{"uid":"cap_jSetMWjGBDm5yxGUyq-tj","slug":"youtube-thumbnail-expander-e9767666","name":"YouTube Thumbnail Expander","description":"817 pay-per-call APIs for AI agents. Every endpoint is POST /<name> and is payable in USDC over x402 on Base and Solana — no signup, no API key, just pay-per-call. GET https://x402.agentutility.ai/ returns the same catalog as machine-readable JSON.","url":"https://x402.agentutility.ai/youtube-thumbnail-expand?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"required":["image_url","canvas_width","canvas_height"],"properties":{"seed":{"type":"number","description":"Random seed for reproducible output. Optional; random if omitted."},"prompt":{"type":"string","description":"Text hint describing what to generate in the expanded area. Optional."},"image_url":{"type":"string","description":"Source image URL to expand."},"original_x":{"type":"number","description":"X offset of the original image within the new canvas. Optional; must pair with original_y."},"original_y":{"type":"number","description":"Y offset of the original image within the new canvas. Optional; must pair with original_x."},"canvas_width":{"type":"number","description":"Target canvas width in pixels. 256-4096."},"canvas_height":{"type":"number","description":"Target canvas height in pixels. 256-4096."},"original_width":{"type":"number","description":"Width of the original image within the new canvas. Optional; must pair with original_height."},"original_height":{"type":"number","description":"Height of the original image within the new canvas. Optional; must pair with original_width."}}},"type":{"type":"string","const":"http"},"method":{"enum":["POST"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"width":{"type":"integer"},"height":{"type":"integer"},"image_url":{"type":"string"}}}}}}},"responseSchema":{"type":"json","example":{"width":1280,"height":720,"image_url":"https://...png"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_miv5k_inhxuDMd0IHqQKb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches and returns a full-resolution YouTube video thumbnail image URL along with its dimensions","exampleAgentPrompt":"Can you get me the full-resolution thumbnail image URL, width, and height for this YouTube video: https://www.youtube.com/watch?v=dQw4w9WgXcQ?","exampleUseCases":null,"resultDescription":"Returns a JSON object with the resolved thumbnail image URL (e.g. a high-res PNG hosted on YouTube's CDN), plus the width (e.g. 1280) and height (e.g. 720) of the thumbnail image.","failureModes":["Invalid or malformed YouTube URL/ID returns an error response","Video is private or deleted — thumbnail may not be available","YouTube CDN changes may cause stale or broken image URLs","Rate limits or upstream YouTube access issues causing fetch failure"],"whenToPreferThis":"Use this endpoint when you need to programmatically resolve a YouTube video's thumbnail image URL and dimensions from a video URL or ID, especially in agent workflows that need to display or process video preview images. Prefer this over manual construction of YouTube thumbnail URLs when you need verified dimensions and a confirmed accessible URL.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:56:20.624Z","isFirstParty":false,"canonicalSlug":"youtube-thumbnail-expander-e9767666"}