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API & integrations
Working with the REST API, webhooks, Svix events, and third-party tool integrations.
Connecting your other tools to Intelliprint
Most connections follow the same shape: an API key, a template, and a webhook step in the other tool. Here's the general pattern and where to find setup steps for popular tools.
Reviewed 8 July 2026Formatting letter content
What HTML and CSS the content field supports when you're sending text or HTML content directly, and what isn't supported.
Reviewed 8 July 2026Getting started with the API
Where to get an API key, which SDK to use, and where the full reference material lives — the fastest way to orient yourself before writing code.
Reviewed 8 July 2026