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cammac-creator/ibanvalidator

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IBANValidatorAPI

API REST + MCP Server de validation IBAN avec lookup BIC/SWIFT et micropaiements x402 (Base L2).

Features

  • Validation IBAN complète (ISO 13616, modulo 97 avec BigInt)
  • Décomposition BBAN (bank code, branch code, account number)
  • Lookup BIC/SWIFT depuis base SQLite locale (5800+ entrées)
  • 75+ pays supportés (tous les pays IBAN/SEPA)
  • Micropaiements x402 : 0ドル.002 USDC par validation
  • MCP Server pour agents IA autonomes
  • Zéro dépendance API externe — tout est calculé localement

Quick Start

npm install
npm run db:seed # Build SQLite BIC database
npm run dev # Start dev server on :3000

API Endpoints

POST /v1/validate — 0ドル.002 USDC

# Dev mode (gratuit)
curl -X POST http://localhost:3000/v1/validate \
 -H "Content-Type: application/json" \
 -H "X-Dev-Skip: true" \
 -d '{"iban": "CH56 0483 5012 3456 7800 9"}'

Response:

{
 "iban": "CH5604835012345678009",
 "valid": true,
 "country": { "code": "CH", "name": "Switzerland" },
 "check_digits": "56",
 "bban": { "bank_code": "04835", "account_number": "012345678009" },
 "bic": { "code": "CRESCHZZ80A", "bank_name": "Credit Suisse (Schweiz) AG", "city": "Zurich" },
 "formatted": "CH56 0483 5012 3456 7800 9",
 "cost_usdc": 0.002,
 "processing_ms": 2
}

POST /v1/batch — 0ドル.015 USDC (max 10 IBANs)

curl -X POST http://localhost:3000/v1/batch \
 -H "Content-Type: application/json" \
 -H "X-Dev-Skip: true" \
 -d '{"ibans": ["CH5604835012345678009", "DE89370400440532013000"]}'

GET /health — Gratuit

curl http://localhost:3000/health

x402 Payments

En production, les routes /v1/* requièrent un paiement x402 en USDC sur Base L2.

# Avec paiement x402
curl -X POST https://api.example.com/v1/validate \
 -H "Content-Type: application/json" \
 -H "Payment-Signature: <x402-payment-token>" \
 -d '{"iban": "CH5604835012345678009"}'

Variables d'environnement requises :

WALLET_ADDRESS=0x... # Wallet USDC on Base

MCP Server (Claude Desktop)

Ajouter dans claude_desktop_config.json :

{
 "mcpServers": {
 "iban-validator": {
 "command": "npx",
 "args": ["tsx", "/path/to/ibanvalidator/src/mcp/server.ts"]
 }
 }
}

Tools disponibles :

  • validate_iban — Valider un IBAN unique
  • batch_validate_iban — Valider jusqu'à 10 IBANs

Stack

  • Runtime : Node.js 20+ TypeScript
  • Framework : Hono
  • Base de données : SQLite via better-sqlite3
  • Paiements : x402 SDK (@x402/hono)
  • MCP : @modelcontextprotocol/sdk

Build & Deploy

npm run build # Compile TS + seed DB
docker build -t iban . # Build Docker image
docker run -p 3000:3000 -e WALLET_ADDRESS=0x... iban

Data Sources

  • Algorithme IBAN : Norme ISO 13616 (publique)
  • Données BIC : sigalor/iban-to-bic + registres nationaux
  • Pays : ISO 3166-1 (domaine public)

About

IBAN Validation + BIC/SWIFT Lookup API with x402 micropayments & MCP Server

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