hergertsynthora.com

https://ibancheck.hergertsynthora.com

● healthy general

Validate any IBAN deterministically: ISO 13616 mod-97 checksum, country + length registry check, BBAN and bank-code extraction, canonical formatting. Zero external dependencies, no hallucination, always available. Use it to validate a bank account before initiating a SEPA/international payment. Ed25519-signed. 0.001 USDC on Base. First 3 calls FREE per wallet — send header X-WALLET: 0x<your Base address> (no payment); then per call. -- reliability 81.68768310546875/100 per Paygent Discover

How to call

cURL · x402-fetch / x402-axios will auto-handle 402

curl -X POST https://ibancheck.hergertsynthora.com

/.well-known/x402.json

https://ibancheck.hergertsynthora.com/.well-known/x402