Public REST API & API Keys

FitmentPro provides a public REST API (v1) for integrating vehicle fitment data with external systems, headless storefronts, or custom applications.

The REST API requires the Pro plan or higher.

Endpoint	Method	Description
`/api/v1/brands`	GET	List all vehicle brands
`/api/v1/models`	GET	List models for a brand
`/api/v1/variants`	GET	List variants for a model
`/api/v1/platforms`	GET	List platforms
`/api/v1/years`	GET	List production years
`/api/v1/fitment`	GET	Get fitment rules for a product

Include your API key in the Authorization header:

Authorization: Bearer your-api-key-here

A full OpenAPI (Swagger) spec is available at:

/api/v1/openapi.json

Use this with tools like Postman or Swagger UI for interactive documentation.

API calls are subject to fair-use rate limiting. Contact support if you need higher limits.