370            "long": "Board Member",371            "short": "Board"372          },373          "de": {374            "long": "Vorstandsmitglied",375            "short": "Vorstand"376          }377        },378        "name": "Max Felix Mustermann",379        "start_date": "2002-10-15",380        "end_date": "2015-07-28",381        "birth_date": "1976-01-15",382        "name_parts": {383          "given": "Max Felix",384          "family": "Mustermann",385          "maiden": null,386          "canonical_name": "Mustermann, Max Felix",387          "previous_names": null388        },389        "location": {390          "home": {391            "city": "Musterheim"392          }393        },394        "organization_representation_scheme": {395          "latest": [396            "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."397          ],398          "history": [399            {400              "value": [401                "Ist nur ein Vorstandsmitglied bestellt, so vertritt es die Gesellschaft allein. Sind mehrere Vorstandsmitglieder bestellt, so wird die Gesellschaft durch zwei Vorstandsmitglieder oder durch ein Vorstandsmitglied gemeinsam mit einem Prokuristen vertreten."402              ],403              "effective_from": "2002-10-15",404              "effective_to": "2015-07-28"405            },406            {407              "value": [408                "Ist nur ein Geschäftsführer bestellt, so vertritt er die Gesellschaft allein. Sind mehrere Geschäftsführer bestellt, so wird die Gesellschaft durch zwei Geschäftsführer oder durch einen Geschäftsführer gemeinsam mit einem Prokuristen vertreten."409              ],410              "effective_from": "2015-07-28",411              "effective_to": null412            }413          ]414        },415        "role_representation_scheme": {416          "latest": [417            "einzelvertretungsberechtigt; mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen"418          ],419          "history": [420            {421              "value": [422                "einzelvertretungsberechtigt; mit der Befugnis, im Namen der Gesellschaft mit sich im eigenen Namen oder als Vertreter eines Dritten Rechtsgeschäfte abzuschließen"423              ],424              "effective_from": "2002-10-15",425              "effective_to": "2015-07-28"426            }427          ]428        }429      }430    ]431  },432  "meta": {433    "request_credit_cost": 7,434    "credits_remaining": 145435  }436}
200 · Respuesta de ejemplo: perfil de empresa de Hetzner Online GmbH con administración (fragmento)

El script compara nombre, estado, dirección, capital y administración con la última ejecución e imprime cada cambio. Ejecútalo, por ejemplo, una vez por semana como cron job.

Script de Python 
import json
import pathlib

import requests

API = "https://handelsregister.ai/api/v1/fetch-organization"
HEADERS = {"x-api-key": "TU_CLAVE_API", "Accept": "application/json"}
EMPRESAS = ["94eb910fef13f94585c48c263fa446d4"]  # los entity_ids de tus empresas
ESTADO = pathlib.Path("estado.json")


def snapshot(entity_id):
    response = requests.get(
        API,
        params={"q": entity_id, "feature": "related_persons"},
        headers=HEADERS,
        timeout=120,
    )
    response.raise_for_status()
    data = response.json()
    persons = (data.get("related_persons") or {}).get("current") or []
    return {
        "name": data.get("name"),
        "status": data.get("status"),
        "address": data.get("address"),
        "capital": (data.get("capital") or {}).get("current"),
        "persons": sorted(f'{p["name"]} ({p["label"]})' for p in persons),
    }


old = json.loads(ESTADO.read_text()) if ESTADO.exists() else {}
new = {entity_id: snapshot(entity_id) for entity_id in EMPRESAS}
for entity_id, now in new.items():
    before = old.get(entity_id)
    if before is None:
        continue
    for field, value in now.items():
        if before.get(field) != value:
            print(f"{now['name']}: {field} cambiado: {before.get(field)} -> {value}")
ESTADO.write_text(json.dumps(new, ensure_ascii=False, indent=2))

Cada ejecución cuesta hasta 7 créditos por empresa: los datos básicos y la administración, esta solo cuando la API encuentra personas. Para muchas empresas o intervalos cortos, Signals o Monitoring salen más baratos.

Buscar cambios con Signals

Las Signals son cambios del Handelsregister (Registro Mercantil) y de los anuncios de insolvencia, preparados como eventos uniformes. Filtras en todas las empresas por tema (topics) y periodo (from, to). 

curl -G "https://handelsregister.ai/api/v1/signals" \
  -H "x-api-key: TU_CLAVE_API" \
  --data-urlencode 'topics=CAPITAL_CHANGES' \
  --data-urlencode 'from=2026-10-26' \
  --data-urlencode 'to=2026-10-30'
1{2  "signals": [3    {4      "event": {5        "id": "3abb946f2d6030f1619ed833b226faed",6        "topic": "CAPITAL_CHANGES",7        "topic_name": {8          "de": "Kapitaländerungen",9          "en": "Capital changes"10        },11        "occurred_on": "2026-10-30",12        "announced_on": "2026-10-30",13        "date_basis": "REGISTER_ENTRY"14      },15      "organization": {16        "type": "ORGANIZATION",17        "entity_id": "c6b0c0721497f190aa5dfca1d4573c98",18        "current_profile": {19          "name": "Hans Hörner GmbH",20          "registration": {21            "register_type": "HRB",22            "register_number": "113000",23            "court": "München",24            "register_locality": "Munich",25            "registration_authority_id": "D2601",26            "register_entity_name": "München HRB 113000"27          },28          "legal_form": {29            "name": {30              "de": "Gesellschaft mit beschränkter Haftung"31            },32            "short": {33              "de": "GmbH"34            }35          },36          "seat": {37            "city": "Grafing"38          },39          "status": {40            "code": "ACTIVE"41          }42        }43      },44      "register_entry": {45        "entry_number": "4",46        "entry_date": "2026-10-30",47        "phase": "DECREASED",48        "description_text": "Herabsetzung des Stammkapitals um 25.000,00 EUR auf 25.000,00 EUR",49        "context": "PRIMARY",50        "flags": []51      },52      "source": {53        "kind": "COMMERCIAL_REGISTER"54      },55      "details": {56        "schema": "CAPITAL_CHANGE",57        "capital_kind": "SHARE_CAPITAL",58        "resulting_amount": {59          "amount": "25000.00",60          "currency": "EUR",61          "source_text": "25.000,00 EUR"62        },63        "change_amount": {64          "amount": "25000.00",65          "currency": "EUR",66          "source_text": "25.000,00 EUR"67        }68      }69    },70    {71      "event": {72        "id": "ba5eab558e65d2a4c3059b35e2d155a5",73        "topic": "CAPITAL_CHANGES",74        "topic_name": {75          "de": "Kapitaländerungen",76          "en": "Capital changes"77        },78        "occurred_on": "2026-10-30",79        "announced_on": "2026-10-30",80        "date_basis": "REGISTER_ENTRY"81      },82      "organization": {83        "type": "ORGANIZATION",84        "entity_id": "9bdf1b5c1ae812a39971e45be7d23bb5",85        "current_profile": {86          "name": "Communardo Technologies Group GmbH",87          "registration": {88            "register_type": "HRB",89            "register_number": "46202",90            "court": "Dresden",91            "register_locality": "Dresden",92            "registration_authority_id": "U1104",93            "register_entity_name": "Dresden HRB 46202"94          },95          "legal_form": {96            "name": {97              "de": "Gesellschaft mit beschränkter Haftung"98            },99            "short": {100              "de": "GmbH"101            }102          },103          "seat": {104            "city": "Dresden"105          },106          "status": {107            "code": "ACTIVE"108          }109        }110      },111      "register_entry": {112        "entry_number": "7",113        "entry_date": "2026-10-30",114        "phase": "INCREASED",115        "description_text": "Erhöhung des Stammkapitals um 761,00 EUR auf 32.326,00 EUR",116        "context": "PRIMARY",117        "flags": []118      },119      "source": {120        "kind": "COMMERCIAL_REGISTER"121      },122      "details": {123        "schema": "CAPITAL_CHANGE",124        "capital_kind": "SHARE_CAPITAL",125        "resulting_amount": {126          "amount": "32326.00",127          "currency": "EUR",128          "source_text": "32.326,00 EUR"129        },130        "change_amount": {131          "amount": "761.00",132          "currency": "EUR",133          "source_text": "761,00 EUR"134        }135      }136    },137    {138      "event": {139        "id": "666de98109b29e5270113942cee06f12",140        "topic": "CAPITAL_CHANGES",141        "topic_name": {142          "de": "Kapitaländerungen",143          "en": "Capital changes"144        },145        "occurred_on": "2026-10-29",146        "announced_on": "2026-10-29",147        "date_basis": "REGISTER_ENTRY"148      },149      "organization": {150        "type": "ORGANIZATION",151        "entity_id": "979610227990c4c5368c9356923080df",152        "current_profile": {153          "name": "Norlando GmbH",154          "registration": {155            "register_type": "HRB",156            "register_number": "25441",157            "court": "Bonn",158            "register_locality": "Bonn",159            "registration_authority_id": "R3201",160            "register_entity_name": "Bonn HRB 25441"161          },162          "legal_form": {163            "name": {164              "de": "Gesellschaft mit beschränkter Haftung"165            },166            "short": {167              "de": "GmbH"168            }169          },170          "seat": {171            "city": "Bonn"172          },173          "status": {174            "code": "ACTIVE"175          }176        }177      },178      "register_entry": {179        "entry_number": "2",180        "entry_date": "2026-10-29",181        "phase": "INCREASED",182        "description_text": "Erhöhung des Stammkapitals von 25.000,00 EUR um 75.000,00 EUR auf 100.000,00 EUR",183        "context": "PRIMARY",184        "flags": []185      },186      "source": {187        "kind": "COMMERCIAL_REGISTER"188      },189      "details": {190        "schema": "CAPITAL_CHANGE",191        "capital_kind": "SHARE_CAPITAL",192        "resulting_amount": {193          "amount": "100000.00",194          "currency": "EUR",195          "source_text": "100.000,00 EUR"196        },197        "change_amount": {198          "amount": "75000.00",199          "currency": "EUR",200          "source_text": "75.000,00 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"phase": "INCREASED",909        "description_text": "Erhöhung des Stammkapitals um 1,00 EUR auf 25.001,00 EUR",910        "context": "PRIMARY",911        "flags": []912      },913      "source": {914        "kind": "COMMERCIAL_REGISTER"915      },916      "details": {917        "schema": "CAPITAL_CHANGE",918        "capital_kind": "SHARE_CAPITAL",919        "resulting_amount": {920          "amount": "25001.00",921          "currency": "EUR",922          "source_text": "25.001,00 EUR"923        },924        "change_amount": {925          "amount": "1.00",926          "currency": "EUR",927          "source_text": "1,00 EUR"928        }929      }930    },931    {932      "event": {933        "id": "3595fab3bb5f62b05e1a5ab0efc9131f",934        "topic": "CAPITAL_CHANGES",935        "topic_name": {936          "de": "Kapitaländerungen",937          "en": "Capital changes"938        },939        "occurred_on": "2026-10-28",940        "announced_on": "2026-10-28",941        "date_basis": "REGISTER_ENTRY"942      },943      "organization": {944        "type": "ORGANIZATION",945        "entity_id": "e5371b14ba0875ee3885ad6f4517907c",946        "current_profile": {947          "name": "Kronos MidCo GmbH",948          "registration": {949            "register_type": "HRB",950            "register_number": "199097",951            "court": "Hamburg",952            "register_locality": "Hamburg",953            "registration_authority_id": "K1101",954            "register_entity_name": "Hamburg HRB 199097"955          },956          "legal_form": {957            "short": {958              "de": "GmbH"959            }960          },961          "seat": {962            "city": "Hamburg"963          },964          "status": {965            "code": "ACTIVE"966          }967        }968      },969      "register_entry": {970        "entry_number": "6",971        "entry_date": "2026-10-28",972        "phase": "INCREASED",973        "description_text": "Erhöhung des Stammkapitals um 7.751,00 EUR auf 32.751,00 EUR.",974        "context": "PRIMARY",975        "flags": []976      },977      "source": {978        "kind": "COMMERCIAL_REGISTER"979      },980      "details": {981        "schema": "CAPITAL_CHANGE",982        "capital_kind": "SHARE_CAPITAL",983        "resulting_amount": {984          "amount": "32751.00",985          "currency": "EUR",986          "source_text": "32.751,00 EUR"987        },988        "change_amount": {989          "amount": "7751.00",990          "currency": "EUR",991          "source_text": "7.751,00 EUR"992        }993      }994    },995    {996      "event": {997        "id": "110abb752ed50097b1b426539f1dd056",998        "topic": "CAPITAL_CHANGES",999        "topic_name": {1000          "de": "Kapitaländerungen",1001          "en": "Capital changes"1002        },1003        "occurred_on": "2026-10-28",1004        "announced_on": "2026-10-28",1005        "date_basis": "REGISTER_ENTRY"1006      },1007      "organization": {1008        "type": "ORGANIZATION",1009        "entity_id": "f97e7a325b4f85b8f37dc7024351c93c",1010        "current_profile": {1011          "name": "CPOT GmbH",1012          "registration": {1013            "register_type": "HRB",1014            "register_number": "128833",1015            "court": "Frankfurt am Main",1016            "register_locality": "Frankfurt",1017            "registration_authority_id": "M1201",1018            "register_entity_name": "Frankfurt am Main HRB 128833"1019          },1020          "legal_form": {1021            "name": {1022              "de": "Gesellschaft mit beschränkter Haftung"1023            },1024            "short": {1025              "de": "GmbH"1026            }1027          },1028          "seat": {1029            "city": "Frankfurt am Main"1030          },1031          "status": {1032            "code": "ACTIVE"1033          }1034        }1035      },1036      "register_entry": {1037        "entry_number": "3",1038        "entry_date": "2026-10-28",1039        "phase": "INCREASED",1040        "description_text": "Erhöhung des Stammkapitals um 24.000,00 EUR auf 25.000,00 EUR",1041        "context": "PRIMARY",1042        "flags": []1043      },1044      "source": {1045        "kind": "COMMERCIAL_REGISTER"1046      },1047      "details": {1048        "schema": "CAPITAL_CHANGE",1049        "capital_kind": "SHARE_CAPITAL",1050        "resulting_amount": {1051          "amount": "25000.00",1052          "currency": "EUR",1053          "source_text": "25.000,00 EUR"1054        },1055        "change_amount": {1056          "amount": "24000.00",1057          "currency": "EUR",1058          "source_text": "24.000,00 EUR"1059        }1060      }1061    },1062    {1063      "event": {1064        "id": "4563a35c76e510cdd2a68f98d935fcbb",1065        "topic": "CAPITAL_CHANGES",1066        "topic_name": {1067          "de": "Kapitaländerungen",1068          "en": "Capital changes"1069        },1070        "occurred_on": "2026-10-28",1071        "announced_on": "2026-10-28",1072        "date_basis": "REGISTER_ENTRY"1073      },1074      "organization": {1075        "type": "ORGANIZATION",1076        "entity_id": "3199feaf239ac1b9a5e45f6ea45a3c61",1077        "current_profile": {1078          "name": "Brave2change UG (haftungsbeschränkt)",1079          "registration": {1080            "register_type": "HRB",1081            "register_number": "270781",1082            "court": "München",1083            "register_locality": "Munich",1084            "registration_authority_id": "D2601",1085            "register_entity_name": "München HRB 270781"1086          },1087          "legal_form": {1088            "name": {1089              "de": "Unternehmergesellschaft (haftungsbeschränkt)"1090            },1091            "short": {1092              "de": "UG (haftungsbeschränkt)"1093            }1094          },1095          "seat": {1096            "city": "München"1097          },1098          "status": {1099            "code": "ACTIVE"1100          }1101        }1102      },1103      "register_entry": {1104        "entry_number": "2",1105        "entry_date": "2026-10-28",1106        "phase": "INCREASED",1107        "description_text": "Erhöhung des Stammkapitals um 1.400,- EUR auf 2.400,00 EUR",1108        "context": "PRIMARY",1109        "flags": []1110      },1111      "source": {1112        "kind": "COMMERCIAL_REGISTER"1113      },1114      "details": {1115        "schema": "CAPITAL_CHANGE",1116        "capital_kind": "SHARE_CAPITAL",1117        "resulting_amount": {1118          "amount": "2400.00",1119          "currency": "EUR",1120          "source_text": "2.400,00 EUR"1121        },1122        "change_amount": {1123          "amount": "1400.00",1124          "currency": "EUR",1125          "source_text": "1.400,- EUR"1126        }1127      }1128    },1129    {1130      "event": {1131        "id": "f810560be252c43dc031564fdb8fe653",1132        "topic": "CAPITAL_CHANGES",1133        "topic_name": {1134          "de": "Kapitaländerungen",1135          "en": "Capital changes"1136        },1137        "occurred_on": "2026-10-28",1138        "announced_on": "2026-10-28",1139        "date_basis": "REGISTER_ENTRY"1140      },1141      "organization": {1142        "type": "ORGANIZATION",1143        "entity_id": "d45fcce5200b18bf2f377c6f1a785897",1144        "current_profile": {1145          "name": "Benfele Ritter Ventures UG (haftungsbeschränkt)",1146          "registration": {1147            "register_type": "HRB",1148            "register_number": "307694",1149            "court": "München",1150            "register_locality": "Munich",1151            "registration_authority_id": "D2601",1152            "register_entity_name": "München HRB 307694"1153          },1154          "legal_form": {1155            "name": {1156              "de": "Unternehmergesellschaft (haftungsbeschränkt)"1157            },1158            "short": {1159              "de": "UG (haftungsbeschränkt)"1160            }1161          },1162          "seat": {1163            "city": "Unterföhring"1164          },1165          "status": {1166            "code": "ACTIVE"1167          }1168        }1169      },1170      "register_entry": {1171        "entry_number": "2",1172        "entry_date": "2026-10-28",1173        "phase": "INCREASED",1174        "description_text": "Erhöhung des Stammkapitals um 100,00 EUR auf 1.100,00 EUR",1175        "context": "PRIMARY",1176        "flags": []1177      },1178      "source": {1179        "kind": "COMMERCIAL_REGISTER"1180      },1181      "details": {1182        "schema": "CAPITAL_CHANGE",1183        "capital_kind": "SHARE_CAPITAL",1184        "resulting_amount": {1185          "amount": "1100.00",1186          "currency": "EUR",1187          "source_text": "1.100,00 EUR"1188        },1189        "change_amount": {1190          "amount": "100.00",1191          "currency": "EUR",1192          "source_text": "100,00 EUR"1193        }1194      }1195    },1196    {1197      "event": {1198        "id": "6d08eadf8c4fc9495d33af7c12d28f75",1199        "topic": "CAPITAL_CHANGES",1200        "topic_name": {1201          "de": "Kapitaländerungen",1202          "en": "Capital changes"1203        },1204        "occurred_on": "2026-10-27",1205        "announced_on": "2026-10-27",1206        "date_basis": "REGISTER_ENTRY"1207      },1208      "organization": {1209        "type": "ORGANIZATION",1210        "entity_id": "35dd2dbced656dd36cd55871f0b33a5e",1211        "current_profile": {1212          "name": "TÜNKERS-NICKEL Systeme GmbH",1213          "registration": {1214            "register_type": "HRB",1215            "register_number": "13742",1216            "court": "Siegburg",1217            "register_locality": "Siegburg",1218            "registration_authority_id": "R3208",1219            "register_entity_name": "Siegburg HRB 13742"1220          },1221          "legal_form": {1222            "name": {1223              "de": "Gesellschaft mit beschränkter Haftung"1224            },1225            "short": {1226              "de": "GmbH"1227            }1228          },1229          "seat": {1230            "city": "Troisdorf-Spich"1231          },1232          "status": {1233            "code": "ACTIVE"1234          }1235        }1236      },1237      "register_entry": {1238        "entry_number": "5",1239        "entry_date": "2026-10-27",1240        "phase": "INCREASED",1241        "description_text": "Erhöhung des Stammkapitals von 100.000,00 EUR um 112.500,00 EUR auf 212.500,00 EUR",1242        "context": "PRIMARY",1243        "flags": []1244      },1245      "source": {1246        "kind": "COMMERCIAL_REGISTER"1247      },1248      "details": {1249        "schema": "CAPITAL_CHANGE",1250        "capital_kind": "SHARE_CAPITAL",1251        "resulting_amount": {1252          "amount": "212500.00",1253          "currency": "EUR",1254          "source_text": "212.500,00 EUR"1255        },1256        "change_amount": {1257          "amount": "112500.00",1258          "currency": "EUR",1259          "source_text": "112.500,00 EUR"1260        }1261      }1262    },1263    {1264      "event": {1265        "id": "4851a8e6a7864e9efa3b7885b541897b",1266        "topic": "CAPITAL_CHANGES",1267        "topic_name": {1268          "de": "Kapitaländerungen",1269          "en": "Capital changes"1270        },1271        "occurred_on": "2026-10-27",1272        "announced_on": "2026-10-27",1273        "date_basis": "REGISTER_ENTRY"1274      },1275      "organization": {1276        "type": "ORGANIZATION",1277        "entity_id": "559c21619a8dfe0fbe549aec884afdad",1278        "current_profile": {1279          "name": "Wildkost und Feinfleisch JFG GmbH",1280          "registration": {1281            "register_type": "HRB",1282            "register_number": "262241",1283            "court": "Charlottenburg (Berlin)",1284            "register_locality": "Berlin",1285            "registration_authority_id": "F1103",1286            "register_entity_name": "Charlottenburg (Berlin) HRB 262241"1287          },1288          "legal_form": {1289            "name": {1290              "de": "Gesellschaft mit beschränkter Haftung"1291            },1292            "short": {1293              "de": "GmbH"1294            }1295          },1296          "seat": {1297            "city": "Berlin"1298          },1299          "status": {1300            "code": "ACTIVE"1301          }1302        }1303      },1304      "register_entry": {1305        "entry_number": "2",1306        "entry_date": "2026-10-27",1307        "phase": "INCREASED",1308        "description_text": "Stammkapital um 24.500,00 EUR auf 25.000,00 EUR erhöht.",1309        "context": "PRIMARY",1310        "flags": []1311      },1312      "source": {1313        "kind": "COMMERCIAL_REGISTER"1314      },1315      "details": {1316        "schema": "CAPITAL_CHANGE",1317        "capital_kind": "SHARE_CAPITAL",1318        "resulting_amount": {1319          "amount": "25000.00",1320          "currency": "EUR",1321          "source_text": "25.000,00 EUR"1322        },1323        "change_amount": {1324          "amount": "24500.00",1325          "currency": "EUR",1326          "source_text": "24.500,00 EUR"1327        }1328      }1329    }1330  ],1331  "pagination": {1332    "mode": "CURSOR",1333    "limit": 20,1334    "returned": 20,1335    "has_more": true,1336    "next_cursor": "sgc1.eyJiIjoiYjdlYTk2ODM1YjQxIiwiZyI6eyJnOGM2YzZkMDYiOnsiYyI6ImV5Sm1Jam9pTlROaU5EQmxPRFppT0RnelpqSXdZeUlzSW1sa0lqb2lObUZsTlRReU1UQXdPR001TVdKbU1XVXlNREF5TXpVMklpd2lhV1IwSWpvaWIySnFaV04wYVdRaUxDSnlJam9pTWpBeU5pMHdOeTB5T1M0eUlpd2ljeUk2SWpFdU1TSXNJbk5qSWpvaU5HWmxabVk0TVRSaU5tWTBNekF4WVNJc0luTmtJam9pTWpBeU5pMHhNQzB5TjFRd01Eb3dNRG93TUNJc0luTnZJam9pWVc1dWIzVnVZMlZ0Wlc1MFgyUmhkR1VpTENKMElqb3hOemt6TlRJeE9URXpmUS52WHRYZTljSjQ1THp4U25VRnR3cEtBIiwibiI6MCwibCI6bnVsbCwieCI6ZmFsc2V9fX0"1337  },1338  "filters": {1339    "topics": [1340      "CAPITAL_CHANGES"1341    ],1342    "organization_ids": [],1343    "from": "2026-10-26",1344    "to": "2026-10-30"1345  },1346  "warnings": [],1347  "meta": {1348    "generated_at": "2026-11-01T08:31:53+00:00",1349    "profiles_resolved_at": "2026-11-01T08:31:53+00:00",1350    "schema_version": "1.0",1351    "request_id": "req_01m6b3s49jw8hfrc1atz8rk0f2",1352    "request_credit_cost": 20,1353    "credits_remaining": 1451354  }1355}
200 · Respuesta de ejemplo: cambios de capital anunciados del 26 al 30 de octubre de 2026 (fragmento)

Una página contiene hasta 20 Signals, las más recientes primero, y cuesta 20 créditos. Si hay más, pagination.next_cursor contiene un puntero a la página siguiente. Pásalo de vuelta como cursor con los mismos filtros.

from y to se refieren a la fecha del anuncio (announced_on). El propio evento (occurred_on) puede ser anterior, por ejemplo el acuerdo de una fusión.

Para empresas concretas, pasa hasta 5 entity_ids en organization_ids. Para una sincronización diaria, pide los últimos días y sigue paginando hasta que has_more sea false.

Una señal puede aparecer algo más tarde que su anuncio y salir en varias páginas. Así que pide periodos solapados y elimina duplicados por event.id.

Vigilar empresas concretas con Monitoring

Un monitor comprueba una empresa en busca de nuevas Signals cada 1 a 30 días. Enviamos cada señal nueva como webhook firmado a tu endpoint de webhook. Así lo configuras:

  1. Crea un endpoint de webhook: en la aplicación web, en Monitoring, o a través de la API con POST /v1/account/webhook-endpoints y los campos name y url (solo HTTPS). Esta solicitud necesita el admin token de Cuenta › Claves API en el header Authorization: Bearer …. La clave API no basta para esto. La respuesta contiene el id del endpoint (wep_…) y el secreto de firma, que solo mostramos una vez.
  2. Verifica el endpoint con POST /v1/account/webhook-endpoints/{id}/verify. Enviamos entonces un mensaje de tipo endpoint.verification. Tu endpoint responde en 15 segundos con 2xx y devuelve data.challenge en el header webhook-verification. Solo entonces recibe entregas.
  3. Crea el monitor, con entity_id, poll_interval_days y el id del paso 1 en endpoint_ids.
cURL 
curl -X POST "https://handelsregister.ai/api/v1/account/monitors" \
  -H "x-api-key: TU_CLAVE_API" \
  -H "Idempotency-Key: monitor-hetzner-1" \
  -H "Content-Type: application/json" \
  -d '{
    "entity_id": "94eb910fef13f94585c48c263fa446d4",
    "label": "Hetzner Online GmbH",
    "poll_interval_days": 7,
    "endpoint_ids": ["wep_TU_ENDPOINT_ID"]
  }'

Las solicitudes de escritura a monitores necesitan un Idempotency-Key. Si repites una con la misma clave, no se crea un segundo monitor.

Crear un monitor es gratis. Primero el monitor marca como conocidas las Signals de los últimos días, sin enviarlas. Después cobra el precio del primer ciclo de 30 días y hace su primera comprobación al momento.

Costes y límites
Qué Créditos
Monitor comprobado cada día, durante 30 días 50
Monitor comprobado cada 3 días, durante 30 días 40
Monitor comprobado cada 7 días, durante 30 días 20
Monitor comprobado cada 30 días, durante 30 días 10
Cada comprobación correcta adicional en el periodo +2

Límite: 30 solicitudes por minuto. Crear, modificar y eliminar: 10 por minuto.

Puedes preguntar de antemano, gratis, lo que cuesta un calendario: 

curl -G "https://handelsregister.ai/api/v1/account/monitoring/pricing" \
  -H "x-api-key: TU_CLAVE_API" \
  --data-urlencode 'poll_interval_days=7'
1{2  "pricing": {3    "policy_version": "2026-08.v2",4    "credits_per_run": 2,5    "cycle_minimum_credits": 20,6    "included_runs": 5,7    "cycle_days": 30,8    "estimated_runs": 5,9    "estimated_credits": 2010  },11  "entitled": true,12  "meta": {13    "request_credit_cost": 0,14    "credits_remaining": 14515  }16}
200 · Respuesta de ejemplo: precio de una comprobación cada siete días

Pausar, reanudar, cambiar el calendario y eliminar se describen en account/monitors.

Recibir y verificar webhooks

Cada entrega es un POST con JSON. Al verificar, enviamos un mensaje con el type endpoint.verification. Responde con 2xx y pon en el header webhook-verification el valor de data.challenge. Para una señal nueva, type es organization.signal.detected, y data.signal tiene el mismo formato que una entrada de signals.

Cada entrega contiene tres headers:

Campo
Campo Significado
webhook-id Identificador del mensaje, el mismo en los reintentos. Úsalo para detectar duplicados.
webhook-timestamp Momento de este intento de entrega en segundos Unix.
webhook-signature Una o varias firmas de la forma v1,…, separadas por espacios.

La firma sigue el estándar abierto “Standard Webhooks”: HMAC-SHA256 sobre webhook-id.webhook-timestamp.body. La clave es la parte del secreto tras whsec_, decodificada en Base64. Verifica la firma con el body sin modificar antes de procesarlo. 

import base64
import hashlib
import hmac
import time


def verify_webhook(secret: str, headers: dict, body: bytes) -> bool:
    """Comprueba la firma de una entrega de handelsregister.ai."""
    msg_id = headers["webhook-id"]
    timestamp = headers["webhook-timestamp"]
    if abs(time.time() - int(timestamp)) > 5 * 60:
        return False  # más de cinco minutos de antigüedad o en el futuro
    key = base64.b64decode(secret.removeprefix("whsec_"))
    signed = f"{msg_id}.{timestamp}.".encode() + body
    expected = base64.b64encode(hmac.new(key, signed, hashlib.sha256).digest()).decode()
    for candidate in headers["webhook-signature"].split(" "):
        version, _, signature = candidate.partition(",")
        if version == "v1" and hmac.compare_digest(signature, expected):
            return True
    return False

Responde en 15 segundos con 2xx y procesa después. Sin 2xx, reintentamos la entrega a intervalos crecientes durante unos tres días. Tras una rotación del secreto, los mensajes llevan ambas firmas durante siete días.

Las entregas, los reintentos y todos los campos se describen en account/webhook-endpoints.

Watchlist y feeds

La watchlist es el camino sin servidor propio. En la aplicación web, en Monitoring, sigues una empresa con un clic. Sin monitor puedes seguir hasta 15 empresas. Las empresas con monitor están automáticamente en la watchlist.

La watchlist muestra las Signals de tus empresas de los últimos doce meses, las más recientes primero. Con “Generar URL del feed” las obtienes como feed RSS o Atom para cualquier lector de feeds.

El feed se actualiza como máximo una vez por hora, por mucho que tu lector lo consulte. Cada actualización cuesta 20 créditos. Si tu saldo no alcanza, el feed muestra el último estado y vuelve a actualizarse en cuanto tengas créditos.

La URL contiene una clave secreta y solo se muestra una vez. Si la renuevas, la antigua deja de funcionar al instante. Con ?lang=en, el feed llega en inglés.

Los mismos datos los obtienes a través de la API con Signals y organization_ids.

Siguiente

signals Todos los parámetros, temas y campos de Signals. account/monitors Crear, cambiar, pausar y eliminar monitores. account/webhook-endpoints Endpoints de webhook, payload y entregas. Anuncios y eventos Qué abarca cada tema de Signals.