Integrations
Letterhead API for Letterhead.
Use the API to work with your audience, content, sending and reporting from your own systems, with a typed TypeScript SDK and a command-line tool. API keys are in Settings.
- How it connects
- Part of Letterhead
- Category
- Developers
- Where to find it
- Settings, under API keys
Questions about Letterhead API.
- Where do I connect Letterhead API?
Settings, under API keys.