{"uid":"cap_fCdrMW3zWvTyjKhG_5OkO","slug":"gpt-5-5-x402-json-validate-tool-e106de79","name":"GPT-5.5 x402 JSON Validate Tool","description":"Validate JSON text or normalize a JSON value, returning parse status, type, size, and optional formatted output. This deterministic endpoint does not call an upstream model. Pay up to $0.001 per request with x402 USDC on Base. Public paid calls are limited to 1500 input characters and 128 output tokens.","url":"https://gpt55.558686.xyz/v1/tools/json-validate","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"pathParams":{"type":"object","additionalProperties":true},"queryParams":{"type":"object","anyOf":[{"required":["json"]},{"required":["text"]},{"required":["value"]}],"properties":{"json":{"oneOf":[{"type":"string"},{"type":"object","additionalProperties":true},{"type":"array"},{"type":"number"},{"type":"boolean"},{"type":"null"}]},"text":{"type":"string"},"value":{"description":"Any JSON value"},"pretty":{"type":"boolean"},"max_output_chars":{"type":"integer","maximum":20000,"minimum":100},"include_formatted":{"type":"boolean"}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"ok":{"type":"boolean"},"tool":{"type":"string"},"fetchedAt":{"type":"string"}},"additionalProperties":true}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"json":{"age":30,"name":"Alice","active":true},"pretty":true,"max_output_chars":5000,"include_formatted":true}},"output":{"type":"object","example":{"ok":true,"tool":"json-validate","fetchedAt":"2024-01-15T10:30:00Z"}}},"response":{"type":"object","bytes":39,"chars":39,"valid":true,"source":"string","fetchedAt":"2026-06-18T06:19:32.446Z","formatted":"{\n  \"name\": \"Alice\",\n  \"age\": 30,\n  \"active\": true\n}","truncated":false,"topLevelKeys":3}},"exampleRequest":{"json":{"age":30,"name":"Alice","active":true},"pretty":true,"max_output_chars":5000,"include_formatted":true},"tags":["x402"],"displayCostAmount":"0.0001","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.0001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hD_-rWACfL4TbNAF9d4xD","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates and optionally pretty-prints JSON input, returning parse status and formatted output via x402 micropayment on Base.","exampleAgentPrompt":"Can you check if this is valid JSON and show me the pretty-printed version: '{\"name\":\"Alice\",\"age\":30,\"active\":true}'?","exampleUseCases":null,"resultDescription":"Returns a JSON object with ok (boolean), tool name ('jsonValidate'), a summary of parse status, and optionally formatted/pretty-printed JSON output up to the specified character limit.","failureModes":["Missing required 'json', 'text', or 'value' query parameter returns error","Invalid or malformed input causes parse failure with ok: false","max_output_chars out of range (must be 100-20000) causes validation error","Payment failure via x402 returns 402 status","Network timeout on the gateway returns connection error"],"whenToPreferThis":"Use this endpoint when you need a quick, cheap ($0.0001 USDC) serverless JSON validation and formatting check without a subscription, especially in automated pipelines that already use x402 micropayment infrastructure on Base.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:57:17.037Z","isFirstParty":false}