{"uid":"cap_VPYy-dzaB2ClBYj60lZHc","slug":"pennyrail-json-path-get-3fdfb217","name":"PennyRail JSON Path GET","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/json.get--get-json-path?utm_source=zero.xyz","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_1PNI5o64hkOds7rZbRSJX","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":"Fetches a JSON value at a specified path from a remote resource, payable per-call via x402 micropayment","exampleAgentPrompt":"Can you use PennyRail to fetch the JSON value at a specific path from their resource node — I need to pull out a nested field from the data it returns?","exampleUseCases":[{"title":"Extract nested config from paid API","prompt":"Pull the value at the 'settings.theme.color' path from the PennyRail resource node — I need that specific field from the JSON it serves."},{"title":"Retrieve live data field for dashboard","prompt":"Fetch the 'metrics.activeUsers' field from the PennyRail JSON resource node and give me the current number so I can update my dashboard."},{"title":"Validate a key exists in remote JSON","prompt":"Check whether the 'status' key is present and what its value is in the PennyRail JSON resource — query it by path and tell me what comes back."}],"resultDescription":"Returns a JSON object containing the value found at the requested path within the remote resource. The response schema is open-ended (additionalProperties: true), meaning the returned shape depends on the data stored at that path.","failureModes":["Path not found in the JSON resource — may return empty or null result","Invalid or malformed input object causes a 400-level error","Payment failure via x402 protocol results in 402 Payment Required response","Resource node unavailable or Vercel cold-start timeout","Overly broad path expression returns unexpectedly large payload"],"whenToPreferThis":"Choose this endpoint when you need to extract a specific value from a machine-readable, micropayment-gated JSON resource using path-based access. It is best suited for agents that already know the structure of the target JSON and need a single field or subtree, and are comfortable settling via x402 USDC micropayments at $0.001 per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T18:41:30.511Z","isFirstParty":false,"canonicalSlug":"pennyrail-json-path-get-36b94ba9"}