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Vindex Vehicle Purchase Cost Calculator
x402
Vindex Vehicle Purchase Cost Calculator is a paid API for AI agents from api.vindexapi.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).
Calculates itemized drive-away costs (taxes, fees) for a vehicle purchase in a given US state or Canadian province
Price / call$0.02
Success—
StatusUnknown
How this service works
VIN decode, recalls, reliability, known issues, and drive-away costs across the US and Canada. Pay per call in USDC via x402 — no accounts, no API keys.
Output
Returns an array of itemized cost lines (taxes, registration fees, etc.) each with an ID, human-readable label, amount in the jurisdiction's currency, a source URL, and a confidence rating. Also returns the country, province or state, total of all known costs, and the date the rules were last updated.
Example use cases
Ontario dealer purchase cost breakdown
“I'm buying a $45,000 SUV from a dealer in Ontario — what are all the taxes and fees I'll owe at the time of purchase, broken down line by line?”
Texas private sale with trade-in
“I'm doing a private sale in Texas for a car priced at $18,500, and I'm trading in my old car worth $4,000 — how much will I actually owe in taxes and fees?”
BC family gift vehicle transfer
“My parents are gifting me their car in British Columbia — I already have plates. What purchase costs or taxes apply, and does the family gift exemption kick in for a private sale?”
Technical details
Endpoint
GEThttps://api.vindexapi.dev/v1/purchase-costsWhen to prefer
Use this endpoint when you need a structured, per-jurisdiction breakdown of all taxes and fees that make up the drive-away cost of a vehicle purchase in the US or Canada. It is purpose-built for automotive transactions, covering both private and dealer sales, trade-in tax credits, family gift exemptions, and plate-dependent fee variations — making it more accurate than generic tax calculators for vehicle purchases.
Side effects
- Missing required 'state' when country=US — returns validation error
- Missing required 'province' when country=CA — returns validation error
- Price out of range (<=0 or >5,000,000) — returns validation error
- trade_in provided for Canadian transaction — ignored or rejected
- local_rate out of 0–15 range — returns validation error
- family_gift applied to a dealer sale — returns validation error or ignored
- Unsupported province/territory code — returns validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"lines": [
{
"id": "rst",
"label": "Retail Sales Tax (13%)",
"amountCad": 3250,
"sourceUrl": "https://www.ontario.ca/",
"confidence": "high"
}
],
"country": "CA",
"province": "ON",
"rulesAsOf": "2026-07-04",
"provinceName": "Ontario",
"totalKnownCad": 3282
}
}Tags
x402
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