API archive entry · source-reported
Smartcar
Lock and unlock vehicles and get data like odometer reading and location. Works on most new cars
Other Vehicle APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
BoltPatternHQ
Vehicle wheel fitment, bolt pattern (PCD), offset, and center bore specifications
No auth · HTTPS reported · CORS Yes
Bike Reliability
UK motorcycle reliability ranked by first-time MOT pass rates
No auth · HTTPS reported · CORS Yes
Window Sticker
Original factory Monroney label PDF and full spec decode by VIN
No auth · HTTPS reported · CORS Yes
ProblemsByVin
Owner complaints, recalls and failure-mileage statistics by vehicle make, model and year
No auth · HTTPS reported · CORS Yes
TransparentCars
Fair-price valuation and yearly road tax (IUC) for used cars in Portugal
No auth · HTTPS reported · CORS Yes
WhichTrim
US vehicle recalls, complaints, fuel economy, crash ratings, service bulletins and VIN decoding
API key · HTTPS reported · CORS Yes
How to compare them
Coverage
Compare exact endpoints, fields, geography, history, and update frequency.
Operating cost
Model request volume, caching, overages, support, and migration cost.
Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
Review attribution, redistribution, retention, privacy, and commercial-use terms.
Source reference
This page separates source-reported facts from questions that need live provider verification.