{"uid":"cap_kVUJvXqTWSsAObF_Wk34t","slug":"delx-commerce-query-parameter-picker-4aff3c41","name":"Delx Commerce — Query Parameter Picker","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/query-param-pick?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"url":{"type":"string","description":"Input field: url."},"keys":{"type":"array","description":"Input field: keys."}}},"responseSchema":{"type":"json","example":{"ok":true,"params":{"n":"2","q":"delx"},"schema":"delx/util-query-param-pick/v1","key_count":2}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0Lq7Y4sxV-V6x5TC9kxsZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Extracts specific query parameters by key name from a given URL string","exampleAgentPrompt":"From the URL 'https://example.com/search?q=delx&n=2&page=5', extract just the 'q' and 'n' query parameters and return their values.","exampleUseCases":[{"title":"Extract search terms from redirect URL","prompt":"I have this URL from a redirect: 'https://shop.example.com/results?query=shoes&sort=asc&ref=email&campaign=summer'. Can you pull out just the 'query' and 'sort' parameters for me?"},{"title":"Parse analytics tracking params","prompt":"Pull out the 'utm_source' and 'utm_medium' parameters from this URL: 'https://mysite.com/landing?utm_source=google&utm_medium=cpc&utm_campaign=spring&foo=bar'."},{"title":"Isolate pagination params from API response URL","prompt":"From the URL 'https://api.service.com/items?page=3&limit=50&filter=active&token=abc123', extract only the 'page' and 'limit' values so I can paginate my next request."}],"resultDescription":"Returns a JSON object with 'ok' status, a 'params' map containing only the requested keys and their values from the URL's query string, the schema identifier, and a count of how many keys were successfully extracted.","failureModes":["Malformed or non-URL input may cause extraction failure or empty params","Requested keys not present in URL query string return with empty or missing values","Invalid JSON body results in a 400-level error","Payment failure (insufficient USDC) blocks the request via x402 protocol"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-use utility to extract specific named query parameters from a URL without setting up a full URL parsing library or dependency. Ideal for agent workflows that encounter arbitrary URLs and need to pluck out specific values quickly and cheaply at $0.001 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:40.822Z","isFirstParty":false,"canonicalSlug":"delx-commerce-query-parameter-picker-4aff3c41"}