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Domain Expiration Domain Ownership Verification Domain Availability Ownership Confirmation Name Server Data Official Business Records Registration Data Registration Details Domain Lookup Registrant Information Expiration Dates Contact Information Whois Information Domain Ownership Shareholders Information Domain Ownership Check KYB Verification Registrant History Domain Domain Verification

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Best company registration APIs

Registration Information Checker API

Security & Cybersecurity

The Registration Information Checker API efficiently confirms domain ownership information, enhancing online security, brand management, and domain research effortlessly.

Free 7-Day Trial

100% uptime 10,266ms avg MCP ready

Domain Registration Data Lookup API

Company Data

Structured registration data for any domain: registration and expiration dates, status, name servers, security delegation state and registrar entities. Real registry answers, no fragile text parsing.

Free 7-Day Trial

100% uptime 254ms avg MCP ready

Domain Data Registration API

Market Data & Trading

Domain Data Registration API quickly access domain details such as availability, ownership, expiration and registrar information to make informed decisions in seconds.

Free 7-Day Trial

100% uptime 1,094ms avg MCP ready

Domain Registration Insight API

Company Data

The Domain Registration Insight API provides access to detailed domain registration information, including ownership, expiration dates and status.

Free 7-Day Trial

47% uptime 495ms avg MCP ready

Domain Registration Insights API

Legal & Compliance

The Domain Registration Insights API delivers in-depth domain data, allowing users to evaluate ownership, monitor current status, and review historical records with ease.

Free 7-Day Trial

100% uptime 528ms avg MCP ready

Retrieve Domain Registration Details API

Company Data

Obtain detailed domain registration details seamlessly to verify ownership and ensure secure transactions.

Free 7-Day Trial

100% uptime 19ms avg MCP ready

Subjectum Company Registry KYB API

Company Data

Real-time company registry lookup and KYB verification for Czech Republic (ARES) and Slovakia (RPO) — normalized company data with automated risk flags (newly founded, liquidation, bankruptcy status).

100% uptime 206ms avg MCP ready

Web Registration information API

Legal & Compliance

The Web Registration information API grants users access to vital information concerning domain ownership, registration, and contact details.

Free 7-Day Trial

100% uptime 1,072ms avg MCP ready

Brazil Company Lookup and Enrichment API

Company Data

Official Brazilian company data by CNPJ: 40+ fields, shareholders (QSA), CNAE, contacts and a 0-100 registration score. One-field request, batch up to 1,000 CNPJs.

Free 7-Day Trial