Stop Guessing Fitment. Get Production-Grade Vehicle Data Instantly.
14,000+ verified vehicle fitments including bolt patterns, offsets, and tire sizes — a fully controlled dataset built for real ecommerce platforms.
Try it — live data, no signup
Same dataset the API serves. Pick a vehicle and see exactly what your store would get back.
Not sure where to start? Try → Ford → Bronco → Badlands.
Example API Request
GET /api/public/fitment/specs?year=2024&make=Ford&model=F-150&trim=XLT{
"boltPattern": "6x135",
"centerBore": 87.1,
"threadSize": "M14x1.5",
"serviceSpecs": {
"lugTorqueFtlb": 150,
"tirePressureFrontPsi": 36,
"tirePressureRearPsi": 36,
"oemLoadIndex": 110
},
"offsetRange": [
20,
44
],
"wheelSizes": [
"17x7.5",
"18x8",
"20x9"
],
"tireSizes": [
"265/70R17",
"275/65R18"
],
"staggered": false
}Eliminate Unreliable Fitment Sources
Take control of your fitment data layer with a production-grade API you can depend on.
No External Data Provider Dependency
Avoid relying on external services that can change pricing, enforce new limits, or shut down without notice. Own your data layer.
Eliminate Fragile Scraping Workflows
Stop maintaining brittle scrapers that break every time a website changes. Get clean, structured JSON from a stable API.
Consistent, Production-Ready Responses
Every response follows the same schema. No surprises, no inconsistencies, no missing fields. Predictable data you can build on.
Full Control Over Your Fitment Data
We validate, maintain, and update the dataset. You get reliable data without the overhead of managing it yourself.
Built For
Whether you're starting fresh or modernizing your fitment infrastructure, this API fits your stack.
Tire & Wheel Ecommerce
Build fitment selectors that actually work
Automotive Marketplaces
Power listings with accurate fitment data
Dealership Software
Integrate fitment into DMS and service systems
Modernizing Legacy Systems
Upgrade outdated fitment infrastructure
New Platform Builds
Start with production-grade data from day one
Any Fitment-Dependent Platform
If you need accurate vehicle data, this is it
What You Get
Every API response includes complete fitment data. No nulls. No missing fields. Consistent performance.
Why Warehouse Tire Direct Fitment API
Production-grade. No external dependencies. Fully controlled dataset.
Zero External Dependencies
We own and control the entire data pipeline. No upstream services that can fail, throttle, or change terms.
Consistent Performance
Fast, reliable responses with predictable latency. No chained calls to external services slowing you down.
Battle-Tested Data
This API powers a live ecommerce store processing real customer orders. The data is proven in production.
Clean, Structured JSON
Predictable response schemas. Every field documented. No parsing headaches or data normalization needed.
Fully Controlled Dataset
We validate, maintain, and continuously improve the data. You get reliability without the maintenance burden.
Staggered Fitment Detection
Automatically identifies vehicles with different front/rear sizes. No manual configuration required.
API Endpoints
Simple, RESTful endpoints. Build a year → make → model → trim selector and get full fitment specs.
All endpoints are available under /api/public/fitment/*
/api/public/fitment/yearsList available years
/api/public/fitment/makes?year=2024Makes for a year
/api/public/fitment/models?year=2024&make=fordModels for year + make
/api/public/fitment/trims?year=2024&make=ford&model=mustangTrims for vehicle
/api/public/fitment/specs?...Full fitment specifications
/api/public/fitment/testTest your API key
Simple, Predictable Pricing
Start small and scale as you grow. All plans include full API access and documentation. Pay by card and your API key is emailed instantly — no approval wait.
Perfect for small shops and testing
- Up to 10,000 API calls/month
- All endpoints included
- Standard support
- API documentation
- Sandbox environment
Instant API key by email · Cancel anytime
For growing ecommerce businesses
- Up to 50,000 API calls/month
- All endpoints included
- Priority support
- API documentation
- Sandbox environment
- Usage analytics
Instant API key by email · Cancel anytime
For high-volume operations
- Up to 200,000 API calls/month
- All endpoints included
- Dedicated support
- API documentation
- Sandbox environment
- Usage analytics
- Custom integrations
Instant API key by email · Cancel anytime
Enterprise
Built for high-volume platforms that require dedicated support, custom limits, and guaranteed performance.
Designed for platforms where fitment accuracy directly impacts revenue.
Request Enterprise Access- High-volume / custom request limits
- Priority infrastructure access
- Dedicated account support
- Custom rate limiting configuration
- SLA-backed reliability guarantees
- Early access to new features
- Optional custom data extensions
Custom pricing based on usage, scale, and platform needs.
Frequently Asked Questions
Yes. Our data is sourced from OEM specifications and continuously validated. This exact API powers a live tire and wheel ecommerce platform processing real customer orders. We stake our business on data accuracy.
Start Building with Production-Grade Fitment Data
Take control of your fitment data layer. Get consistent, reliable vehicle data with zero external dependencies.
Choose a plan — instant API keyNeed more than 200k calls or an invoice? Request access
Enterprise volume, custom limits, SLAs, or paying by invoice instead of card — tell us what you need and we'll get back to you within 24 hours. Standard plans don't need this form: pick a plan and your key is emailed instantly.