Topic ranking — Ranked social topics for a window

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x54F57D0FE2FFBa8C8111fc89D4a0E624D53Dd0e3",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "1000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "window_hours": "168"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "data": [],
          "meta": {
            "docs": "https://onvexia.com/openapi.json",
            "endpoint": "/v1/topics/rank"
          }
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "window_hours": {
                  "description": "Look-back window, default 24",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "properties": {
                "data": {
                  "description": "The result — an array or object depending on the endpoint. An empty array means no rows in range, never that the metric is unsupported."
                },
                "meta": {
                  "description": "Coverage and provenance: what was measured, and what is not held. A null label means no label is held, never that the subject is safe.",
                  "type": "object"
                }
              },
              "type": "object"
            }
          },
          "type": "object"
        }
      },
      "type": "object"
    }
  }
}

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

const res = await fetch("https://onvexia.com/v1/topics/rank");
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://onvexia.com/v1/topics/rank")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header