# VinAudit, free: VIN decoder API

> Decode any VIN into 40+ structured attributes, including year, make, model, trim, engine, drivetrain, fuel type, and MSRP, returned in a single structured response

VinAudit's VIN decoder API on its Trial plan. It costs $0.00 per 1,000 VINs. It returns 7 of the 8 key fields we check: Type, Engine, Fuel, Drivetrain, Size and weight, Driver assists, Plant.
We rank 47 plans by price. [API Ninjas's $299 monthly plan](https://datacircle.dev/vin-decoder-apis/api-ninjas/299-monthly/llms.txt) is the cheapest paid plan per 1,000 VINs: $0.03.
[VINquery's $180 pack](https://datacircle.dev/vin-decoder-apis/vinquery/180-pack/llms.txt) covers any number of VINs. VINquery's $180 pack costs less to start than API Ninjas's $299 monthly plan.
[NHTSA](https://datacircle.dev/vin-decoder-apis/nhtsa/free-get-api-vehicles-decodevinvalues-vin/llms.txt), [CarsXE](https://datacircle.dev/vin-decoder-apis/carsxe/49-monthly-starter-get-specs/llms.txt) and [Auto.dev](https://datacircle.dev/vin-decoder-apis/auto-dev/299-monthly-growth-get-vin-vin/llms.txt) are the best VIN decoder API providers in our benchmark.

- This page: https://datacircle.dev/vin-decoder-apis/vinaudit/free
- [Best VIN decoder API in 2026: pricing compared](https://datacircle.dev/best-vin-decoder-api.txt)
- Get it: https://data.vinaudit.com/pricing
- Request: `GET https://specifications.vinaudit.com/v3/specifications`
- API key: with the plan, on https://data.vinaudit.com/pricing
- Its API docs: https://data.vinaudit.com/docs/api/vin/decoder
- Sold by: VinAudit (https://www.vinaudit.com)
- Checked: 2026-10-30

## In the answer

- Completeness: 88%
- Type: ✓
- Engine: ✓
- Fuel: ✓
- Drivetrain: ✓
- Size and weight: ✓
- Driver assists: ✓
- Plant: ✓

## Price

- $ per 1,000 VINs: $0.00
- Per: call
- Billing: free

## Charges

- Also pays for: nothing else

## Overage

- Units cap: hard

## Not found

- $ per 1,000: $0.00

## In their words

- Their pitch: Decode any VIN into 40+ structured attributes, including year, make, model, trim, engine, drivetrain, fuel type, and MSRP, returned in a single structured response

## Data

- Keep data: 30 days
- Use data: Subject to these Terms and payment of all applicable fees, VinAudit grants Customer a limited, non-exclusive, non-transferable, non-sublicensable, revocable license during the applicable access period to access and use the Services and the data made available through them solely for Customer's own internal business purposes, and not for resale, redistribution, sublicensing, or providing the Services or data to any third party except as expressly authorized in writing by VinAudit. [...] Unless VinAudit has expressly authorized otherwise in a separate written agreement signed by an authorized VinAudit representative, Customer shall not, and shall not permit any third party to: sell, resell, license, sublicense, assign, transfer, distribute, redistribute, publish, republish, disclose, or otherwise make any Service or VinAudit data available to any third party, use the Services or VinAudit data for the benefit of any third party except as expressly authorized by VinAudit in writing, use the Services or VinAudit data for any service bureau, hosted pass-through, white-label, proxy, marketplace, public search tool, or other third-party access model, scrape, crawl, harvest, bulk extract, or otherwise collect data from the Services except through VinAudit's expressly authorized APIs, feeds, or tools and only within purchased or permitted usage limits, permit mass downloads, bulk exports, or bulk feeds of any VinAudit data except as expressly authorized by VinAudit in writing, create, compile, maintain, or distribute any dataset, database, benchmark, or product that is substantially similar to, competitive with, or a substitute for VinAudit's data or Services, use the Services or VinAudit data in any manner that competes with VinAudit or serves as a substitute for VinAudit's products, services, or data offerings, or assist any third party in doing so, use the Services or VinAudit data to train, fine-tune, validate, improve, or otherwise support any artificial intelligence, machine learning, large language model, foundation model, or similar system, reverse engineer, decompile, disassemble, decode, adapt, or otherwise attempt to derive source code, methods, or underlying structure of the Services, except to the limited extent prohibited by law, remove, obscure, or alter any copyright, trademark, proprietary, attribution, disclaimer, or other notices associated with the Services or VinAudit data, or use the Services or VinAudit data for any unlawful, fraudulent, deceptive, abusive, or unauthorized purpose.

## Plan

- Pay: $0
- You get: 100 requests
- Enough for: 100 calls, once

## Rate limit

- Batch: 1

## Speed

- Answer: in the call

## The call

- You send: vin. Optional: include, format
- Method: GET
- Path: /v3/specifications

## About the plan

- Plan: Trial
- Who can get it: anyone evaluating the Services for business use, an individual developer included

## The 43 fields the plan's answer can hold

VIN, year, make, model, trim, trim selections, style, style selections, vehicle type, vehicle size, category, assembly country, assembly city, doors, fuel type, fuel capacity, city mileage, highway mileage, engine, engine size, engine cylinders, transmission, transmission type, transmission speeds, drivetrain, anti-lock brake system, steering type, curb weight, gross weight, gross vehicle weight rating, overall height, overall length, overall width, wheelbase length, standard seating, invoice price, delivery charges, manufacturer suggested retail price, equipment, colors, recalls, warranties, photos

## VinAudit's plans (3)

- [VinAudit, free](https://datacircle.dev/vin-decoder-apis/vinaudit/free/llms.txt): $0.00 per 1,000, 88% complete
- [VinAudit, $100 monthly](https://datacircle.dev/vin-decoder-apis/vinaudit/100-monthly/llms.txt): $100.00 per 1,000, 88% complete
- [VinAudit, contact us](https://datacircle.dev/vin-decoder-apis/vinaudit/contact-us/llms.txt): 88% complete

## VinAudit's calls (1)

- `GET /v3/specifications`: [VinAudit, free](https://datacircle.dev/vin-decoder-apis/vinaudit/free/llms.txt)

## VinAudit's APIs (1)

- [VinAudit: VIN decoder API pricing, 3 plans](https://datacircle.dev/vin-decoder-apis/vinaudit/free/llms.txt)

## VinAudit: VIN decoder API alternatives

- [MarketCheck, $749 monthly, Standard, GET /v2/decode/car/neovin/{vin}/specs](https://datacircle.dev/vin-decoder-apis/marketcheck/749-monthly-standard-get-v2-decode-car-neovin-vin-specs/llms.txt): $80.00 per 1,000, 75% complete, 1 day
- [Cardog, $10 pack, 250 credits, GET /v2/vin/{vin}](https://datacircle.dev/vin-decoder-apis/cardog/10-pack-250-credits-get-v2-vin-vin/llms.txt): $80.00 per 1,000, 63% complete
- [Auto.dev, $299 monthly, Growth, GET /build/{vin}](https://datacircle.dev/vin-decoder-apis/auto-dev/299-monthly-growth-get-build-vin/llms.txt): $100.00 per 1,000, 25% complete
- [VINquery, $1,000 pack, Basic 10,000 decodes (BAS-VLP-10K)](https://datacircle.dev/vin-decoder-apis/vinquery/1000-pack-basic-10000-decodes-bas-vlp-10k/llms.txt): $100.00 per 1,000, 88% complete

## Sources

From each provider's own pricing page and docs, and from what providers tell us. We read this row from these pages on 2026-10-30.

- https://data.vinaudit.com/docs/api/vin/decoder
- https://data.vinaudit.com/pricing
- https://data.vinaudit.com/terms
- https://data.vinaudit.com/vin-decoder-api