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Vehicle VIN Toolkit – VIN Validation
x402
Vehicle VIN Toolkit – VIN Validation is a paid API for AI agents from vehicle-vin.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).
Validates a 17-character VIN against 49 CFR 565 rules, checking for illegal characters (I/O/Q), correct length, and the position-9 check digit with expected vs actual digit comparison.
Price / call$0.02
Success—
StatusUnknown
How this service works
Validate a VIN: 17 characters, no I/O/Q, and the position-9 check digit per 49 CFR 565, with the expected digit.
Output
Returns a JSON object with a verdict (valid/invalid), whether the check digit is valid, the expected vs actual position-9 check digit, the weighted sum and remainder mod-11, the normalised VIN, the WMI, geographic region, a human-readable summary, an array of reasons for any failures, a list of checks not performed (notChecked), a degraded flag indicating if the service ran in reduced capacity, and a disclaimer.
Example use cases
Used car purchase VIN check
“I'm about to buy a used Honda and the seller gave me VIN 1HGCM82633A123456 — can you validate it and tell me if the check digit at position 9 is correct and there are no illegal characters?”
Automotive data pipeline validation
“Before I import this batch record, can you verify that VIN 3VWFE21C04M000001 passes the 49 CFR 565 standard, including the mod-11 check digit test?”
Detecting fraudulent VIN on insurance claim
“An insurance claim came in with VIN 1FTFW1ET5DFC10312 — please validate it fully, check the position-9 check digit, and flag any reasons it might be invalid or suspect.”
Technical details
Endpoint
GEThttps://vehicle-vin.x402tookit.com/vin-validate?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need a fast, standards-compliant structural validation of a VIN per 49 CFR 565 — including the mod-11 check digit calculation — without requiring a full NHTSA decode. It is ideal for pre-filtering bad or fraudulent VINs before passing them to a more expensive decode endpoint, or for validating user-submitted VINs in real time.
Side effects
- VIN shorter or longer than 17 characters returns invalid verdict with length reason
- VIN containing illegal characters I, O, or Q returns invalid with character reason
- Check digit mismatch returns invalid verdict with expected vs actual digits shown
- Missing or empty vin query parameter returns error
- Malformed request returns HTTP 4xx
- Service degraded mode may skip some checks and set degraded:true with notChecked list
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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