Screenshot mockupsvia API

Generate pixel-perfect screenshots of ChatGPT, Reddit, LinkedIn, Instagram, and more. Structured JSON in, PNG out. Built for marketers, developers, and AI agents.

The fastest way to create UI screenshot mockups for marketing, advertising, and content creation. Six platforms. One API. Pixel-perfect output.

Screenshot generators for every platform

Each template replicates the real platform UI — fonts, spacing, colors, and layout. Pick a platform, send JSON, get a PNG.

How it works

01

Pick a platform

Choose from ChatGPT, Reddit, LinkedIn, Instagram, and more. Each template replicates the real UI.

02

Send JSON

Pass conversation data, post content, or comments via REST API or MCP server. Every field is documented.

03

Get a PNG

High-resolution screenshot returned in seconds. Ready for ads, decks, social posts — anywhere.

Built for marketers, developers & AI agents

Marketers

Create scroll-stopping ad creatives and social content with realistic platform mockups. No design skills needed.

Developers

Integrate screenshot generation into your app or workflow with a simple REST API. Deterministic JSON in, PNG out.

AI Agents

Agent-native from day one. Connect via MCP server or REST API — your AI agent sends JSON, gets back a PNG.

Frequently asked questions

SnapKit is an API and MCP server for generating pixel-perfect screenshots that look like real social media and platform UIs. Send structured JSON, get back a PNG. No browser automation, no design tools, no manual screenshotting.

SnapKit currently supports ChatGPT, Reddit, LinkedIn, and Instagram screenshot generation. Facebook and Twitter/X templates are coming soon.

Send a POST request to /api/v1/render/{template} with your content as JSON. The API validates the payload, renders the screenshot server-side, and returns a high-resolution PNG. You can also connect via MCP server for agent-native workflows.

Marketers creating ad creatives and social content, developers building tools that need UI screenshots, and AI agents that generate visual content programmatically. The API is designed to be consumed by both humans and machines.

Free tier with no account required. Premium unlocks higher-resolution exports, watermark-free downloads, and additional customization options.

Yes. SnapKit creates mockups — the same way designers use Figma to mock up UI screens. You control every word, so the output is your content in a familiar visual format. Check each ad platform’s creative policies before publishing.

Join the waitlist

Get early access to SnapKit — the ChatGPT screenshot mockup API and MCP server for marketers, developers, and AI agents.

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