API v1

TrustRegistry API

Business identity verification infrastructure. Confirm in a single call whether a legal entity is real, active, and officially registered with the issuing authority — built on authoritative state registry data.

Base URL

https://trustregistryapi.com/api/v1

REST over HTTPS. Request and response bodies are JSON (UTF-8). All endpoints require a bearer token.

Who this is for

TrustRegistry is built for teams that need authoritative, programmatic answers about whether a business legally exists — KYB and merchant onboarding at payment processors, underwriting at SMB lenders, seller verification on marketplaces, vendor due diligence, and compliance automation.

Endpoints

POST/verifyVerify a business by name (+ optional registration number).GET/searchFuzzy-search ranked candidates by name within a state.GET/business/{id}Fetch a full entity record by TrustRegistry ID.

Get started

Quickstart →

Your first verification in under 2 minutes.

Authentication →

Bearer tokens, key rotation, and revocation.

Coverage →

What's live today and what we honestly don't cover yet.

Playground →

Try the live API in your browser.

Honesty note. We document only what is shipped. There is no sandbox key type, no official SDK package, no webhook subscriptions, and no enforced rate limit today. When any of those ship, they will appear here with an exact contract.