Faster Vehicle Data Integration for Software Developers
One Auto API is the fastest way for software teams to integrate trusted, AI‑ready vehicle data into their projects. We remove the complexity of accessing data from multiple data providers with inconsistent schemas—so you can focus on building, not sourcing and mapping data.
Unmatched Breadth of Vehicle Data
Access a comprehensive range of vehicle data through a single, unified API:
Vehicle identification
Vehicle history
OE build data & digital service records
Detailed vehicle specifications
EV data
Valuations
Market Inventory
Vehicle imagery
We aggregate and normalise multiple sources of data, mapping them to our common data dictionary for faster integration.
Common Standards for Speed & Simplicity
All endpoints share a common data dictionary and response statuses, ensuring uniform behaviour across data sources, minimising integration time and ongoing maintenance effort.
Built by Developers, for Developers
Best-in-class documentation
Intuitive, self-describing field names
SDK in 30+ languages
Easy-to-interpret, exportable audit log
AI-Ready by Design
Machine readable documentation and fine-grained API permissions enable you to easily leverage AI coding tools with all the controls you need.
Implementation Consultancy
Free access to our vehicle data experts, helping you:
Choose the right datasets for your use case
Design cost-efficient and effective integration patterns
Avoid common pitfalls
Think of us as an extension of your team—from first request to production launch.
Simple Commercial Model
Built to get you to production fast - One Auto API is trusted by software teams and agencies who need reliability, scale, and speed.
Start coding immediately with free sandbox access
Pay-as-you-go access to live data for proof-of-concepts
Scalable, volume-based pricing for production workloads
No need to manage multiple APIs, contracts, or volume commitments
One platform, one API, one monthly invoice - all the data
Start building with One Auto API today.
Book a call to see how One Auto API can support your next project
Sign Up for a FREE API Account
Sign up for an account to test our API for FREE. Get access to online documentation, create API keys and make test calls to our sandbox before starting to use live data.