Bring a Trailer completed auctions API

Endpoint facts

Method

GET

API path

/bringatrailer/results

Auth

apiKey

Credits

1 credit/request

Charged on

Successful 2xx responses only

Platform

Bring a Trailer

Response schema

#/definitions/bringatrailer.resultsResponseDoc

How this endpoint behaves

Pages through Bring a Trailer's (bringatrailer.com) archive of completed collector-vehicle auctions: about 270,000 listings with their final bid and a sold or reserve_not_met result. Every parameter is optional and they combine as an AND.

make is a make name exactly as listed by bringatrailer-makes (for example Porsche). model_id is a numeric models[].model_id from the same endpoint. The two are mutually exclusive: a make filters by keyword text and a model by its keyword-page id, which is why a model id cannot be guessed.

q is a keyword that must appear in the listing and exclude a keyword that must not. Both are at most 100 characters.

category, era and origin take comma-separated ids from bringatrailer-filters (the oldest decade bucket has the id pre-1900, not a number) (categories[].id, eras[].id, origins[].id), for example category=434,560. country takes comma-separated ISO 3166-1 alpha-2 codes from regions[].countries[].id. An unknown category, era or origin id returns zero results; an unknown country is rejected with 400.

result is sold or unsold (reserve not met). type is premium or noreserve. recency is the closing window: 7D, 30D, 1Y, 2Y or 5Y (omit for all time). min_year and max_year bound the model year (1885 to 2100) and max_bid is a maximum final bid in USD.

sort is recent (default), oldest, popular or highest_bid. page is 1-based (1 to 10000) and per_page is 10 to 50 (default 36).

Notable response behavior:

• status is sold, reserve_not_met, withdrawn (BaT pulled the auction) or ended (an old auction with no sale record, for example Auction closed on 8/13/2014); result_text is the site's own wording (for example Sold for USD $127,000 on 11/1/2026) and ends_at is the close time in UTC.
• Archive rows do not carry year, era, categories or country; those fields appear only on live auctions (bringatrailer-live) and are omitted here. Use bringatrailer-listing for full detail.
• model_ids are the keyword-page ids the listing is tagged with and can be passed back as model_id.
• Zero matches return total: 0 and auctions: [], not an error. Requesting a page past the last one also returns total: 0 (the upstream reports no total there), so use total_pages from an earlier page to know where the archive ends.
• price is 0 when no bid is recorded (old auctions, withdrawn auctions).
• The upstream asks crawlers to wait one second between requests (robots.txt Crawl-delay: 1); callers paging in a loop should pace themselves.

Sampled response

Request, 5 Nov 2026

GET /bringatrailer/results?make=Porsche&result=sold&per_page=40

Items in auctions

40

Fields filled in every checked item

15

Shared guides

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