This endpoint is idempotent and can be used to poll for Message Batch completion. To access the results of a Message Batch, make a request to the results_url
field in the response.
Learn more about the Message Batches API in our user guide
Optional header to specify the beta version(s) you want to use.
To use multiple betas, use a comma separated list like beta1,beta2
or specify the header multiple times for each beta.
ID of the Message Batch.
Successful Response
The response is of type object
.