# propzapi > The image generation API for developers and AI agents. Give it a template and > your data, get back a PNG, JPEG, WebP or PDF — over REST or as an MCP tool. propzapi renders your own HTML/CSS templates into images with headless Chromium. Thirteen templates ship built in, including data-driven bar/line/donut charts. Pure compute, no third-party data vendor. ## Endpoints - POST /v1/images · render an image (or PDF) from a template + your data - POST /v1/screenshot · screenshot any public URL to an image - POST /v1/embed-url · sign a GET render URL for (cached, free on refetch) - POST /v1/templates · create a reusable template (HTML with {{variables}} + {% if %}/{% for %}) - GET /v1/templates · list built-in and your own templates - POST /v1/templates/preview · render without charging (editor live preview) - POST /mcp · MCP server: generate_image, screenshot_url, list_templates - POST /v1/register · get a free API key (50-image trial, no card) ## Why propzapi - Agent-native: generate_image / screenshot_url return the image to the agent, not just a link - Real templating (sandboxed Jinja2): {{ var }}, {% if %}, {% for %}, filters — data becomes tables/lists/charts, not just fill-in-the-blank - Embed URLs: a template becomes a signed URL you drop into ; renders once, cached free after - Your own HTML/CSS templates, edited with live preview, no no-code editor - Built-in templates: social cards, quotes, thumbnails, testimonials, stats, tickets, code cards, certificates, stories, and data charts - One credit per image, billed on delivery, exact cost in the X-Credits-Cost header ## Pricing - Free trial: 50 images, one-time, no card - Pay-as-you-go packs (no subscription, never expire): $5 -> 150 images, $15 -> 500 - Monthly plans: Starter $29 (1,000), Growth $79 (3,500), Pro $199 (12,000) - Full pricing: https://propzapi.com/pricing ## Links - Full reference for agents: https://propzapi.com/llms-full.txt - Docs: https://propzapi.com/docs - Pricing: https://propzapi.com/pricing - OpenAPI: https://api.propzapi.com/openapi.json - MCP server card: https://api.propzapi.com/.well-known/mcp/server-card.json - Agent skills: https://propzapi.com/.well-known/agent-skills/index.json - Install skills: npx skills add paperandbeyond23-gif/propzapi-skills --all