{"uid":"cap_q1P9IPKlLAS7XhgkzQdHT","slug":"one-engine-json-type-classifier-c08fdc68","name":"ONE Engine JSON Type Classifier","description":"Low-cost pay-per-call utility APIs for autonomous agents using x402 on Base.","url":"https://one-search.one-engine.workers.dev/v1/json/type?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{}}},"responseSchema":{"type":"json","example":{"type":"array"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.0009","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":"$0.0009/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.0009","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_uX9nQfqR0MMzlrTtXl1AN","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.0009","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Classifies or detects the type of a given JSON value, returning an array of type descriptors.","exampleAgentPrompt":"Can you detect and classify the type of this JSON value for me: {\"name\": \"Alice\", \"age\": 30}?","exampleUseCases":[{"title":"Agent data pipeline type validation","prompt":"I'm receiving JSON payloads from an external source and need to know what type each value is before I process it — can you classify the type of this value: [1, 2, 3]?"},{"title":"Dynamic schema inference for unknown data","prompt":"I have a raw JSON value that came in from a webhook and I don't know its structure — can you tell me what type this is: null?"},{"title":"Input sanitization before storage","prompt":"Before I store this in my database I need to know what JSON type this value is: \"hello world\" — can you classify it for me?"}],"resultDescription":"Returns a JSON object containing an array of type descriptors identifying the type(s) of the input JSON value, such as 'string', 'number', 'array', 'object', 'null', or 'boolean'.","failureModes":["Missing or malformed 'value' field in request body returns error","Payment not attached or insufficient USDC balance causes 402 response","Ambiguous or deeply nested values may return multiple type descriptors","Network timeout on Cloudflare Worker under high load"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, cheap, pay-per-call type classification for arbitrary JSON values in an autonomous agent pipeline, especially when operating on Base with x402 micropayments and want to avoid spinning up a full validation library.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:13.921Z","isFirstParty":false,"canonicalSlug":"one-engine-json-type-classifier-c08fdc68"}