Live Provenance Lab API

Authority: Explanatory API reference · Status: Implemented candidate · Applies to: E2 · Verified against: current checkout · Source: internal/labapi, generated/e2/openapi.json

The same-origin HTTP API is read-only and catalog-only:

GET  /api/v1/status
GET  /api/v1/origins
GET  /api/v1/origins/{origin_id}
GET  /api/v1/origins/{origin_id}/schema
GET  /api/v1/origins/{origin_id}/operations
POST /api/v1/invoke
GET  /api/v1/results/{result_id}
GET  /api/v1/results/{result_id}/provenance
GET  /api/v1/results/{result_id}/bundle
GET  /.well-known/twirx

{
  "origin_id": "world-bank-indicators",
  "operation_id": "development.getIndicator",
  "mode": "replay",
  "input": {
    "country": "CHL",
    "indicator": "SP.POP.TOTL",
    "year": 2024
  }
}

Unknown properties, duplicate keys, wrong JSON types, values outside contract allowlists, and origin-operation mismatches are rejected. The server resolves the reviewed endpoint; no request field can supply or override a URL. JSON Schema, OpenAPI, MCP tool definitions, and the CLI reference are generated from contracts/e2/contracts.json. The public OpenAPI document is /openapi.json. Catalog records expose admission state, source class, attribution, fresh-mode availability, and an explicit not_probed health state. E2 does not promote a successful historical invocation into a current origin-availability claim.

Last modified on August 10, 2026

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