Marketplace · API · x402

api.duoleads.com/v1/id/iban

IBAN validator: validate an IBAN's length for its country, permitted character classes per field, and the ISO 7064 mod-97-10 check digits. Returns the verdict with a specific failure reason, the electronic and print formats, and the decomposed bank code, branch code and account number according to that country's registered layout. Covers the 89 countries of the SWIFT IBAN registry. Structure and checksum only, it does not confirm the account exists.

Endpointhttps://api.duoleads.com/v1/id/iban
Trust✓ Verified callable · 100% uptime over 1 checks · ~424 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xCD673f7e1daD254347AEab6be0DEFe8b9C6b3A39
methodGET
last updated2026-10-27T02:13:12.209Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.duoleads.com/v1/id/iban
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-dc4c9e8d1547fb59

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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