Best Classifieds & Second-hand APIs (2026)
Best Classifieds & Second-hand APIs (2026) are ReefAPI category hubs for live JSON: classifieds & second-hand APIs return structured data for developer workflows. ReefAPI offers 4 non-legal classifieds & second-hand APIs behind one key, one credit pool and the same { ok, data, meta, error } envelope, with examples derived from the catalog and committed live snapshots.
Ranked Classifieds & Second-hand API list
Ranked by catalog action count, then alphabetically for ties; legal-heavy engines are excluded.
| # | Engine | What it returns | Actions | Snapshot sample | Free tier | Landing |
|---|---|---|---|---|---|---|
| 1 | OLX API scraper | offers[] (normalized, promoted slots filtered), search_id, total, has_more, next_offset | 10 | offers: 1081526056; search_id: 962E2CE19D73E182BF16D6811490C523 | yes | View API |
| 2 | Kleinanzeigen API scraper | listings[] (adid, title, price, location, images, seller_type, posted_date), total, page, has_m... | 8 | title: Suche IPhone 14 - 17 Pro Max oder Samsung S24 - s26 Ultra; location: Tempelhof | yes | View API |
| 3 | AutoScout24 API | listings[] (priceEvaluation + superDeal per card), page, total, total_pages, has_more, next_page | 7 | location: DE | yes | View API |
| 4 | Marktplaats API | listings[] (price, condition, location, seller, images), facets, total, offset, has_more, next_... | 4 | title: iPhone SE (2022) 64 GB Zwart - Goede Conditie; price: 0 | yes | View API |
What each Classifieds & Second-hand API covers
OLX API scraper includes 10 actions (search, count, locations). OLX API scraper The primary catalog return is offers[] (normalized, promoted slots filtered), search_id, total, has_more, next_offset.
Kleinanzeigen API scraper includes 8 actions (search, listing, similar). Kleinanzeigen API scraper The primary catalog return is listings[] (adid, title, price, location, images, seller_type, posted_date), total, page, has_m....
AutoScout24 API includes 7 actions (search, listing, makes). AutoScout24 API The primary catalog return is listings[] (priceevaluation + superdeal per card), page, total, total_pages, has_more, next_page.
Marktplaats API includes 4 actions (search, listing, categories). Marktplaats API The primary catalog return is listings[] (price, condition, location, seller, images), facets, total, offset, has_more, next_....
Questions about Classifieds & Second-hand APIs
Which Classifieds & Second-hand API is free?
Every Classifieds & Second-hand API listed here can be tried with ReefAPI's free tier: 1,000 credits on signup, no card required. The current hub includes OLX API scraper, Kleinanzeigen API scraper, AutoScout24 API, Marktplaats API.
Do these Classifieds & Second-hand APIs need login?
No source-site login is needed for the listed ReefAPI responses. You call ReefAPI with an x-api-key header, and each engine returns the standard JSON envelope.
How fresh is the Classifieds & Second-hand data?
Production requests fetch live data through ReefAPI. The table's sample data point comes from the committed snapshot for each engine, and the sitemap uses catalog freshness for recrawling.
What is the best Classifieds & Second-hand API to start with?
OLX API scraper appears first because this hub ranks engines by action count, then alphabetically for ties. Use that as a coverage signal, then choose the API whose returned fields match your workflow.