{"uid":"cap_kF5TJRt1GE70f3HHYGuxb","slug":"signaldesk-ai-json-pointer-select-cae20707","name":"SignalDesk AI – JSON Pointer Select","description":"Evidence-backed autonomous AI jobs and paid data tools. Queue/D1/cron run outside the chat; free quotas and bounded execution apply.","url":"https://x402-agent.kariguetoazul.workers.dev/api/json/select-pointer?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"data":{"description":"JSON value; bounded structure."},"pointer":{"type":"string","maxLength":512,"description":"RFC 6901 pointer."}}},"responseSchema":{"type":"json","example":{"found":true,"value":"Ana"}},"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_MvSqYLhwnwmJXTh9iXiJd","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 a value from a JSON document at a specified RFC 6901 JSON Pointer path, returning whether the pointer was found and the resolved value.","exampleAgentPrompt":"I have this JSON object and I want to extract the value at the path /users/0/name — can you run the select-pointer tool on it and tell me what it resolves to?","exampleUseCases":[{"title":"Extract nested config value","prompt":"I have a big config JSON blob and I need to pull out just the value at /database/host — can you run that pointer extraction on it for me?"},{"title":"Verify API response field exists","prompt":"Here's the JSON response from our payment API — can you check whether /transaction/status exists in it and what its value is?"},{"title":"Drill into array element","prompt":"I've got a JSON array of user records and I want to grab the email address of the third user — use the pointer /2/email to extract it."}],"resultDescription":"Returns a JSON object with a boolean `found` field indicating whether the pointer resolved successfully, and a `value` field containing the extracted data at that path (e.g. {\"found\": true, \"value\": \"Ana\"}).","failureModes":["Pointer path not found in data — returns {\"found\": false} with no value","Malformed RFC 6901 pointer syntax — may return a 400 error","Input data too large or deeply nested beyond bounded structure limits","Invalid JSON supplied as data — parse error response","Payment not processed — 402 response blocking execution"],"whenToPreferThis":"Use this endpoint when you need to extract a single field from a known JSON structure using a precise RFC 6901 pointer path, especially in agentic pipelines where you want a lightweight, paid micro-call rather than parsing JSON locally. Prefer this over general-purpose JSON tools when working within a Cloudflare Workers / x402 payment-gated ecosystem.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-13T00:42:13.621Z","isFirstParty":false,"canonicalSlug":"signaldesk-ai-json-pointer-select-cae20707"}