Response headers
SendyKit returns standard rate-limit headers:What to do
- retry after the reset window
- keep writes idempotent with
Idempotency-Key - use API keys for stable automation
- reserve machine payments for premium actions, not every request
Public readiness endpoints
The public readiness endpoints are separately rate-limited because they are browser-accessible:/sendykit/api/v2/system/readiness/evaluate/sendykit/api/v2/system/readiness/inboarding/sendykit/api/v2/system/readiness/report/{id}