I am trying to find a way to bulk update participants' status via the REST api. I could only think of using the API chaining method. I tried to do a for loop to update individually but I got random number of successful updates.

Would like to know if there is a better way to do it ? I am calling from an android app using Retrofit2.

thanks, j.

1 Answer 1


The right place to experiment with possibilities of the API is API Explorer that you can find at Support -> Developer - API Explorer in your local CivCRM instance or on the Demo site.

All the participants of an event can be selected with:


The update of status can be accomplished with the create action in combination with an already existing participant_id. For example:


moves the status to Cancelled.

Success with your app.

  • thanks for your reply. I managed continue using the Chain API calls to make it happened. It works great. Jan 3, 2017 at 12:47

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