North American VIN check-digit validation (NHTSA standard, position 9) plus WMI
North American VIN check-digit validation (NHTSA standard, position 9) plus WMI manufacturer lookup for a small set of known codes.
Answeringour last check, 2026-10-01
1 of 1checks answered this week
8837 msmedian answer time
$0.002listed price per call
$0.002price it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://x402.agentindex.world/validate/vin
| Category | Everything else |
|---|---|
| Provider host | x402.agentindex.world |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 0 from 0 payers (the provider's figure, not ours) |
Our checks, last 30 days
| Day | Result | HTTP | Asked | Time |
|---|---|---|---|---|
| 2026-10-01 | valid payment request | 402 | $0.002 | 8837 ms |
Example input (from the provider)
{
"body": {
"vin": "1HGCM82633A004352"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"properties": {
"vin": {
"pattern": "^[A-HJ-NPR-Z0-9]{17}$",
"title": "Vin",
"type": "string"
}
},
"required": [
"vin"
],
"title": "VinInput",
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST",
"PUT",
"PATCH"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"properties": {
"country": {
"title": "Country",
"type": "string"
},
"manufacturer": {
"title": "Manufacturer",
"type": "string"
},
"valid_check_digit": {
"title": "Valid Check Digit",
"type": "boolean"
}
},
"required": [
"valid_check_digit",
"manufacturer",
"country"
],
"title": "VinOutput",
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}