API Changelog
Stay up-to-date with changes to our API.
June 28, 2024
New: A new addToAudience parameter in the Send transactional email endpoint can add contacts to your audience.
June 18, 2024
New: Support for our new mailing lists feature.
You can now add contacts to and remove contacts from mailing lists in the Create contact, Update contact and Send event endpoints.
There is also a new endpoint for retrieving your mailing lists.
April 18, 2024
New: you can now Find contacts by userId.
April 9, 2024
New: a new endpoint for testing your integration and/or API key: API key.
March 21, 2024
New: you can now include event properties in requests to the Send event endpoint.
March 13, 2024
Improvement: we removed behavior that returned a 400 Bad Request response if an unrecognized property was added to Contact endpoints.
February 9, 2024
Improvement: sending in a payload that contains an unrecognized property will now return a 400 Bad Request response.
January 25, 2024
Clarification in the API docs that userId can be used in a Send event request.
November 6, 2023
New: we added a new endpoint for querying custom contact properties.
October 30, 2023
Our official JavaScript/TypeScript SDK is now available!
October 12, 2023
New: we now accept dates as a custom contact property type. View the available formats.
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