Posta API
The modern API platform for postal mail. Send letters, postcards, and more with a simple API call.
Quickstart
Get up and running with Posta in minutes. Learn how to authenticate and send your first letter.
API Reference
Explore the full API documentation with interactive examples and code snippets.
Assets
Create and manage reusable templates for your postal communications.
Letters
Send physical mail programmatically with tracking and delivery confirmation.