Rerank passages by relevance to a query via Cloudflare Workers AI (@cf/baai/bge-reranker-b

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xc55A2D530b53CBaD1001e4AfD4720B7E71f9C291",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "4000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "documents": [
            "To reset your password, click 'Forgot password' on the sign-in page.",
            "Our office is open Monday to Friday, 9am to 5pm.",
            "Passwords must be at least 12 characters and are reset from account settings."
          ],
          "query": "How do I reset my password?",
          "topK": 2
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "example": {
          "model": "@cf/baai/bge-reranker-base",
          "results": [
            {
              "index": 0,
              "score": 0.98
            },
            {
              "index": 2,
              "score": 0.71
            }
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "properties": {
                "documents": {
                  "description": "Candidate passages to rank (≤ 50, each ≤ 4000 chars).",
                  "items": {
                    "type": "string"
                  },
                  "maxItems": 50,
                  "type": "array"
                },
                "query": {
                  "description": "The search query (≤ 4000 chars).",
                  "type": "string"
                },
                "returnDocuments": {
                  "default": false,
                  "description": "Include each ranked document's text in the results.",
                  "type": "boolean"
                },
                "topK": {
                  "description": "Return only the K best (default: all, ranked).",
                  "minimum": 1,
                  "type": "integer"
                }
              },
              "required": [
                "query",
                "documents"
              ],
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json",
                "form-data",
                "text"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "additionalProperties": false,
              "properties": {
                "model": {
                  "description": "The reranker model used (scores compare only within one model).",
                  "type": "string"
                },
                "results": {
                  "description": "Ranked best-first. `index` refers to the input documents array.",
                  "items": {
                    "properties": {
                      "document": {
                        "description": "The document text (only when returnDocuments=true).",
                        "type": "string"
                      },
                      "index": {
                        "description": "Position of this document in the request `documents` array.",
                        "type": "integer"
                      },
                      "score": {
                        "description": "Relevance score from the model (higher = more relevant).",
                        "type": "number"
                      }
                    },
                    "required": [
                      "index",
                      "score"
                    ],
                    "type": "object"
                  },
                  "type": "array"
                }
              },
              "required": [
                "results",
                "model"
              ],
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

curl "https://402utils.com/v1/rerank"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://402utils.com/v1/rerank");
if (res.status === 402) {
  const { accepts } = await res.json();
  // pay one of accepts[] via an x402 client, then retry with the payment header
}

import httpx
res = httpx.get("https://402utils.com/v1/rerank")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header