DOCUMENTATION / CHOOSE AN INTERFACE

Choose an interface

OpenAPI 3.1 ↗

Compare CompanyProof company profiles, claim verification, adaptive intelligence and MCP. Choose the response format and endpoint for your application.

BASE URLhttps://companyproof.ai/v2JSON · Bearer authentication

START HERE · INTERFACE CHOOSER

Choose your integration interface.

Choose the response format and workflow that fit your application.

PROOF & MONITORING02

CompanyProof Verification

Use when you already have a claim and need a verdict, evidence record, audit trail and optional monitoring.

POST /v2/claims/verifyOpen the verification contract →
NATURAL LANGUAGE03

Adaptive Intelligence API

Use for adaptive research or conversational experiences where the requested data can change with each question.

POST /v2/intelligence/queryOpen the intelligence guide →
AI CLIENT TOOLS04

CompanyProof MCP

Use when a Streamable HTTP MCP client should search companies, retrieve profiles or verify claims through typed CompanyProof tools.

https://companyproof.ai/v2/mcpOpen the MCP guide →
API keys for REST and custom clients. OAuth for ChatGPT.https://companyproof.ai/v2/mcp

Connect ChatGPT with CompanyProof OAuth and never paste an API key there. REST remains API-key authenticated, and custom MCP clients may use cp_test_… or cp_live_… bearer keys. Normal account rate, usage and plan controls apply to MCP tool calls.