Omnia Odds

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "hint": "Use a supported wallet to pay for this resource using one of the supported payment methods returned in the WWW-Authenticate header. See https://mpp.dev/tools/wallet.md",
  "type": "https://paymentauth.org/problems/payment-required",
  "title": "Payment Required",
  "detail": "Payment is required (Chat: one prompt to a fast open LLM (Llama 3.1 8B), plain-text answer).",
  "status": 402,
  "challengeId": "T6bsnMIeS2bE-6MUCVTXsefwMejJ5a5jJUhLc5I4yQY"
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2",
      "assetTransferMethod": "eip3009"
    },
    "payTo": "0x2E8dFc2a77AdCDd865A46293844c250462A1c32d",
    "amount": "1000",
    "scheme": "exact",
    "network": "eip155:8453",
    "maxTimeoutSeconds": 300
  }
]

Extensions

{
  "mppx": {
    "info": {
      "method": "GET"
    },
    "schema": {
      "type": "object",
      "required": [
        "method"
      ],
      "properties": {
        "nonce": {
          "type": "string"
        },
        "digest": {
          "type": "string"
        },
        "method": {
          "type": "string"
        },
        "opaque": {
          "type": "string"
        },
        "_mppx_scope": {
          "type": "string"
        }
      },
      "additionalProperties": false
    }
  },
  "bazaar": {
    "info": {
      "input": {
        "type": "http",
        "method": "GET",
        "queryParams": {
          "q": "Summarize in one sentence: the Fed held rates steady and signaled patience."
        }
      },
      "output": {
        "type": "json",
        "example": {
          "model": "@cf/meta/llama-3.1-8b-instruct-fp8-fast",
          "query": "Summarize in one sentence: ...",
          "answer": "The Fed kept rates unchanged and indicated it will wait for more data before moving.",
          "generated_at": "2026-09-24T15:20:00Z"
        }
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "type": "object",
          "required": [
            "type",
            "method",
            "queryParams"
          ],
          "properties": {
            "type": {
              "type": "string",
              "const": "http"
            },
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "type": "object",
              "required": [
                "q"
              ],
              "properties": {
                "q": {
                  "type": "string",
                  "minLength": 1,
                  "description": "the prompt (up to 4000 chars)"
                },
                "system": {
                  "type": "string",
                  "description": "optional system instruction (up to 1000 chars)"
                }
              }
            }
          },
          "additionalProperties": false
        },
        "output": {
          "type": "object",
          "properties": {
            "type": {
              "type": "string",
              "const": "json"
            },
            "example": {
              "type": "object"
            }
          }
        }
      }
    }
  }
}

Provenance

Seen in the source catalog

2026-09-24 18:50Z

Last indexed by Roundhouse

2026-10-24 17:50Z

Last enriched (probe, favicon, geo)

2026-09-24 16:15Z

x402 version

2

Max timeout

300s

Liveness probe

HTTP 402