aid: thecompaniesapi url: https://raw.githubusercontent.com/api-evangelist/thecompaniesapi/refs/heads/main/apis.yml name: The Companies API kind: company description: The Companies API is a company data and enrichment platform offering programmatic access to firmographic, technographic, and web-intelligence data on 50M+ companies. Its REST API (base https://api.thecompaniesapi.com, all resources under /v2) covers company search and segmentation, company enrichment by domain, email, or social profile, similar-company lookup, industry and technology reference data, location reference data, saved lists, and asynchronous bulk actions. Requests are authenticated with an API token passed in the Authorization header, billing is credit-based, and the full OpenAPI 3.1 description is published at /v2/openapi. image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg tags: - Company Data - Data Enrichment - Firmographics - Web Intelligence - B2B Data - Reference Data - Company Search created: '2026-07-11' modified: '2026-07-11' specificationVersion: '0.19' apis: - aid: thecompaniesapi:thecompaniesapi-company-search-api name: The Companies API Company Search API tags: - Company Search - Firmographics - B2B Data - Segmentation image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Search and segment the 50M+ company database with structured segmentation queries, natural-language prompts, or company name. Endpoints include GET/POST /v2/companies (search by segmentation), GET /v2/companies/by-name, GET /v2/companies/by-prompt, GET/POST /v2/companies/count (count matches), and GET /v2/companies/similar (lookalike companies from one or more domains). - aid: thecompaniesapi:thecompaniesapi-company-enrichment-api name: The Companies API Company Enrichment API tags: - Data Enrichment - Company Data - Web Intelligence - Firmographics image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Retrieve 100+ data points on a single company by its domain, a work email, or a social-media profile. Endpoints include GET /v2/companies/{domain}, GET /v2/companies/by-email, GET /v2/companies/by-social, GET /v2/companies/{domain}/context (full company context), GET /v2/companies/{domain}/email-patterns, and POST /v2/companies/{domain}/ask (ask a natural-language question about a company). - aid: thecompaniesapi:thecompaniesapi-company-analytics-api name: The Companies API Company Analytics API tags: - Analytics - Firmographics - B2B Data image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Aggregate analytics over search segmentations and saved lists - market sizing and distribution across firmographic attributes. Endpoints include GET /v2/companies/analytics and POST /v2/companies/analytics/export. - aid: thecompaniesapi:thecompaniesapi-industries-api name: The Companies API Industries API tags: - Industries - Reference Data - Classification image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Reference data for industry classification used across the company dataset. Endpoints include GET /v2/industries (search industries) and GET /v2/industries/similar (find related industries from one or more inputs) for building and normalizing segmentation filters. - aid: thecompaniesapi:thecompaniesapi-technologies-api name: The Companies API Technologies API tags: - Technographics - Reference Data - Web Intelligence image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Reference data for the technologies (technographics) detected on company websites, used to build technology-based segments. Endpoint GET /v2/technologies searches the technology catalog. - aid: thecompaniesapi:thecompaniesapi-locations-api name: The Companies API Locations API tags: - Reference Data - Locations - Geographic image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Geographic reference data for normalizing and filtering companies by location. Endpoints include GET /v2/locations/cities, /v2/locations/counties, /v2/locations/states, /v2/locations/countries, and /v2/locations/continents. - aid: thecompaniesapi:thecompaniesapi-lists-api name: The Companies API Lists API tags: - Lists - Data Management - B2B Data image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Create and manage saved lists of companies for building and maintaining target datasets. Endpoints include GET/POST /v2/lists, PATCH/DELETE /v2/lists/{listId}, GET/POST /v2/lists/{listId}/companies, PATCH /v2/lists/{listId}/companies/toggle, and GET /v2/lists/{listId}/companies/{domain}. - aid: thecompaniesapi:thecompaniesapi-actions-api name: The Companies API Actions API tags: - Async - Bulk Enrichment - Jobs image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Queue, estimate, and track asynchronous jobs for bulk enrichment and search workloads. Endpoints include GET /v2/actions (list/filter jobs), POST /v2/actions (request or estimate a job), and POST /v2/actions/{actionId}/retry. - aid: thecompaniesapi:thecompaniesapi-job-titles-api name: The Companies API Job Titles Enrichment API tags: - Data Enrichment - Job Titles - Reference Data image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg humanURL: https://www.thecompaniesapi.com/api baseURL: https://api.thecompaniesapi.com/v2 properties: - url: https://www.thecompaniesapi.com/api type: Documentation - url: https://thecompaniesapi.dev/api type: APIReference - url: openapi/thecompaniesapi-openapi.yml type: OpenAPI description: Normalize and enrich raw job titles into structured seniority and department signals. Endpoint GET /v2/job-titles/enrich. common: - type: AgenticAccess url: agentic-access/thecompaniesapi-agentic-access.yml - type: Authentication url: authentication/thecompaniesapi-authentication.yml - type: GitHubOrganization url: https://github.com/thecompaniesapi - type: LinkedIn url: https://www.linkedin.com/company/thecompaniesapi - type: Website url: https://www.thecompaniesapi.com - type: Documentation url: https://www.thecompaniesapi.com/api - type: Plans url: plans/thecompaniesapi-plans-pricing.yml - type: RateLimits url: rate-limits/thecompaniesapi-rate-limits.yml - type: FinOps url: finops/thecompaniesapi-finops.yml maintainers: - FN: Kin Lane email: kin@apievangelist.com