---
updatedAt: 2026-06-05T18:28:41.000Z
agentTools:
  projectIndex: https://developers.signwell.com/llms.txt
---

# API Apps

API Apps are a way to set custom branding (colors, logos, etc.) and associate them with a specific API Key. Documents created using the API key. You can have multiple API Apps with different brand settings under the same API Key.

![717](https://files.readme.io/e1c0e49-signwell_api_apps.jpg "signwell_api_apps.jpg")