PromptLayer API

AI · Operational · 30d uptime 100%

PromptLayer provides APIs and SDKs for versioned prompts, prompt execution, tracing, evaluation workflows, webhooks, and controlled prompt release management. Useful for LLMOps, prompt CI/CD, and production AI observability.

Trust signals

Pricing

FREEMIUM

Auth

API_KEY

CORS

No

Rate limit

Unknown

Health

247ms

Trust score

89 (B)

Last checked Oct 19, 2026 · uptime 24h 100% / 7d 100% / 30d 100%

Strong candidate; weakest signal is CORS.

Links

Homepagewww.promptlayer.com
Documentationdocs.promptlayer.com/quickstart
Base URLdocs.promptlayer.com/quickstart

Integration checklist

Auth is API_KEY
No CORS — route calls through your backend.
Rate limit: not documented