Try any of 2778 endpoints — live.
Pick an endpoint, load a working example, tweak the params, and send — no signup to try. Results render the way the data deserves; raw JSON, headers & code are one tab away.
One ThredUp listing in full by item number: everything the search row carries plus ThredUp's per-garment attribute block (fit, pattern, neckline, sleeve length, stretch, jean wash, rise, heel height where the category has them), the dropshipper and authenticity certificate when there is one, the partner description, and ThredUp's own sustainability estimate for the item, and - for a listing sold by an individual ThredUp seller - the seller block, which exists ONLY here and is null on every search row. A listing that has already sold is returned with `listing_state: purchased` - that is an answer, not an error. An item number ThredUp does not know returns NOT_FOUND and is not retried.
curl -X POST https://api.reefapi.com/thredup/v1/item/detail \
-H "x-api-key: $REEF_KEY" \
-H "content-type: application/json" \
-d '{"item_number":"236140020"}'Hit Send to run this endpoint live.
What you can run here, without an account
ReefAPI is one HTTP gateway to 438 live web-data APIs covering 2778 endpoints across 14 categories. Every endpoint answers with the same JSON envelope, so one integration reaches all of them. Each response reports what it cost and when the source was read.
No signup, no API key and no card are required to try an endpoint on this page. Anonymous calls run on a shared demo key, capped at 15 calls per hour per visitor. Pick an API, fill the parameters and the real response comes back from the live source, not from a canned sample. A free account lifts the cap and gives you 1,000 credits and your own key.
Browse every API in the catalog, read an endpoint's fields and example response in the docs, or see per-call credit costs on the pricing page.
Coverage by category
| ecommerce | 191 |
| classifieds | 99 |
| media | 25 |
| real-estate | 21 |
| utilities | 19 |
| developer-tools | 18 |
| jobs | 17 |
| reviews | 15 |
| social | 12 |
| travel | 9 |
| finance | 5 |
| other | 3 |
| search-seo | 2 |
| government | 2 |