Three production patterns for generating OG and Twitter Card images on demand. Render an HTML template via @vercel/og, capture a public /og/[slug] route with a screenshot API, or expose the same call as an og_image MCP tool an AI agent can invoke directly — with working code, caching strategy and the trade-offs for each.
Replace Percy / BackstopJS / Playwright snapshots with one GET /diff request. Pixelmatch is built in, the diff PNG comes back as base64, and the same operation is exposed as a visual_diff MCP tool for AI agents. Drop-in GitHub Actions workflow included.
Sign up, copy your API key, and capture your first PNG with a single curl command. Then move to Node.js, Python, or PHP, switch to a self-hosted Docker stack on the same endpoint, and let an AI agent call it through MCP — production checklist included.
Cornerstone guide for teams evaluating a Screenshot API: how it works under the hood, when it beats DIY Puppeteer, the use cases that justify it, must-have features, pricing models, and a 7-question decision tree for picking a vendor.
A vendor-neutral breakdown of how Screenshot APIs are priced in 2026 — per-screenshot, per-second of browser compute, and self-host license. Worked cost examples at 1K, 10K, 100K and 500K shots/month, plus the hidden line items most teams miss.
Side-by-side with ScreenshotOne — pricing, feature matrix, MCP support, Docker self-host, built-in /diff endpoint, plus a parameter-by-parameter migration guide with inline citations to pricing, docs and changelog.
Quick answers to the most-asked Screenshot API questions: what it is, how pricing works, JavaScript rendering, full-page captures, visual regression testing, authenticated pages, and AI agent integrations.