Howler API documentation

Choose an API surface below. Each link opens the interactive OpenAPI explorer for that version, with request/response examples and Try it out.

s2s/v1 Current

Howler API s2s/v1

Server-to-server Core API for Pulse and other platform services.

JWT client-credentials + refresh auth and health checks. Start here for new Core integrations.

Who it’s for: Pulse · platform services · M2M

Open explorer OpenAPI YAML

v3 Consumer portal

Howler API v3

Consumer Portal REST API for tickets, auth, cashless, and related flows.

OAuth2 / JWT for end-user apps and partner portal integrations. The mature public consumer API.

Who it’s for: Mobile apps · consumer web · partners

Open explorer OpenAPI YAML

webhooks Outbound

Howler Webhooks v1

Outbound webhook payload reference for partner integrations.

Documents events Howler sends to your endpoints (ticket updates and related notifications), not inbound REST calls.

Who it’s for: Partner systems receiving Howler events

Open explorer OpenAPI YAML

Prefer raw specs? YAML is also available under /api-docs/<version>/…. Credential runbook for s2s/v1: docs/api/s2s/v1/credential-issuance.md in the repo.