API Reference - Constant Contact Public API

Overview

Documentation Overview Quickstart

Guides

Auth Domain verification Idempotency Send status Webhooks Retries Rate limits

Reference

API Reference Interactive Explorer OpenAPI Spec Errors Glossary Examples

MCP

Overview & Setup Examples Errors & Troubleshooting

Utilities

Help & Feedback

The API reference is generated from /openapi.yaml.

Reference › API Reference

Documentation Overview Quickstart API Reference Interactive Explorer OpenAPI Spec

Log in Sign up

© Constant Contact, Inc. 1996–. All Rights Reserved. Constant Contact® is a registered trademark of Constant Contact, Inc.

Terms of Service Acceptable Use Policy Anti-Spam Privacy Center Vulnerability Disclosure Modern Slavery Statement

Quickstart API Reference Documentation Overview