{"uid":"cap_N9OzD-K01CXiUDHqsKeQd","slug":"three-ws-schema-check-changelog-json-validator-f9ec35cc","name":"three.ws Schema Check — Changelog JSON Validator","description":"Make a 3D AI agent from a selfie in 60 seconds. Drop one HTML tag to embed it on any website. Agents think on IBM watsonx.ai (Granite); optionally charge per chat with built-in micropayments.","url":"https://three.ws/api/x402/schema-check?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"api":{"enum":["changelog_json"],"type":"string","description":"Which public JSON API to fetch and validate."}}},"responseSchema":{"type":"json","example":{"ok":true,"api":"changelog_json","valid":true,"version":"2026-06-28","fetched_at":"2026-06-28T12:00:00.000Z","entry_count":42,"schema_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_pfgcoFV8QwsfA3VnFhUHA","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and validates the three.ws changelog JSON API, returning version info, entry count, and any schema errors found.","exampleAgentPrompt":"Can you fetch and validate the three.ws changelog_json API to confirm it's returning valid data, check the current version, and tell me if there are any schema errors?","exampleUseCases":[{"title":"Changelog API health check","prompt":"Fetch and validate the changelog_json API on three.ws and tell me if it's healthy — I want to know the current version, how many entries there are, and whether any schema errors showed up."},{"title":"CI pipeline schema verification","prompt":"Run the schema-check on the three.ws changelog_json API and give me the results so I can confirm it's still valid before we deploy — I need the ok status, version, and any schema_errors listed."},{"title":"Monitor changelog API freshness","prompt":"Check the three.ws changelog_json API right now and tell me when it was last fetched and what version it's on — I want to make sure the data looks fresh and passes schema validation."}],"resultDescription":"Returns a JSON object with: ok (boolean success), api name ('changelog_json'), valid (boolean schema validity), version string (e.g. '2026-06-28'), fetched_at ISO timestamp, entry_count (integer), and schema_errors (array of any validation issues found).","failureModes":["Invalid or unsupported api enum value returns an error","Upstream changelog JSON unavailable causes fetch failure","Schema validation errors populate the schema_errors array with details","Payment not included or insufficient USDC results in HTTP 402"],"whenToPreferThis":"Use this endpoint when you need a programmatic way to confirm that the three.ws changelog JSON API is reachable, well-formed, and schema-compliant — especially useful for CI/CD pipelines, monitoring agents, or developer tools that depend on the changelog data being current and valid.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:48:13.518Z","isFirstParty":false,"canonicalSlug":"three-ws-schema-check-changelog-json-validator-f9ec35cc"}