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Ping 2 | Mailchimp Transactional API Reference

Validate an API key and respond to a ping (JSON parser version).

API Swagger spec now OAS 2-compliant

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

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.

Stricter rules for URL matching in OAuth 2

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

Access Data on Behalf of Other Users with OAuth 2

Integrate your product with your users’ Mailchimp accounts by authenticating via OAuth.

Reporting > Surveys | Mailchimp Marketing API Reference

Get an overall report for a [hosted survey](https://mailchimp.com/help/create-a-survey/).

Reporting > Survey Responses | Mailchimp Marketing API Reference

Get survey response reports for a [hosted survey](https://mailchimp.com/help/create-a-survey/).

Reporting > Survey Questions | Mailchimp Marketing API Reference

Get reports by question on a [hosted survey](https://mailchimp.com/help/create-a-survey/).

Reporting > Survey Question Answers | Mailchimp Marketing API Reference

Answers to specific questions on a [hosted survey](https://mailchimp.com/help/create-a-survey/).

Lists/Audiences > Merge Fields | Mailchimp Marketing API Reference

Manage merge fields for an audience. See [Merge Field documentation](https://mailchimp.com/developer/marketing/docs/merge-fields/) for more.

Audiences (BETA) | Mailchimp Marketing API Reference

Your Mailchimp audience is where you store and manage all of your omni-channel contacts. The Audiences Endpoints (BETA) is available for evaluation or testing purposes only, may contain bugs or errors, and may not be as reliable as other Mailchimp features. Intuit may modify or discontinue this feature at any time without notice. By accessing the endpoints you agree to the [Audiences Endpoints (BETA) Terms of Use](https://mailchimp.com/developer/marketing/docs/audiences-introduction). Consent must be accurately mapped to the supported marketing consent values. Unsupported values - including opt-outs - must be updated manually. See [Audiences Endpoints (BETA) Documentation](https://mailchimp.com/developer/marketing/docs/audiences-introduction) for terms and additional details.

Audiences (BETA) > Contacts | Mailchimp Marketing API Reference

Manage contacts within a Mailchimp audience. The Audiences Endpoints (BETA) is available for evaluation or testing purposes only, may contain bugs or errors, and may not be as reliable as other Mailchimp features. Intuit may modify or discontinue this feature at any time without notice. By accessing the endpoints you agree to the [Audiences Endpoints (BETA) Terms of Use](https://mailchimp.com/developer/marketing/docs/audiences-introduction). Consent must be accurately mapped to the supported marketing consent values. Unsupported values - including opt-outs - must be updated manually. See [Audiences Endpoints (BETA) Documentation](https://mailchimp.com/developer/marketing/docs/audiences-introduction) for terms and additional details.