The API Report CardAPI Index
Rezgo

Rezgo API

POS / Hospitality · rezgo.com

Rezgo publishes a public booking API with XML and JSON transports at rezgo.com/api-documentation. API keys are self-serve from Settings under Integrations at no fee, optionally IP-restricted. There is no OAuth, no webhooks (booking alerts arrive by email), and no sandbox.

Last verified: July 2026Hospitality & Travel
API GRADE
A
VERIFIED JUL 2026

SCORECARD

ExistenceGOODPublic API at rezgo.com/api-documentation with both XML and JSON transports over the same instruction set.
AccessGOODKeys are self-serve from Settings under Integrations, optionally restricted by IP and permissions; no fee named.
CoverageGOODInventory search, monthly availability, booking commit, and booking lookup by date, email, or name.
AuthGOODEvery call carries a transcode account ID plus an API key; no OAuth flow is documented.
Docs & DXGOODPublic reference plus an official open-source PHP booking engine and a WordPress plugin; no sandbox or webhooks.
StabilityGOODRate limit is 4,000 requests per hour, raisable on request to support.
Supergood: Rezgo shipped a real API. Most vendors don't; we ship near-native APIs for the rest.

Frequently asked questions

Rezgo scores A on the API Report Card. Rezgo publishes a public booking API with XML and JSON transports at rezgo.com/api-documentation. API keys are self-serve from Settings under Integrations at no fee, optionally IP-restricted. There is no OAuth, no webhooks (booking alerts arrive by email), and no sandbox.

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