Turkish exchange spread check: BTCTurk and Paribu's TRY quotes converted back to USD via t

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0xe55359021a6a22d8385b827405991c56075f56f8",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "method": "GET",
        "queryParams": {
          "asset": "usdt"
        },
        "type": "http"
      },
      "output": {
        "example": {
          "asset": "usdt",
          "at": "2026-08-05T13:31:58.678Z",
          "exchanges": [
            {
              "impliedUsd": 1.00509,
              "name": "btcturk",
              "spreadPct": 0.578,
              "try": 47.53,
              "unavailable": false
            },
            {
              "impliedUsd": 1.00466,
              "name": "paribu",
              "spreadPct": 0.535,
              "try": 47.51,
              "unavailable": false
            }
          ],
          "globalUsd": 0.999318,
          "officialUsdTry": 47.2891
        },
        "type": "json"
      }
    },
    "schema": {
      "$schema": "https://json-schema.org/draft/2020-12/schema",
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "method": {
              "enum": [
                "GET"
              ],
              "type": "string"
            },
            "queryParams": {
              "properties": {
                "asset": {
                  "description": "Optional. Cross-rate asset, default btc",
                  "enum": [
                    "btc",
                    "usdt"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method"
          ],
          "type": "object"
        },
        "output": {
          "properties": {
            "example": {
              "type": "object"
            },
            "type": {
              "type": "string"
            }
          },
          "required": [
            "type"
          ],
          "type": "object"
        }
      },
      "required": [
        "input"
      ],
      "type": "object"
    }
  }
}

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

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