AI-powered web search via Tavily

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xf080a1Aab08650946acDa41410a7eDC14f7Be035",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "12000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "POST",
        "schema": {
          "properties": {
            "max_results": {
              "default": 5,
              "type": "integer"
            },
            "query": {
              "description": "Search query",
              "type": "string"
            },
            "search_depth": {
              "enum": [
                "basic",
                "advanced"
              ],
              "type": "string"
            },
            "topic": {
              "enum": [
                "general",
                "news",
                "finance"
              ],
              "type": "string"
            }
          },
          "required": [
            "query"
          ],
          "type": "object"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "query": "bitcoin ETF approval",
          "response_time": 1.2,
          "results": [
            {
              "content": "...",
              "score": 0.95,
              "title": "Bitcoin ETF...",
              "url": "https://example.com"
            }
          ]
        },
        "type": "json"
      }
    },
    "schema": {
      "output": {
        "properties": {
          "query": {
            "type": "string"
          },
          "response_time": {
            "type": "number"
          },
          "results": {
            "items": {
              "properties": {
                "content": {
                  "type": "string"
                },
                "score": {
                  "type": "number"
                },
                "title": {
                  "type": "string"
                },
                "url": {
                  "format": "uri",
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": "array"
          }
        },
        "required": [
          "query",
          "results"
        ]
      }
    }
  }
}

curl "https://api.signalfuse.co/v1/gateway/search/tavily"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://api.signalfuse.co/v1/gateway/search/tavily");
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://api.signalfuse.co/v1/gateway/search/tavily")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header