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API Swagger spec now OAS 2-compliant

Recent and scheduled updates to the Mailchimp Marketing API, Transactional Email, and Open Commerce.

API Core moved into its own plugin

Recent and scheduled updates to the Mailchimp Marketing API, Transactional Email, and Open Commerce.

API Root | Mailchimp Marketing API Reference

The API root resource links to all other resources available in the API. Calling the root directory also returns details about the Mailchimp user account.

Transactional API Quick Start

Use this guide to start using the Mailchimp Transactional API to send fast, personalized transactional emails. Learn how to make a Transactional API call.

Export API 1.0 and API 2.0 no longer supported

Recent and scheduled updates to the Mailchimp Marketing API, Transactional Email, and Open Commerce.

Changing API server response for client errors

Recent and scheduled updates to the Mailchimp Marketing API, Transactional Email, and Open Commerce.

Batch API limit now considers pending batch webhooks

Recent and scheduled updates to the Mailchimp Marketing API, Transactional Email, and Open Commerce.

Marketing API Quick Start

Use this guide to start using the Mailchimp Marketing API. Learn how to generate your API key, install the client library, and make your first API call.

List api root resources | Mailchimp Marketing API Reference

Get links to all other resources available in the API.

Build an API Plugin

Create a plugin to extend the functionality of the Open Commerce API.

Customer Journeys API trigger for a contact | Mailchimp Marketing API Reference

A step trigger in an Automation flow. To use it, create a starting point or step from the Automation flow builder in the app using the Customer Journey API condition. We’ll provide a url during the process that includes the {journey_id} and {step_id}. You’ll then be able to use this endpoint to trigger the condition for the posted contact.

Mailchimp Marketing API

Learn how to use the Mailchimp Marketing API to manage audiences, integrate your data and send timely, relevant email campaigns.