IBANforge — IBAN Validation & BIC/SWIFT Lookup API for AI Agents | IBANforge

# IBANforge > Pre-payout screening for AI agents — vet a counterparty IBAN before you send funds. IBAN validation, BIC/SWIFT lookup, Swiss clearing (BC-Nummer / QR-IID / SIX BankMaster — full payment-rail participation, the deepest Swiss clearing data in any public API), EMI/vIBAN classification, SEPA Instant + VoP reachability, and sanctions + risk scoring — exposed natively over MCP and x402 micropayments, no API-key signup required. 121k+ BIC entries (38k+ LEI-enriched via GLEIF) · 1,100+ Swiss BC-Nummern (SIX) · 89 countries · 85 EMI/vIBAN issuer classifications — live counts at https://api.ibanforge.com/llms.txt ## API Base URL https://api.ibanforge.com ## How AI agents connect (pick one) ### MCP server (stdio — easiest, no signup) npx -y ibanforge-mcp Claude Desktop / Cursor / Cline config: {"mcpServers": {"ibanforge": {"command": "npx", "args": ["-y", "ibanforge-mcp"]}}} Optional: set IBANFORGE_API_KEY=ifk_... in env for the free tier (200 req/month). ### MCP server (streamable HTTP — no install) POST https://api.ibanforge.com/mcp (JSON-RPC: initialize → tools/list → tools/call) ### OpenAI agents (no Custom GPT or ChatGPT Plus needed) Agents SDK: point MCPServerStreamableHttp at the MCP URL above — the 5 tools auto-load. Function-calling (Chat Completions / Responses): wire tools to the OpenAPI at /openapi.json. ### Pay-per-call without an API key (x402, USDC on Base L2) GET https://api.ibanforge.com/.well-known/x402 returns the full catalog. Any agent with a Base wallet can discover, pay, and call. ## 5 MCP tools - validate_iban — validate one IBAN + enrich (BIC, issuer EMI/vIBAN, SEPA, VoP, risk, Swiss bc_nummer). Cost: $0.005 - batch_validate_iban — up to 100 IBANs in one call. Cost: $0.002 per IBAN (e.g. 100 = $0.20) - lookup_bic — resolve a BIC/SWIFT into bank, country, city, LEI. Cost: $0.003 - lookup_ch_clearing — Swiss BC-Nummer / IID → institution, address, full rail participation (SIC, euroSIC, CHF instant, L