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Three steps take you from an API key to a working request.
1

Get your API key

Create a key at app.companyenrich.com/access-keys, then save it in an environment variable:
2

Send your first request

This request checks that your key works and shows your credit balance. It is free.
You get back your account’s credits and what your plan allows:
This example is shortened. A 401 response means the key is missing or wrong.
3

Pick an API

Each page below starts with a request you can copy and run.

Company Enrichment API

Turn a domain into a full company profile.

Company Search API

Find companies by country, size, industry, and more.

Semantic Company Search API

Find companies from a plain-language description.

Similar Companies API

Find companies like the ones you already know.

People Search API

Find people by job title, seniority, and employer.

Reverse Email Lookup API

Find the person behind a work email address.

Company Headcount API

Get employee counts by department, with history.

MCP server

Connect an AI agent to CompanyEnrich data.

Good to know

  • Base URL. Every request goes to https://api.companyenrich.com. V2 paths start with /v2.
  • Authentication. Send your key in the Authorization header as Bearer followed by the key. See Authentication.
  • Credits. Most requests cost credits for the data they return. Counting matches and checking your account are free. See Credits.
  • Rate limits. See Rate limits before you send requests at scale.