{"uid":"cap_BVeD17u8tB0Rr3Ho2VFp9","slug":"kevaremesh-json-pointer-lookup-e8acc313","name":"KEVAREMESH JSON Pointer Lookup","description":"Buyer-first MCP procurement gateway that discovers, compares and routes live x402 APIs without making the buyer choose a provider.","url":"https://kevaremesh-web.vercel.app/api/x402/json-pointer?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"pointer":{"type":"string","maxLength":4096},"document":{}}},"responseSchema":{"type":"json","example":{"result":{"value":3,"exists":true,"pointer":"/a/0/b","value_type":"number"},"product":"kevaremesh_json_pointer_v2","service":"KEVAREMESH","tool_name":"kevaremesh_json_pointer","limitations":["RFC 6901 lookup only","Input document is not mutated"],"generated_at":"2026-09-18T00:00:00.000Z"}},"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_u06QhENqG_A-njwq6O7z-","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":"Evaluates an RFC 6901 JSON Pointer expression against a provided JSON document and returns the resolved value, its type, and whether it exists.","exampleAgentPrompt":"Look up the value at the JSON pointer '/store/book/0/title' in this document: {\"store\":{\"book\":[{\"title\":\"Moby Dick\",\"price\":9.99}]}} — tell me what value is there and what type it is.","exampleUseCases":[{"title":"Extract nested config value","prompt":"I have this JSON config blob and I need to grab the value at '/database/host' — can you resolve that pointer and tell me what it returns and whether the path actually exists?"},{"title":"Validate API response field","prompt":"Here's the API response JSON I got back. Can you check if the field at '/data/user/email' exists and what its value is? I need to know both the value and its type."},{"title":"Debug missing JSON path","prompt":"I'm getting a null somewhere in my pipeline. Can you run the pointer '/results/0/score' against this JSON document and tell me if it exists and what value it resolves to?"}],"resultDescription":"Returns a JSON object containing the resolved value at the specified pointer path, a boolean indicating whether the path exists, the pointer string itself, and the data type of the resolved value (e.g. 'number', 'string', 'object'). Also includes service metadata such as product name and generation timestamp.","failureModes":["Invalid RFC 6901 pointer syntax returns an error or non-existent result","Pointer path does not exist in document — returns exists: false","Document exceeds size limits or is malformed JSON — likely returns a parse error","Empty pointer or missing required fields returns a validation error","Network or gateway timeout under high load"],"whenToPreferThis":"Use this endpoint when you need a standards-compliant RFC 6901 JSON Pointer resolution without writing parsing code, especially inside an AI agent pipeline where extracting a specific nested value from a dynamic JSON payload is required at runtime. Prefer this over JSONPath libraries when strict RFC 6901 compliance and a typed result with an existence flag are needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:09:48.563Z","isFirstParty":false,"canonicalSlug":"kevaremesh-json-pointer-lookup-e8acc313"}