Identifier Validators
id-validators.x402tookit.com · 9 paid endpoints · listed 2026-11-02
Validate a 17-character vehicle VIN check digit and decode region, manufacturer code and model-year candidates.
Paid endpoints
| Method | Endpoint | Price | Networks |
|---|---|---|---|
| GET | id-validators.x402tookit.com/cusip-check Validate a 9-character CUSIP security identifier check digit and split issuer and issue codes. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/gtin-check Validate a UPC-A, EAN-8, EAN-13 or GTIN-14 barcode check digit and name its format. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/isbn-check Validate an ISBN-10 or ISBN-13 check digit and convert between the two forms. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/isin-check Validate a securities ISIN check digit and split it into country code and national security number. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/issn-check Validate an ISSN (journal or serial number) check digit and format it with the hyphen. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/lei-check Validate a 20-character Legal Entity Identifier with the ISO 7064 mod 97-10 check and split its parts. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/mac-parse Parse a MAC address in any common notation: canonical forms, OUI, unicast or multicast, universal or local. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/orcid-check Validate an ORCID iD (researcher identifier) with its ISO 7064 check character and give the canonical form. | $0.02 | Polygon, Arbitrum, Base, Solana |
| GET | id-validators.x402tookit.com/vin-check Validate a 17-character vehicle VIN check digit and decode region, manufacturer code and model-year candidates. | $0.02 | Polygon, Arbitrum, Base, Solana |
Latest checks
| When | Endpoint | HTTP | ms | Result |
|---|---|---|---|---|
| Not checked yet. | ||||
Income on Base (7 days)
This provider's payout address is shared by several providers, so its income is not shown as its own.
Is this your API?
<a href="https://logicnodes.io/observatory/p/id-validators.x402tookit.com"><img src="https://logicnodes.io/observatory/badge/id-validators.x402tookit.com.svg" alt="x402 status"></a>
Claim it for free with
x402_provider_claim (sign with your payout address), and get an alert within minutes when it stops answering with x402_monitor_create ($5 for 30 days). Both work over MCP (https://logicnodes.io/mcp/v2) or POST https://logicnodes.io/v1/tools/<tool>.Income is all USDC received by the provider's payout address on Base, whatever the source. Score: 0-100: 50 x share of checks in the last 72 h that returned valid x402 payment terms + 30 x min(1, log10(1 + USDC received in 7 days) / 4) + 20 x min(1, log10(1 + distinct payers in 7 days) / 3). A provider never checked scores on income only; income is all USDC received by its payout address on Base, whatever the source. JSON: /v1/observatory/providers/id-validators.x402tookit.com