Tire Size API & Vehicle Fitment Data for Developers

REST API by Virtual Dimension — Search by Vehicle or Tire Size

Tire Data API Overview — Specs, Fitment & Compatibility

The Tire Size API provides accurate tire specifications, vehicle fitment data, and wheel compatibility details through a simple REST interface. Query by year, make, model, and trim to retrieve tire dimensions, load index, speed ratings, and OE tire sizes for any vehicle. Designed for automotive e-commerce platforms, tire store websites, fleet management systems, and mobile apps, this API delivers real-time JSON responses with comprehensive tire and wheel fitment information. Start with our free plan — no credit card required — and scale as your platform grows.

Get Started with the Tire Size API in Minutes

Create Account

Choose Your Plan

Get Your API Key

Build Your App

Flexible Plans for Tire Stores, Developers & Automotive Platforms

Tire Size API Pricing — Free Plan to Enterprise

All prices are listed in Canadian dollars.

Free

$ 0 / month

Test the tire size API with 300 requests per day. Ideal for prototyping and development — no credit card needed.

300 req / day

100 req / hr

Development only

Community support

FREE TRIAL

No credit card required

Starter

$ 40/ month

For tire stores and apps moving to production. 5,000 daily requests with priority support included.

All included in Free

5,000 req / day

Priority Support

Low traffic

GET STARTED

Business

$ 150/ month

For high-traffic tire e-commerce platforms. 80,000 daily requests, tire search analytics, and dedicated support.

All included in Pro

80,000 req / day

Tire search analytics

Dedicated support

GET STARTED

Pro

$ 70/ month

For growing automotive platforms and fleet systems. 50,000 daily requests with enterprise-grade support.

All included in Starter

50,000 req / day

Enterprise Support

Custom integrations

GET STARTED

Growth

$ 420/ year

Scale your tire fitment integration with higher request limits and dedicated support.

All included in Free

5000 req / month

Basic Support

Low traffic

GET STARTED

Premium

$ 1500/ year

Scale your tire fitment integration with higher request limits and dedicated support.

All included in Enterprise

200,000 req / month

Premium Support

Custom Widget

GET STARTED

Enterprise

$ 700/ year

Scale your tire data integration with enterprise-level request limits and custom support.

All included in Growth

50,000 req / month

Enterprise Support

High Traffic

GET STARTED

Why Choose Our Tire Size & Wheel Fitment API?

Fast & Scalable Tire Data: Built for high-volume production environments, our API delivers sub-second JSON responses so your tire store or automotive app stays responsive under heavy traffic.
Complete Vehicle Fitment Coverage: Access tire specifications for thousands of makes, models, years, and trims — including load index, speed rating, and OE tire sizes.
Easy REST API Integration: A developer-friendly REST interface with clear JSON responses, API key authentication, and interactive documentation to get your first query running in minutes.
Search by Vehicle or Tire Size: Query by year/make/model/trim or by tire width, aspect ratio, and diameter — flexible endpoints for any use case.
Real-Time, Up-to-Date Data: Our tire fitment database is continuously updated to include the latest vehicle models and tire specifications.

Tire Size API Endpoints — Vehicle Lookup, Size Search & Specs

Our REST API provides multiple endpoints for querying tire data, vehicle fitment, and tire specifications by vehicle or tire dimensions.

Search by Tire Size: Provide the width, aspect ratio, and diameter to retrieve detailed tire specifications and compatible vehicle models.
Search by Vehicle Model: Input a vehicle’s make, model, and year to find the recommended tire sizes and specs.
Tire Specification Details: Get detailed technical information about specific tire sizes, including load index, speed rating, and more.

Full API Documentation →

FOR DEVS TEAMS

Find tire sizes and fitment specs for any vehicle by year, make, model, and trim.

Vehicle Fitment Lookup Endpoints

Year

/api/v1/by_vehicle/search_year

Make

/api/v1/by_vehicle/make/?year=2024

Model

/api/v1/by_vehicle/model/?year=2024&make=honda

Trim

/api/v1/by_vehicle/trim/?year=2024&make=honda&model=civic

Tire Size

/api/v1/by_vehicle/tiresize/?year=2024&make=honda&model=civic&trim=ex sedan

$ curl -X 'GET' \ 'https://tire.vdim.app/api/v1/by_vehicle/tiresize/?year=2024 
& make=honda & model=civic & trim=ex sedan'
\ -H 'accept: application/json' \
  -H 'x-api-key: your_generated_api_key'

{
  "data": [
     {
        "model": "Accord"
    },
    {
        "model": "CR-V"
    },
    {
        "model": "Civic"
    },
    {
        "model": "HR-V"
    },
    {
        "model": "Odyssey"
    },
	.
    	.
    	.
    ]
   }

ULTRA-FAST RESPONSE

Query tire fitment data by width, aspect ratio, and rim diameter for an exact size match.

Tire Size Search Endpoints

Width

/api/v1/by_size/search_allwidth

Aspect Ratio

/api/v1/by_size/aspectratio/?width=225

Diameter

/api/v1/by_size/diameter/?width=225&aspectratio=45

{
  "data": [
{
        "aspectratio": "35"
    },
    {
        "aspectratio": "40"
    },
    {
        "aspectratio": "45"
    },
    {
        "aspectratio": "50"
    },
    {
        "aspectratio": "55"
    },
    {
        "aspectratio": "60"
    },
	.
    	.
        .
    ]
   }

$ curl -X 'GET' \ 'https://tire.vdim.app/api/v1/by_size
/aspectratio/?width=225
\ -H 'accept: application/json' \
  -H 'x-api-key: your_generated_api_key'

WIDE ACTIVATIONS

Retrieve tire load index, speed rating, and XL (extra load) data for any vehicle fitment.

Load

/api/v1/by_vehicle/load/?year=2020&make=honda&model=cr-v&trim=ex

Speed

/api/v1/by_vehicle/speed/?year=2020&make=honda&model=cr-v&trim=ex

XL

/api/v1/by_vehicle/xl/?year=2020&make=honda&model=cr-v&trim=ex

{
  "data": [
    {
        "speed": "H"
    }
    ]
   }

$ curl -X 'GET' \ 'https://tire.vdim.app/api/v1
/by_vehicle/speed/?year=2020&make=honda&model=cr-v&trim=ex'
\ -H 'accept: application/json' \
  -H 'x-api-key: your_generated_api_key'

Tire Size API & Vehicle Fitment Data for Developers

Tire Data API Overview — Specs, Fitment & Compatibility

Get Started with the Tire Size API in Minutes

Flexible Plans for Tire Stores, Developers & Automotive Platforms

Tire Size API Pricing — Free Plan to Enterprise

Free

$ 0 / month

Starter

$ 40/ month

Business

$ 150/ month

Pro

$ 70/ month

Growth

$ 420/ year

Premium

$ 1500/ year

Enterprise

$ 700/ year

Why Choose Our Tire Size & Wheel Fitment API?

Tire Size API Endpoints — Vehicle Lookup, Size Search & Specs

Find tire sizes and fitment specs for any vehicle by year, make, model, and trim.

Query tire fitment data by width, aspect ratio, and rim diameter for an exact size match.

Retrieve tire load index, speed rating, and XL (extra load) data for any vehicle fitment.

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