{"uid":"cap_FJtnWvDKOcCbNeLf9w13v","slug":"json-schema-validator-2f6c9dd3","name":"JSON Schema Validator","description":"Validate a JSON document against a JSON Schema.","url":"https://x402.agentindex.world/json/validate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"data":{"title":"Data"},"schema":{"type":"object","title":"Schema","additionalProperties":true}}},"responseSchema":{"type":"json","example":{"valid":true,"errors":[]}},"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_-ZrWiImJhKoRClwVnU-rp","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":"Validates a JSON data object against a provided JSON Schema and returns whether it is valid along with any validation errors","exampleAgentPrompt":"Can you check if this JSON object is valid against my schema? The data is {\"name\":\"Alice\",\"age\":30} and the schema requires name to be a string and age to be a number greater than 0.","exampleUseCases":[{"title":"API response schema compliance check","prompt":"I just got a response from a third-party API and I need to make sure it matches our expected schema before processing it — can you validate this JSON payload against the schema I'll provide and tell me if anything is missing or wrong?"},{"title":"User-submitted form data validation","prompt":"A user submitted this JSON form data and I need to verify it matches our required schema — check if all required fields are present and the types are correct, and list any errors if it fails."},{"title":"Config file structure verification","prompt":"Before deploying, can you validate this configuration JSON against our config schema to make sure nothing is malformed or missing required keys?"}],"resultDescription":"Returns a JSON object with a boolean 'valid' field indicating whether the data conforms to the schema, and an 'errors' array listing any validation errors (empty if valid). Errors typically describe which field failed, what constraint was violated, and the expected vs actual value.","failureModes":["Malformed JSON in data or schema input causes parse error","Schema with unsupported JSON Schema keywords may not validate correctly","Missing data or schema parameter returns an error","Very large or deeply nested schemas may time out","Schema with circular references may cause unexpected behavior"],"whenToPreferThis":"Use this endpoint when you need a lightweight, pay-per-call JSON Schema validation without setting up a local library or running code. Ideal for AI agents that receive dynamic JSON payloads and need to quickly verify structure before further processing. Prefer this over running code locally when the agent environment lacks execution capabilities or when you want a consistent, hosted validation service billed per use.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T12:36:11.193Z","isFirstParty":false,"canonicalSlug":"json-schema-validator-2f6c9dd3"}