dev.workers.yuechenxi-importexport.identifier-validator-api/identifier-validator · v1.0.0 · health-and-science
Identifier Validator + Stablecoin Peg Verdict is healthy: it completed an MCP handshake in 1402 ms and exposes 8 tools.
Offline IBAN/BIC/EU VAT/card/ISBN/GTIN validators + live USD stablecoin peg-health verdict.
Endpoint: https://identifier-validator-api.yuechenxi-importexport.workers.dev/mcp (streamable-http)
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| Users (last 30 days) | 0 |
| Handshake | Healthy |
| Auth needed | None |
| Tool count | 8 |
| Latency | 1402 ms |
| Last checked (UTC) | 2026-10-31T13:25:23.947Z |
| Checked (UTC) | Status | Latency | Error |
|---|---|---|---|
| 2026-10-31T13:25:23.947Z | Healthy | 1402 |
validate_iban | Validate an IBAN offline: country rules, length, BBAN structure, mod-97 checksum. Returns validity, country, SEPA flag and formatted IBAN. Structural check only: cannot tell whether the account exists. |
validate_bic | Validate a BIC/SWIFT code structure (8 or 11 chars), country, location and branch code. |
validate_vat | Validate an EU/EEA (plus GB, NO, CH and more) VAT number format and checksum offline. Does not check VIES registration status. |
validate_card | Luhn check and network detection (Visa, Mastercard, Amex, Discover, Diners, JCB, UnionPay, Maestro, Mir). Returns masked output only; nothing is stored. |
validate_isbn | Validate ISBN-10 or ISBN-13 check digit and convert between the two. |
validate_gtin | Validate GTIN-8/12/13/14 (EAN/UPC barcode) check digit. |
validate_batch | Validate up to 25 mixed identifiers (iban, bic, vat, card, isbn, gtin) in one call. |
stablecoin_peg_verdict | Live peg-health verdict for USD stablecoins: PEGGED / WATCH / DEPEG_RISK / DEPEGGED, 0-100 risk score, price deviation in bps, 1d/7d/30d supply change and per-chain liquidity, computed from DefiLlama (cached 5 min). Free tier: 30 calls/hour per client; for unlimited use pay per call via x402 (USDC o |