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OpenCorporates API

by OpenCorporates Free tier

Data on corporate entities and directors in many countries

developer

Quick Reference

Base URL http://api.opencorporates.com Auth type API Key Header Auth header Authorization: Bearer YOUR_TOKEN Rate limit 10 req/day (free) Pricing Enterprise / contact sales Free quota None Documentation http://api.opencorporates.com/documentation/API-Reference Endpoint status Live — HTTP 200 — endpoint is accessible1.47s (checked Mar 29, 2026) Builder score D 34% builder-friendly
Pricing
28
Latency
60
Depth
18

Authentication

See documentation for auth details

Authorization: Bearer YOUR_TOKEN

Pricing

Model subscription Starting price Enterprise / contact sales Free quota None

Free: 10 req/day. Standard €99/mo, Premium €499/mo for full corporate registry access.

Key Endpoints

MethodPathDescription
GET / See documentation for endpoint reference

Sample Request

curl 'http://api.opencorporates.com'

Sample Response

{}

Data sourced from API Map. Always verify pricing and rate limits against the official OpenCorporates documentation.