promptlayer.com
WebAPI
What is PromptLayer?
PromptLayer logs every LLM API call a team makes, letting engineers search and replay past prompts, track cost and latency, and manage prompt versions in a visual editor separate from application code — aimed at teams running many LLM calls in production.
Key features
- Full LLM request logging and search
- Visual prompt versioning and editing
- Cost and latency tracking
Pricing
FreemiumFree tier, paid plans for teams
Verify on the official pricing page →PromptLayer use cases
- 1Debugging and auditing LLM API calls
- 2Managing prompts separately from code
- 3Tracking LLM cost and performance
Who is PromptLayer for?
AI/ML engineersAI product teamsCompanies running LLM applications at scale
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