Developer Docs

PostCapture API

Generate beautiful, shareable screenshots of social media posts programmatically. Support for X (Twitter), YouTube, TikTok, and Bluesky.

Quick Start

1

Get your API key

Sign in to your PostCapture dashboard and create an API key. Keys are prefixed with sk_.

2

Make a request

Send a GET request to the screenshot endpoint with the post URL and your API key.

1curl -o screenshot.png \
2  "https://postcapture.com/api/screenshot?postUrl=https://x.com/postcaboron/status/1924847327370461555&apiKey=sk_your_api_key"
3

Get your screenshot

The API returns a image/png binary. Save it, embed it, or pipe it wherever you need.

Explore the Docs

Authentication

Create API keys and authenticate your requests.

Screenshot API

Full reference for the screenshot endpoint with all parameters.

Rate Limits

Understand rate limiting and how to handle 429 responses.

Code Examples

Ready-to-use examples in cURL, JavaScript, and Python.

Base URL

https://postcapture.com

All API endpoints are relative to this base URL. Each request costs 1 credit.