What is Image Template API?
Definition
A REST API that takes a reusable design template plus a data payload and returns a rendered image or PDF, used to automate marketing creatives, OG images, and product graphics.
An image template API (also called a design automation or image generation API) separates design from data.
Request shape (conceptual):
- Template ID
- Overrides for text, images, colors
- Output format (PNG, JPG, PDF)
Who uses them:
- SaaS products that need user-generated graphics
- Marketing ops generating ads from product feeds
- Developers automating OG images at build time
Canva-related options:
- Official Canva Connect Autofill (Enterprise)
- Third-party APIs like Layerre that import Canva designs on any plan
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