The API Report CardAPI Index
Hornblower

Hornblower API

POS / Hospitality · hornblower.com

The Anchor Operating System, Hornblower's technology arm, documents a booking API at devshop.hornblower.com: tours, availability, reserve, book, amend, and cancel. Auth is HTTP Basic with a token and a sandbox token is published. It targets OTAs and resellers; hornblower.com itself exposes none.

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

SCORECARD

ExistenceGOODThe Anchor Operating System documents a booking REST API at devshop.hornblower.com; hornblower.com itself has none.
AccessGOODAimed at OTAs, resellers, and partner systems; a sandbox dev token is published for immediate testing.
CoverageGOODTours, availability, reserve, book, amend, cancel, gift card balance, and membership lookups.
AuthGOODHTTP Basic auth with an account token; sandbox credentials are published for development.
Docs & DXGOODHosted docs, a published sandbox token, and webhooks configured through the Anchor Dashboard.
StabilityGOOD
Supergood: Hornblower shipped a real API. Most vendors don't; we ship near-native APIs for the rest.

Frequently asked questions

Hornblower scores A on the API Report Card. The Anchor Operating System, Hornblower's technology arm, documents a booking API at devshop.hornblower.com: tours, availability, reserve, book, amend, and cancel. Auth is HTTP Basic with a token and a sandbox token is published. It targets OTAs and resellers; hornblower.com itself exposes none.

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