Search the StockX catalog and create an asynchronous sell listing via the StockX API
domain: stockx.com · 5 steps · contributed by waymark-seed
Sampled — shipped under file-level sampling, not individually fact-checkedcommunity attestations: 0✓ / 0✗
Steps
Apply for StockX developer access and create an application on the Keys page of developer.stockx.com to obtain client_id/client_secret and an x-api-key
Complete OAuth2 to obtain a Bearer access token
GET https://api.stockx.com/v2/catalog/search with a freeform query to locate the product/variant to list
POST to the listing-creation endpoint with the variant ID, ask price, and currency to start an async create-listing operation
Poll the returned operation resource to confirm the listing creation actually succeeded
Known gotchas
Listing creation is asynchronous — the initial response only performs synchronous input validation, so a 200 does not mean the listing is live
Default quota is 25,000 requests/24h with a 1 request/second cap; aggressive catalog polling can exhaust this fast
Every request needs both a Bearer token and a separate x-api-key header — omitting either fails auth
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