# Corpo API > Verify any company from official registers with one API. Corpo API verifies any company against official registers over a REST API and a hosted MCP server. A verified company costs $0.01 after the 100 free starter calls, and search and coverage are free. Every page below is also served as clean markdown at the same URL with .md appended. ## Agent resources - [Agent setup](https://corpoapi.com/agents.md): How a coding agent starts with Corpo API: get a key, make the first call, connect the MCP server, and read the spec. - [OpenAPI 3.1 spec](https://docs.corpoapi.com/openapi.json): the machine-readable contract. - [MCP server card](https://corpoapi.com/.well-known/mcp/server-card.json): server name, transport and auth. - [API catalog](https://corpoapi.com/.well-known/api-catalog): RFC 9727 linkset naming the API, its spec, docs and status. - [llms.txt](https://corpoapi.com/llms.txt): this file. - Hosted MCP endpoint: https://mcp.corpoapi.com/mcp (Streamable HTTP), tools: search_companies, get_company, list_officers, verify_company, verify_companies_batch, check_vat, list_coverage, get_usage. ## Product - [Verify any company from official registers](https://corpoapi.com/index.md): Verify any company from official registers with one API. - [MCP server](https://corpoapi.com/mcp.md): A hosted Model Context Protocol server for Corpo API. Connect Claude, Cursor or ChatGPT and let an agent search and verify companies with the same API key. - [Contact](https://corpoapi.com/contact.md): Get in touch with Corpo API. ## Pricing - [Pricing](https://corpoapi.com/pricing.md): 100 free calls to get started, then $0.01 per verified company. No subscription. ## Endpoints - [Endpoints](https://corpoapi.com/endpoints.md): Verify any company from official registers with one API. - [Batch verify](https://corpoapi.com/endpoints/batch-verify.md): Verify up to 100 companies in one synchronous call, with per-item results and errors. - [Company profile](https://corpoapi.com/endpoints/company.md): Fetch one company's record from an official register: name, status, legal form, registered address, identifiers and activity. - [Company officers](https://corpoapi.com/endpoints/officers.md): List officers a register publishes, name, role, and appointment dates, with records sourced from the register's own officer table. - [Company search](https://corpoapi.com/endpoints/search.md): Find a company by name or registry number within a jurisdiction, with fuzzy matching that tolerates accents and messy input. - [Company verification](https://corpoapi.com/endpoints/verify.md): Check a company against the register and get a verdict: verified, partial or mismatch, with a per-check breakdown. ## Solutions - [Solutions](https://corpoapi.com/solutions.md): Verify any company from official registers with one API. - [Company data enrichment](https://corpoapi.com/solutions/company-data.md): Enrich CRM and database records with official company data and fill firmographics like legal name, status, address and identifiers. - [Find a company](https://corpoapi.com/solutions/company-search.md): Search official registers by name or number and resolve a company to the entity behind it. - [Directors and officers](https://corpoapi.com/solutions/director-search.md): Directors and officers with roles and appointment dates, taken from the register. - [Know your business (KYB)](https://corpoapi.com/solutions/kyb.md): Run the entity step of KYB against official registers: confirm a business exists, is active and matches the details on file. - [Monitor a company book](https://corpoapi.com/solutions/monitoring.md): Re-verify a book of companies on a schedule and flag the ones that changed. - [Supplier onboarding](https://corpoapi.com/solutions/supplier-onboarding.md): Check a supplier's registered entity, status and officers before you issue the first purchase order. - [Verify a company](https://corpoapi.com/solutions/verify-company.md): Check a name, number, status and address against the official register and get a clear verdict. ## Industries - [Industries](https://corpoapi.com/industries.md): Verify any company from official registers with one API. - [AI agents](https://corpoapi.com/industries/ai-agents.md): Give an agent company data through our hosted MCP server, with the same tools as the REST API. - [Fintech](https://corpoapi.com/industries/fintech.md): Run the entity step of onboarding and its later reviews with one API, on register data rather than a reseller. - [Marketplaces](https://corpoapi.com/industries/marketplaces.md): Verify sellers and their legal entities before they list and get paid. - [Vendor onboarding and verification](https://corpoapi.com/industries/procurement.md): Check a supplier's registered entity before the first order, on official company data. ## Free tools - [Free company data tools](https://corpoapi.com/tools.md): Free company data tools: identifier checks, country company searches and a US state business search. Free to try, no account, no API key. - [Free company data checks](https://corpoapi.com/checks.md): Check an EIN, DUNS number, LEI, VAT number, SIREN, tax ID or NAICS code in the browser. Free to try, no account and no API key. - [DUNS Number Search](https://corpoapi.com/checks/duns-number-search.md): Check the format of a D-U-N-S number and see where a nine-digit number comes from. - [Look Up a Company EIN](https://corpoapi.com/checks/ein-lookup.md): Check whether a nine-digit number is a well-formed EIN, and find out where to look for the company behind one. - [LEI Search](https://corpoapi.com/checks/lei-search.md): Check the format of a 20-character LEI, including its ISO 17442 check digits. - [NAICS Code Lookup](https://corpoapi.com/checks/naics-code-lookup.md): Look up a NAICS 2022 code or find the code for a business activity, with the official title and parent sector. - [SIREN Number Lookup](https://corpoapi.com/checks/siren-check.md): Check a French SIREN number and see where the company behind it is confirmed. - [Tax ID Format Check (EIN, VAT, SIREN)](https://corpoapi.com/checks/tax-id-lookup.md): Check whether a tax ID or TIN is the right shape for its country, for the countries we already validate. - [VAT Number Checker](https://corpoapi.com/checks/vat-number-check.md): Check an EU VAT number against the VAT register and get the registered business name and address back. - [Free country company search](https://corpoapi.com/country-search.md): Search a country company register by name or number. One free page per country we serve, plus the global register search. - [UK Companies House Number Check](https://corpoapi.com/country-search/companies-house-search.md): Validate a UK Companies House company number format (eight characters) before you query the register. - [Global Company Register Search](https://corpoapi.com/country-search/company-search.md): Search any supported official company register by name or number and see the entity behind it. - [Swedish Organisationsnummer Check](https://corpoapi.com/country-search/swedish-company-search.md): Validate a Swedish organisationsnummer format (ten digits with Luhn check digit) before you search the register. - [UK Companies House Register Search](https://corpoapi.com/country-search/united-kingdom-company-search.md): Search the UK Companies House register by name or company number, free and with no account. See status, registered address and the number behind the company. - [Belgium Company Search](https://corpoapi.com/country-search/belgium-company-search.md): Search the Belgian KBO register by name or enterprise number, free and with no account. See the company's status, legal form and registered office. - [France Company Search](https://corpoapi.com/country-search/france-company-search.md): Search the French SIRENE register by name, SIREN or SIRET, free and with no account. See status, legal category and the registered address. - [Germany Company Search](https://corpoapi.com/country-search/germany-company-search.md): Search the German Handelsregister by company name or reference number, free and with no account. See status, legal form and the registered office. - [Search the Swedish Bolagsverket Register](https://corpoapi.com/country-search/sweden-company-search.md): Search the Swedish Bolagsverket register by name or organisationsnummer, free and with no account. See status, legal form and registered address. - [Argentina Company Search](https://corpoapi.com/country-search/argentina-company-search.md): Search the Argentine register of companies by name or CUIT, free and with no account. See each entity's status and its registered domicile. - [Brazil Company Search](https://corpoapi.com/country-search/brazil-company-search.md): Search the Brazilian CNPJ register by company name or CNPJ, free and with no account. See status, CNAE activity and the registered address. - [Canada Company Search](https://corpoapi.com/country-search/canada-company-search.md): Search the federal Canadian corporation register by name or corporation number, free and with no account. See status, type and registered office. - [Colombia Company Search](https://corpoapi.com/country-search/colombia-company-search.md): Search the Colombian RUES register by name or NIT, free and with no account. See status, category and the registered address. - [Peru Company Search](https://corpoapi.com/country-search/peru-company-search.md): Search the Peruvian RUC register by company name or RUC, free and with no account. See status, activity and the registered address. - [Australia Company Search](https://corpoapi.com/country-search/australia-company-search.md): Search the Australian ASIC register by name, ACN or ABN, free and with no account. See status, entity type and the registered details. - [Israel Company Search](https://corpoapi.com/country-search/israel-company-search.md): Search the Israeli companies register by name or company number, free and with no account. See the company's status and its registered address. - [Japan Company Search](https://corpoapi.com/country-search/japan-company-search.md): Search the Japanese corporate number register by name or number, free and with no account. See the corporation's status and its head office location. - [New Caledonia Company Search](https://corpoapi.com/country-search/new-caledonia-company-search.md): Search the New Caledonia RIDET register by name or number, free and with no account. See the entity's status and its registered address. - [Singapore Company Search](https://corpoapi.com/country-search/singapore-company-search.md): Search the Singapore ACRA register by name or UEN, free and with no account. See status, entity type and the registered address. - [Taiwan Company Search](https://corpoapi.com/country-search/taiwan-company-search.md): Search the Taiwan company register by name or unified business number, free and with no account. See status, representative and the registered address. - [Free US state business search](https://corpoapi.com/states-search.md): Search a US state or territory business register by name or number. One free page per register we serve, with no account. - [Alabama Secretary of State Business Search](https://corpoapi.com/states-search/alabama-business-search.md): Alabama business register search, code us-al. - [Alaska Secretary of State Business Search](https://corpoapi.com/states-search/alaska-business-search.md): Alaska business register search, code us-ak. - [Arizona Business Search](https://corpoapi.com/states-search/arizona-business-search.md): Arizona business register search, code us-az. - [Arkansas Secretary of State Business Search](https://corpoapi.com/states-search/arkansas-business-search.md): Arkansas business register search, code us-ar. - [California Secretary of State Business Search](https://corpoapi.com/states-search/california-business-search.md): California business register search, code us-ca. - [Colorado Secretary of State Business Search](https://corpoapi.com/states-search/colorado-business-search.md): Colorado business register search, code us-co. - [Connecticut Secretary of State Business Search](https://corpoapi.com/states-search/connecticut-business-search.md): Connecticut business register search, code us-ct. - [Delaware Secretary of State Business Search](https://corpoapi.com/states-search/delaware-business-search.md): Delaware business register search, code us-de. - [District of Columbia Business Search](https://corpoapi.com/states-search/district-of-columbia-business-search.md): District of Columbia business register search, code us-dc. - [Florida Secretary of State Business Search](https://corpoapi.com/states-search/florida-business-search.md): Florida business register search, code us-fl. - [Georgia Secretary of State Business Search](https://corpoapi.com/states-search/georgia-business-search.md): Georgia business register search, code us-ga. - [Hawaii Business Search](https://corpoapi.com/states-search/hawaii-business-search.md): Hawaii business register search, code us-hi. - [Idaho Secretary of State Business Search](https://corpoapi.com/states-search/idaho-business-search.md): Idaho business register search, code us-id. - [Illinois Business Search](https://corpoapi.com/states-search/illinois-business-search.md): Illinois business register search, code us-il. - [Indiana Business Search](https://corpoapi.com/states-search/indiana-business-search.md): Indiana business register search, code us-in. - [Iowa Secretary of State Business Search](https://corpoapi.com/states-search/iowa-business-search.md): Iowa business register search, code us-ia. - [Kansas Business Search](https://corpoapi.com/states-search/kansas-business-search.md): Kansas business register search, code us-ks. - [Kentucky Secretary of State Business Search](https://corpoapi.com/states-search/kentucky-business-search.md): Kentucky business register search, code us-ky. - [Louisiana Secretary of State Business Search](https://corpoapi.com/states-search/louisiana-business-search.md): Louisiana business register search, code us-la. - [Maine Secretary of State Business Search](https://corpoapi.com/states-search/maine-business-search.md): Maine business register search, code us-me. - [Maryland Business Search](https://corpoapi.com/states-search/maryland-business-search.md): Maryland business register search, code us-md. - [Massachusetts Secretary of State Business Search](https://corpoapi.com/states-search/massachusetts-business-search.md): Massachusetts business register search, code us-ma. - [Michigan Business Search](https://corpoapi.com/states-search/michigan-business-search.md): Michigan business register search, code us-mi. - [Minnesota Business Search](https://corpoapi.com/states-search/minnesota-business-search.md): Minnesota business register search, code us-mn. - [Mississippi Secretary of State Business Search](https://corpoapi.com/states-search/mississippi-business-search.md): Mississippi business register search, code us-ms. - [Missouri Secretary of State Business Search](https://corpoapi.com/states-search/missouri-business-search.md): Missouri business register search, code us-mo. - [Montana Business Search](https://corpoapi.com/states-search/montana-business-search.md): Montana business register search, code us-mt. - [Nebraska Secretary of State Business Search](https://corpoapi.com/states-search/nebraska-business-search.md): Nebraska business register search, code us-ne. - [Nevada Secretary of State Business Search](https://corpoapi.com/states-search/nevada-business-search.md): Nevada business register search, code us-nv. - [New Hampshire Business Search](https://corpoapi.com/states-search/new-hampshire-business-search.md): New Hampshire business register search, code us-nh. - [New Jersey Secretary of State Business Search](https://corpoapi.com/states-search/new-jersey-business-search.md): New Jersey business register search, code us-nj. - [New Mexico Business Search](https://corpoapi.com/states-search/new-mexico-business-search.md): New Mexico business register search, code us-nm. - [New York Business Search](https://corpoapi.com/states-search/new-york-business-search.md): New York business register search, code us-ny. - [North Carolina Business Search](https://corpoapi.com/states-search/north-carolina-business-search.md): North Carolina business register search, code us-nc. - [North Dakota Business Search](https://corpoapi.com/states-search/north-dakota-business-search.md): North Dakota business register search, code us-nd. - [Ohio Secretary of State Business Search](https://corpoapi.com/states-search/ohio-business-search.md): Ohio business register search, code us-oh. - [Oklahoma Secretary of State Business Search](https://corpoapi.com/states-search/oklahoma-business-search.md): Oklahoma business register search, code us-ok. - [Oregon Secretary of State Business Search](https://corpoapi.com/states-search/oregon-business-search.md): Oregon business register search, code us-or. - [Pennsylvania Business Search](https://corpoapi.com/states-search/pennsylvania-business-search.md): Pennsylvania business register search, code us-pa. - [Puerto Rico Business Search](https://corpoapi.com/states-search/puerto-rico-business-search.md): Puerto Rico business register search, code us-pr. - [Rhode Island Business Search](https://corpoapi.com/states-search/rhode-island-business-search.md): Rhode Island business register search, code us-ri. - [South Carolina Business Search](https://corpoapi.com/states-search/south-carolina-business-search.md): South Carolina business register search, code us-sc. - [South Dakota Secretary of State Business Search](https://corpoapi.com/states-search/south-dakota-business-search.md): South Dakota business register search, code us-sd. - [Tennessee Business Search](https://corpoapi.com/states-search/tennessee-business-search.md): Tennessee business register search, code us-tn. - [Texas Secretary of State Business Search](https://corpoapi.com/states-search/texas-business-search.md): Texas business register search, code us-tx. - [Utah Secretary of State Business Search](https://corpoapi.com/states-search/utah-business-search.md): Utah business register search, code us-ut. - [US Virgin Islands Business Search](https://corpoapi.com/states-search/us-virgin-islands-business-search.md): US Virgin Islands business register search, code us-vi. - [Vermont Secretary of State Business Search](https://corpoapi.com/states-search/vermont-business-search.md): Vermont business register search, code us-vt. - [Virginia Secretary of State Business Search](https://corpoapi.com/states-search/virginia-business-search.md): Virginia business register search, code us-va. - [Washington Secretary of State Business Search](https://corpoapi.com/states-search/washington-business-search.md): Washington business register search, code us-wa. - [West Virginia Secretary of State Business Search](https://corpoapi.com/states-search/west-virginia-business-search.md): West Virginia business register search, code us-wv. - [Wisconsin Business Search](https://corpoapi.com/states-search/wisconsin-business-search.md): Wisconsin business register search, code us-wi. - [Wyoming Business Search](https://corpoapi.com/states-search/wyoming-business-search.md): Wyoming business register search, code us-wy. ## Alternatives - [Switch to Corpo API](https://corpoapi.com/switch.md): Compare company API pricing, commitments and access across 8 alternatives. Verify any company from official registers with one API. - [Creditsafe alternative for company data, without a subscription](https://corpoapi.com/switch/creditsafe-alternative.md): Get official company records through a simple API at $0.01 per verified company. Public pricing, free search and no annual contract. - [Dun & Bradstreet and Orbis alternative for $0.01 company lookups](https://corpoapi.com/switch/dun-bradstreet-orbis-alternative.md): Build with official company data on demand. One API, a published per-company price and no subscription to get started. - [Kyckr alternative: $0.01 company data, no sales call](https://corpoapi.com/switch/kyckr-alternative.md): Get official company data at a published price. Create your API key, connect your app or agent, and pay only for the companies you verify. - [Middesk alternative: company lookups 200× cheaper*](https://corpoapi.com/switch/middesk-alternative.md): Add official company register data to your onboarding flow. Start with 100 free calls and pay per verified company as you grow. - [North Data alternative: 11× cheaper for company lookups*](https://corpoapi.com/switch/north-data-alternative.md): Get the company facts your app needs for $0.01 per verified company. No subscription, no annual commitment, no sales call to start. - [OpenCorporates alternative: 26× cheaper for company lookups*](https://corpoapi.com/switch/opencorporates-alternative.md): Build company lookups into your product without paying for an annual API allowance. Start free, then pay $0.01 per verified company. - [Pappers alternative: one company API, $0.01 per lookup](https://corpoapi.com/switch/pappers-alternative.md): Look up company data across supported countries through one consistent API. Free search, published pricing and a hosted MCP server for your agents. - [Prometiam alternative: company data with no monthly minimum](https://corpoapi.com/switch/prometiam-alternative.md): Pay for the company records you use, without a monthly credit allowance. Start with 100 free calls and keep searching for free. ## Coverage - [Coverage](https://corpoapi.com/coverage.md): Explore company data availability across 69 countries and states. Search official registers and see which fields the API returns. ## Glossary - [Glossary](https://corpoapi.com/glossary.md): Plain-English definitions of the API and platform terms behind Corpo API. - [Company registration number](https://corpoapi.com/glossary/company-registration-number.md): A company registration number is the identifier a registry assigns to a company when it registers. - [UBO (ultimate beneficial owner)](https://corpoapi.com/glossary/ubo.md): A UBO, or ultimate beneficial owner, is the person who ultimately owns or controls a company. - [VAT number](https://corpoapi.com/glossary/vat-number.md): A VAT number identifies a business registered for value-added tax. ## Articles - [Blog](https://corpoapi.com/blog.md): News and updates from Corpo API. - [One OpenAPI spec, every surface](https://corpoapi.com/blog/one-spec-everywhere.md): How the API contract drives the docs, the endpoint pages and the machine-readable files we publish. - [Error responses you can act on](https://corpoapi.com/blog/error-responses-that-help.md): An error code is a support conversation you do not have to have. Here is the shape we use. - [Usage-based billing without the surprise invoice](https://corpoapi.com/blog/usage-based-billing.md): How a starter allowance, per-company pricing and a daily dedup keep an API bill predictable. ## Legal - [Privacy Policy](https://corpoapi.com/privacy.md): Privacy Policy for Corpo API. - [Terms of Use](https://corpoapi.com/terms.md): Terms of Use for Corpo API. - [Cookie Notice](https://corpoapi.com/cookies.md): Cookie Notice for Corpo API. - [Data Processing Addendum](https://corpoapi.com/dpa.md): Data Processing Addendum for Corpo API. ## Docs - [API reference](https://docs.corpoapi.com): guides, authentication, rate limits and every endpoint. - [Full reference as markdown](https://docs.corpoapi.com/llms-full.md): every endpoint, parameter, response and example. - [Agent guide](https://docs.corpoapi.com/agents.md): auth, endpoints, errors and example calls, written for agents. - [OpenAPI 3.1 spec](https://docs.corpoapi.com/openapi.json): the machine-readable contract. - [Authentication](https://docs.corpoapi.com/authentication.md): API keys and the auth header. - [Errors](https://docs.corpoapi.com/errors.md): the error envelope and status codes. - [Rate limits](https://docs.corpoapi.com/rate-limits.md): the per-key windows. - [Docs llms.txt](https://docs.corpoapi.com/llms.txt): the index for the docs site. - [Dashboard / sign up](https://app.corpoapi.com): create an API key and track usage. ## Trust and scope - Data comes from official registers only, and every response carries field-level provenance and the licence attribution for the source. - Bulk registers are refreshed on the pipeline schedule; on-request registers are retrieved live. 69 jurisdictions are served today. - Officers are returned only where a register publishes them. Where it does not, the officers endpoint returns HTTP 409 officers_not_available. - Registers are added as their pipelines land; if you need one that is missing, tell us. - MCP adapter source: https://github.com/jeanhdev/corpoapi (api/mcp). - [Sitemap](https://corpoapi.com/sitemap.xml): every URL on the site, sharded by page family. - [Robots](https://corpoapi.com/robots.txt): crawler policy, with named AI crawlers explicitly allowed.