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.