x402.agentindex.world

{
  "properties": {
    "answer": {
      "description": "5-8 sentences, each claim cited inline as [n] referring to the sources array (1-indexed).",
      "type": "string"
    },
    "claims_verified": {
      "description": "True only if a Jev check confirmed the answer's citations are supported. False if unsupported OR if verification was skipped/timed out - see claims_verified_reason.",
      "type": "boolean"
    },
    "claims_verified_reason": {
      "description": "Why claims_verified is false: 'jev_found_unsupported_claim', 'verification_timed_out_or_failed', 'insufficient_time_budget_remaining', or null when verified true.",
      "type": [
        "string",
        "null"
      ]
    },
    "query": {
      "type": "string"
    },
    "sources": {
      "items": {
        "properties": {
          "published_at": {
            "type": [
              "string",
              "null"
            ]
          },
          "source": {
            "type": "string"
          },
          "title": {
            "type": "string"
          },
          "url": {
            "type": "string"
          }
        },
        "type": "object"
      },
      "type": "array"
    },
    "synthesis": {
      "description": "'llm' when a paid fast model wrote the answer (the common case). 'extractive' when that model missed its own tight time cap and the answer is instead the most relevant sentences already present in the sources, verbatim, picked by Jev - never a second LLM call.",
      "enum": [
        "llm",
        "extractive"
      ],
      "type": "string"
    },
    "timing_ms": {
      "description": "search, synthesis, verify, total, in milliseconds.",
      "type": "object"
    },
    "x402_receipt": {
      "description": "Billing and provenance receipt for this call.",
      "type": "object"
    }
  },
  "required": [
    "query",
    "answer",
    "synthesis",
    "sources",
    "claims_verified",
    "timing_ms"
  ],
  "type": "object"
}