The 411 Network
Nine specialized sites, one comprehensive source for automotive specifications.
Complete towing and payload capacity specs for trucks, SUVs, and crossovers.
OEM tire sizes, fitments, and plus sizing options for every vehicle.
Wheel bolt patterns, lug specifications, and wheel compatibility data.
Engine oil capacities, types, and viscosity recommendations.
Motorcycle specifications, horsepower, torque, and dimensions.
Wiper blade sizes for driver, passenger, and rear windows.
Automotive bulb fitments for headlights, taillights, and more.
Car battery group sizes, CCA ratings, and fitment guides.
411 API
Access our entire vehicle specification database programmatically. Built for developers, automotive apps, and data-driven businesses.
- 100,000+ vehicle records across all spec types
- RESTful JSON API with filtering and pagination
- Global edge deployment via Cloudflare (~200ms response)
- Free tier available for testing and small projects
GET /v1/towing?make=Ford&model=F-150&year=2024
// Response
{
"make": "Ford",
"model": "F-150",
"year": 2024,
"max_towing_lbs": 14000,
"max_payload_lbs": 3325,
"engine": "3.5L V6 EcoBoost"
}
Powering Automotive Apps & Websites
From dealer inventory systems to consumer apps, the 411 Network provides the specification data that powers better automotive experiences.
Bulk Data Licensing
Download complete datasets for offline use in your applications.
API Integration
Real-time access to specs with enterprise SLAs and support.
Custom Solutions
White-label data products tailored to your specific needs.