Try any of 1536 endpoints — live.

The parts that FIT one exact car, in one part category — the question this API exists to answer. Give a `category` (from the `categories` action, or better from the `categories[]` that a `vehicle_lookup` on your vehicle returns) plus the full vehicle: `maker` + `model` + `generation` + `vehicle`, or a single `vehicle_url`. You get Autodoc's own fitment listing — every brand that makes that part for that car, with price, RRP, rating, review count, the manufacturer's part number, the key specifications and the image — 20 per page. THE VEHICLE IS NOT OPTIONAL, and that is Autodoc's data model rather than a limit of this API: a parts list only exists for one exact engine variant. Autodoc's category page, maker page, model page and generation page are all real pages that carry NO product listing whatsoever (measured: 0 parts at every level above the engine variant, 20 at it). Omitting the vehicle returns MISSING_PARAM rather than an empty result set that would cost you a call and tell you nothing. `market` decides which storefront is priced: `uk` (GBP) or `de` (EUR). The same vehicle and the same category work on both — what changes is the price, the currency and the language of the copy.