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Build against Last Price

The OpenAPI 3.0 spec is the source of truth. Generate clients from it, or use the interactive Swagger UI to explore.

  • API reference

    Swagger UI rendered from the live openapi.yaml. Authorize with a JWT or an API key (lp_…) and Try it out against the running server.

    Open API reference →

  • OpenAPI spec

    Raw openapi.yaml served from /api/openapi. Pipe it into your code generator of choice (openapi-generator, oapi-codegen, swagger-codegen).

    Download spec →

  • First call

    Sign up to provision a tenant, mint a JWT (POST /api/auth/token), then POST a pricing request to /api/compute/price. The hero playground is the same call, against a demo tenant.

    Try the playground →

  • Demos

    Seven reference apps (CloudNote, agenting bank, AI API platform, e-commerce, marketplace, digital products, hub) wired to Last Price. Read the source, fork what you need.

    Browse demos →

  • Rosetta translation

    AI-mediated translation between merchant payloads and vendor contracts, with hard contracts at compile/validate/freeze. Open canonical schemas (offer, product, observation, match, action) plus an autonomous one-call ingest endpoint.

    Open Rosetta product page →

Inference adapters

  • OpenAI
  • Anthropic
  • Hugging Face
  • Replicate
  • Together AI
  • Baseten
  • OpenRouter
  • Apify
  • NVIDIA AITune