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Documentation Index

Fetch the complete documentation index at: https://docs.paubox.com/llms.txt

Use this file to discover all available pages before exploring further.

Which product is right for me?

I want to…Use…
Send transactional email from my appEmail API
Run email campaigns to patient listsMarketing API
Collect patient intake or consent dataForms API
Send from the terminal or CI pipelineCLI
Use Paubox from Claude or AI agentsMCP Server

Products

Email API

Send transactional, HIPAA-compliant email via REST or SMTP

Marketing API

Campaigns, drip sequences, subscribers, and analytics

Forms API

Collect patient data via HIPAA-compliant secure forms

CLI

Send email and check delivery from the terminal or CI

MCP Server

Give AI assistants access to Paubox Email and Forms tools

Get started

Quickstart guide

Four steps to your first email

API conventions

Auth, formatting, and response codes

REST API

Send email via HTTP

SMTP API

Send email via SMTP

Quickstart by language

Node

Python

Ruby

PHP

Java

C#

Rails

Perl

Building an SDK or integration?

Start with our OpenAPI specs — point your generator, AI agent, or editor at them directly.

Email API OpenAPI spec

Transactional email — api.paubox.net/v1/{username}

Marketing API OpenAPI spec

Campaigns, subscribers, analytics — api.paubox.net/v1/orca/{username}

Need help?

GitHub

SDK source and issues

Status

System uptime

Support

Contact the team