API: Authentication

Overview

Syllecta public APIs use bearer tokens (API keys). Every request must include:

  • Authorization: Bearer <api_key>

API keys map to a tenant, plan, and usage limits in Backoffice.

Base URLs

  • Production Cloud: https://api.syllecta.com.
  • Local: http://localhost:4000 (cloud-api dev server).

Errors

StatusDescription
403Missing/invalid API key (Forbidden resource)
404Tenant slug not found (slug route only)
429Usage limit exceeded (idempotency lock path)
500Service unavailable

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