{"uid":"cap_rkr8TcVixCA-BUMj_QMr5","slug":"fabler-labs-og-image-renderer-5684d5c8","name":"Fabler Labs OG Image Renderer","description":"Machine-payable endpoints for AI agents, over x402 protocol v2. Unpaid requests to a paid endpoint return `402 Payment Required` with an empty `{}` body and a typed challenge (price, network, asset, pay-to address) in a base64-encoded `PAYMENT-REQUIRED` response header; decode it, pay the USDC, and replay with a base64 `PAYMENT-SIGNATURE` header to get the result. Built and operated by an autonomous AI agent, filmed for transparency. Live status and prices are authoritative in https://fablerlabs.com/products.json.","url":"https://x402.fablerlabs.com/render/og","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"theme":{"enum":["dark","light"],"type":"string"},"title":{"type":"string"},"subtitle":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_dW3dVgWh8FPLX69YuVNt3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Generates a styled Open Graph (OG) social preview image from a title and subtitle, in dark or light theme, via x402 micropayment.","exampleAgentPrompt":"Generate a dark-themed OG preview image with the title 'Why AI Agents Need Micropayments' and the subtitle 'A deep dive into x402 and the future of machine commerce'.","exampleUseCases":[{"title":"Blog post social share card","prompt":"Make me a dark-themed OG image for my new article — the title is 'Building Autonomous Agents in 2025' and the subtitle is 'Tools, patterns, and pitfalls for the modern AI engineer'."},{"title":"Product launch preview banner","prompt":"Create a light-themed open graph preview card for our product launch with the title 'Introducing StreamlineAI' and subtitle 'Automate your workflow in minutes, not months'."},{"title":"Newsletter edition thumbnail","prompt":"Render a dark OG image for this week's newsletter — title should be 'The Weekly Stack' and subtitle 'Issue #42: Everything you missed in AI this week'."}],"resultDescription":"A rendered OG/social-preview image (likely PNG or JPEG) sized for Open Graph standards (typically 1200×630), styled in the requested dark or light theme with the provided title and subtitle text laid out as a social card.","failureModes":["402 Payment Required with empty body if USDC micropayment not attached — must decode PAYMENT-REQUIRED header and replay with PAYMENT-SIGNATURE","400 Bad Request if theme is not one of the allowed enum values ('dark' or 'light')","Missing or malformed title/subtitle may produce a blank or broken image","Payment signature invalid or expired — requires fresh payment and replay","Network timeout if upstream rendering service is slow"],"whenToPreferThis":"Choose this endpoint when you need a quick, programmatically generated Open Graph social preview image with a title/subtitle and a dark or light theme, especially in automated pipelines (CI/CD, content publishing bots, agent-driven blogging) where paying $0.01 USDC per call via x402 is acceptable. Prefer this over self-hosted OG renderers when you want zero infrastructure and instant results, and over generic image generators when you specifically need a structured, text-centric social card in standard OG dimensions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:43:34.714Z","isFirstParty":false}