{"openapi":"3.0.3","info":{"title":"Gnist Context — Brønnøysund (Brreg)","description":"Norwegian business registry — company details, roles, and financial filings.\n\n- **MCP endpoint:** `https://context.gnist.ai/mcp/brreg/`\n- **Toolkit page:** `/toolkits/brreg`\n- **Full API spec:** `/api/openapi.json`\n- **Get an API key:** `/signup`","version":"1.0.0","contact":{"name":"GnistAI","url":"https://gnist.ai"}},"servers":[{"url":"https://context.gnist.ai","description":"Production"}],"paths":{"/rest/brreg/lookup_brreg_company":{"post":{"tags":["Legal"],"summary":"lookup_brreg_company","description":"Look up a Norwegian company by its 9-digit organisation number.\n\nReturns full company record including legal form, industry code, address,\nemployee count, registration date, and VAT/bankruptcy status.\n\nArgs:\n    org_number: Norwegian org number — 9 digits, with or without spaces/dashes\n                (e.g. \"923609016\", \"923 609 016\").\n\nReturns:\n    Company record, or {\"error\": \"not_found\"} if the org number is unknown.","operationId":"brreg_lookup_brreg_company","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"org_number":{"description":"Norwegian org number — 9 digits, with or without spaces/dashes (e.g. \"923609016\", \"923 609 016\").","type":"string"}},"required":["org_number"],"type":"object"}}}}}},"/rest/brreg/search_brreg_companies":{"post":{"tags":["Legal"],"summary":"search_brreg_companies","description":"Search the Norwegian Business Registry by name and/or attributes.\n\nAt least one filter parameter must be provided.\n\nArgs:\n    name: Company name or partial name to search for (case-insensitive).\n    municipality_code: 4-digit Norwegian municipality code (kommunenummer),\n                       e.g. \"0301\" for Oslo.\n    industry_code: NACE industry code, e.g. \"62.010\" for software development.\n    legal_form: Legal form code, e.g. \"AS\" (private limited), \"ASA\" (public limited),\n                \"ENK\" (sole trader), \"DA\" (general partnership).\n    max_results: Maximum number of results to return (1–50, default 10).\n\nReturns:\n    Object with count and list of matching company records.","operationId":"brreg_search_brreg_companies","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":false,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"name":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Company name or partial name to search for (case-insensitive)."},"municipality_code":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"4-digit Norwegian municipality code (kommunenummer), e.g. \"0301\" for Oslo."},"industry_code":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"NACE industry code, e.g. \"62.010\" for software development."},"legal_form":{"anyOf":[{"type":"string"},{"type":"null"}],"default":null,"description":"Legal form code, e.g. \"AS\" (private limited), \"ASA\" (public limited), \"ENK\" (sole trader), \"DA\" (general partnership)."},"max_results":{"default":10,"description":"Maximum number of results to return (1–50, default 10).","type":"integer"}},"type":"object"}}}}}},"/rest/brreg/get_brreg_company_roles":{"post":{"tags":["Legal"],"summary":"get_brreg_company_roles","description":"Get the leadership roles for a Norwegian company.\n\nReturns board members, CEO, signatories, and other registered roles\nwith person names and role types.\n\nArgs:\n    org_number: Norwegian org number — 9 digits, with or without spaces/dashes.\n\nReturns:\n    Object with count and list of roles, each with role_type, person_name,\n    birth_year (if available), and entity details for corporate roles.","operationId":"brreg_get_brreg_company_roles","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"org_number":{"description":"Norwegian org number — 9 digits, with or without spaces/dashes.","type":"string"}},"required":["org_number"],"type":"object"}}}}}},"/rest/brreg/get_brreg_subsidiaries":{"post":{"tags":["Legal"],"summary":"get_brreg_subsidiaries","description":"Get direct subsidiaries of a Norwegian company.\n\nFinds all companies registered with the given org number as their\nparent entity (overordnetEnhet).\n\nArgs:\n    org_number: Norwegian org number of the parent company.\n    max_results: Maximum number of subsidiaries to return (1–50, default 50).\n\nReturns:\n    Object with count and list of subsidiary company records.","operationId":"brreg_get_brreg_subsidiaries","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"org_number":{"description":"Norwegian org number of the parent company.","type":"string"},"max_results":{"default":50,"description":"Maximum number of subsidiaries to return (1–50, default 50).","type":"integer"}},"required":["org_number"],"type":"object"}}}}}},"/rest/brreg/get_brreg_recent_changes":{"post":{"tags":["Legal"],"summary":"get_brreg_recent_changes","description":"Get recent changes to monitored Norwegian companies.\n\nReturns field-level diffs (before/after values) for companies whose\nregistry data changed since the given timestamp. Only companies on the\nconfigured watchlist are tracked.\n\nArgs:\n    since: ISO 8601 timestamp — return changes captured after this time.\n    limit: Maximum number of changes to return (1–100, default 50).\n\nReturns:\n    Object with count and list of change records, each containing\n    entity_id, changed_at timestamp, and a list of field changes\n    with before/after values.","operationId":"brreg_get_brreg_recent_changes","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"since":{"description":"ISO 8601 timestamp — return changes captured after this time (e.g. \"2026-04-01T00:00:00Z\").","type":"string"},"limit":{"default":50,"description":"Maximum number of changes to return (1–100, default 50).","maximum":100,"minimum":1,"type":"integer"}},"required":["since"],"type":"object"}}}}}},"/rest/brreg/report_feedback":{"post":{"tags":["Legal"],"summary":"report_feedback","description":"Report a bug, feature request, or general feedback for this data source.\n\nUse this when something doesn't work as expected, when you'd like\na new feature, or when you have suggestions for improvement.\n\nArgs:\n    feedback: Describe the issue or suggestion.\n    feedback_type: One of 'bug', 'feature_request', or 'general'.","operationId":"brreg_report_feedback","responses":{"200":{"description":"Successful tool call","content":{"application/json":{"schema":{"type":"object"}}}},"404":{"description":"Server or tool not found"},"500":{"description":"Tool execution error"}},"security":[{"ApiKeyHeader":[]},{"ApiKeyQuery":[]}],"requestBody":{"required":true,"content":{"application/json":{"schema":{"additionalProperties":false,"properties":{"feedback":{"type":"string"},"feedback_type":{"default":"general","type":"string"}},"required":["feedback"],"type":"object"}}}}}}},"tags":[{"name":"Legal","description":"Data sources: Legal"}],"components":{"securitySchemes":{"ApiKeyHeader":{"type":"apiKey","in":"header","name":"gnist-api-key","description":"API key passed via request header."},"ApiKeyQuery":{"type":"apiKey","in":"query","name":"gnist_api_key","description":"API key passed via query parameter."}}}}