# Keyloop Vehicle Hub API Documentation > The definitive API reference for all Vehicle Hub integrations. Each API below is described by a machine-readable OpenAPI 3 spec — fetch the linked `spec.yaml` directly rather than the HTML viewer page, which renders entirely client-side and has no content in its initial response. ## APIs - [Vehicle Hub V3](https://vehiclehub-api-specs.pages.dev/vehicle-hub-v3/spec.yaml): Core inventory, orders, and contacts API. - [Vehicle Hub V3 (Preprod)](https://vehiclehub-api-specs.pages.dev/vehicle-hub-v3-preprod/spec.yaml): Pre-production mirror of the V3 API, for integration testing. - [Vehicle Hub Media](https://vehiclehub-api-specs.pages.dev/vehicle-hub-media/spec.yaml): Assigning images and video to vehicles. - [Vehicle Hub AOS Media](https://vehiclehub-api-specs.pages.dev/vehicle-hub-aos-media/spec.yaml): Triggering the import of images to vehicles from AutosOnShow. - [Vehicle Hub Carwow](https://vehiclehub-api-specs.pages.dev/vehicle-hub-carwow/spec.yaml): Carwow marketplace integration. - [Vehicle Hub CitNOW](https://vehiclehub-api-specs.pages.dev/vehicle-hub-citnow/spec.yaml): Receiving notifications from CitNOW that new vehicle media is available. - [Vehicle Hub GForces](https://vehiclehub-api-specs.pages.dev/vehicle-hub-gforces/spec.yaml): GForces DMS integration. - [Vehicle Hub Polestar](https://vehiclehub-api-specs.pages.dev/vehicle-hub-polestar/spec.yaml): Importing used Polestar vehicles into Vehicle Hub. ## Authentication All APIs above are authenticated via an `AUTH-TOKEN`/`Authorization` header carrying a per-account API key, not cookies, sessions, or subdomain-based resolution. There is no public sandbox — contact us for credentials. ## Contact Questions or credential requests: SalesMasterEngineeringTeam@keyloop.com