{"slug":"x402-filings-datalayer-workers-dev-v1-apps-lookup-28c551","title":"App Store listing data for any app on any storefront","host":"x402-filings.datalayer.workers.dev","method":"GET","resource":"https://x402-filings.datalayer.workers.dev/v1/apps/lookup","category":"commerce","description":"App Store listing data for any app on any storefront: current and all-time star ratings with review counts, version, release notes, size, price, content rating, genres and release dates. Includes a version-sentiment read comparing the current version's rating against its all-time average, which is h","price_listed":0.01,"price_asked":0.01,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":32,"reported_calls_30d":2,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"appId":"284882215","country":"us","limit":10,"search":"duolingo"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"properties":{"appId":{"description":"Numeric App Store id. Either appId or search is required.","examples":["284882215"],"type":"string"},"country":{"description":"Two-letter storefront. Default us.","examples":["us"],"type":"string"},"limit":{"description":"Max apps when searching, 1-25. Default 10.","examples":[10],"type":"integer"},"search":{"description":"App name to search for instead of an id.","examples":["duolingo"],"type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-10-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.01,"price_match":true,"latency_ms":32,"error":null}],"description_full":"App Store listing data for any app on any storefront: current and all-time star ratings with review counts, version, release notes, size, price, content rating, genres and release dates. Includes a version-sentiment read comparing the current version's rating against its all-time average, which is how you spot a release that damaged an app. Look up by numeric App Store id or search by name.","last_updated":"2026-10-23T17:44:47.724Z","schemes":["exact"]}