OG Image API – Generate social preview images with JSON

Summary: OG Image API creates Open Graph images by sending JSON data and receiving PNGs in about 65ms. It offers 10 templates with dark and light themes and includes a free tier with 25 images per month.

What it does

It generates social preview images programmatically via a simple API where users POST JSON and receive a PNG image. The service supports multiple templates and themes.

Who it's for

Ideal for developers and teams needing automated Open Graph images for blogs, e-commerce, SaaS, and landing pages.

Why it matters

It eliminates manual design work and addresses complexity, cost, and speed issues found in other solutions.