Validate and decompose IBANs (checksum, country format, IBAN registry, SEPA membership; ba

[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "payTo": "0x15459498e1191d8787c83177809bd54022fA18c4",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "2000",
    "maxTimeoutSeconds": 300
  }
]

{
  "bazaar": {
    "info": {
      "input": {
        "body": {
          "iban": "GB82 WEST 1234 5698 7654 32"
        },
        "bodyType": "json",
        "method": "POST",
        "type": "http"
      },
      "output": {
        "body": {
          "bic": "object — { input, bic, valid, errors, bankCode, countryCode, locationCode, branchCode, testBIC }",
          "bics": "array (batch mode)",
          "iban": "object — { input, iban, valid, errors, countryCode, formatted, bban, bankIdentifier, branchIdentifier, accountNumber, sepa, inRegistry, length }",
          "ibans": "array (batch mode)",
          "source": "string"
        },
        "bodyType": "json",
        "example": {
          "iban": {
            "accountNumber": "98765432",
            "bankIdentifier": "WEST",
            "bban": "WEST12345698765432",
            "branchIdentifier": "123456",
            "countryCode": "GB",
            "errors": [],
            "formatted": "GB82 WEST 1234 5698 7654 32",
            "iban": "GB82WEST12345698765432",
            "inRegistry": true,
            "input": "GB82 WEST 1234 5698 7654 32",
            "length": 22,
            "sepa": true,
            "valid": true
          },
          "source": "ibantools registry (IBAN registry + SEPA membership); format and checksum validation only — does not prove the account exists"
        }
      }
    },
    "routeTemplate": "/iban",
    "schema": {
      "properties": {
        "input": {
          "additionalProperties": false,
          "properties": {
            "body": {
              "additionalProperties": false,
              "properties": {
                "bic": {
                  "description": "One BIC/SWIFT code (8 or 11 chars).",
                  "type": "string"
                },
                "bics": {
                  "description": "Batch of BICs.",
                  "items": {
                    "type": "string"
                  },
                  "maxItems": 100,
                  "type": "array"
                },
                "iban": {
                  "description": "One IBAN (spaces allowed).",
                  "type": "string"
                },
                "ibans": {
                  "description": "Batch of IBANs.",
                  "items": {
                    "type": "string"
                  },
                  "maxItems": 100,
                  "type": "array"
                }
              },
              "type": "object"
            },
            "bodyType": {
              "enum": [
                "json"
              ],
              "type": "string"
            },
            "method": {
              "enum": [
                "POST"
              ],
              "type": "string"
            },
            "type": {
              "const": "http",
              "type": "string"
            }
          },
          "required": [
            "type",
            "method",
            "bodyType",
            "body"
          ],
          "type": "object"
        }
      }
    }
  }
}

curl "https://workbot1.oddsys.org/iban"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paid

const res = await fetch("https://workbot1.oddsys.org/iban");
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://workbot1.oddsys.org/iban")
if res.status_code == 402:
    accepts = res.json()["accepts"]
    # pay one of accepts[] via an x402 client, then retry with the payment header