Use when an agent is checking that its x402 payment headers and query encoding survive a p

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x970007590aCC5C938cd51345B17AF51B1B40D3Ab",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "10000",
    "maxTimeoutSeconds": 60
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "payTo": "GYyTRmt317JafPHXPnM54Fsvsma5GnS9wm6qGMqaykdS",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "10000",
    "maxTimeoutSeconds": 60
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {},
        "type": "http"
      },
      "output": {
        "example": {
          "echo": {
            "hello": "world",
            "n": "1"
          },
          "message": "This response was paid for via x402 protocol",
          "timestamp": "2026-09-12T00:08:59.286Z"
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET",
                "HEAD",
                "DELETE"
              ],
              "type": "string"
            },
            "queryParams": {
              "description": "Any query parameters; they are returned verbatim.",
              "properties": {},
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "echo": {
              "properties": {
                "hello": {
                  "type": "string"
                },
                "n": {
                  "type": "string"
                }
              },
              "type": "object"
            },
            "message": {
              "type": "string"
            },
            "timestamp": {
              "type": "string"
            }
          },
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

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

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