{"uid":"cap_4yaFgI_VFkuDsDQHHpu_s","slug":"pennyrail-json-object-to-url-query-string-converter-aa7647a6","name":"PennyRail JSON Object to URL Query String Converter","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/url.json-to-query--object-to-url-params","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"object"}}},"responseSchema":{"type":"object","additionalProperties":true},"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_VKC4YQIZ4DSbqkGuVT_40","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":"Converts a JSON object into a URL query string (serializes object properties to URL-encoded query parameters)","exampleAgentPrompt":"Convert this JSON object into a URL query string for me: {\"page\": 1, \"limit\": 50, \"filter\": \"active\", \"sort\": \"name\"}.","exampleUseCases":[{"title":"Build GET request query params","prompt":"I have a JSON object with search filters like {\"category\": \"electronics\", \"minPrice\": 100, \"maxPrice\": 500, \"inStock\": true} — can you turn that into a URL query string I can append to an API endpoint?"},{"title":"Serialize pagination options to URL","prompt":"Take this pagination config object {\"page\": 3, \"perPage\": 25, \"orderBy\": \"createdAt\", \"direction\": \"desc\"} and convert it into URL query parameters."},{"title":"Encode analytics event params","prompt":"I need to convert this analytics tracking object {\"eventType\": \"click\", \"userId\": \"u_123\", \"campaignId\": \"summer2025\", \"source\": \"email\"} into a URL query string for a tracking pixel."}],"resultDescription":"Returns a query string representation of the input JSON object, with object keys and values serialized as URL-encoded query parameters (e.g. '?key1=value1&key2=value2').","failureModes":["Missing or null 'input' property returns a validation error","Non-object input type (e.g. array or primitive) may fail schema validation","Deeply nested objects may not be serialized as expected depending on implementation","Payment failure or insufficient USDC balance results in 402 response before processing"],"whenToPreferThis":"Use this endpoint when you need a quick, paid micro-service to reliably convert a JSON object to URL query parameters without writing your own serialization logic, especially within an automated agent workflow that already uses x402 payment rails.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:44:16.589Z","isFirstParty":false}