Docs as contract
Every page is generated from the live OpenAPI spec, so the docs and the wire format cannot drift.
GuardianCheckin API
A stable, versioned read surface over your listings and forms, with safe form writes. No SDK, no login, just a bearer key.
Get started Mint a key and make your first call in under 30 minutes.
Authentication The bearer-key scheme and the 401 / 403 / 404 trio.
Error codes Every error code, its HTTP status, and how to fix it.
API reference The full endpoint and schema reference, from the OpenAPI contract.
Browse the API
Section titled “Browse the API” Listings List the listings in your API scope and fetch a single listing.
Forms List the guest-registration forms on a listing and fetch one by id.
Form writes Create and update guest-registration forms safely, with idempotency.
Why it is trustworthy
Section titled “Why it is trustworthy”Tested in CI
Every example is executed against the live sandbox in CI before it ships.
No login required
Public, read-first API. No SDK, no operator login, just a bearer key.