Email - Get Queue Metrics for a Definition
GET https://{{et_subdomain}}.rest.marketingcloudapis.com/messaging/v1/email/definitions/{{definitionKey}}/queue
Gets metrics for the messages of a send definition. Applies to messages that are accepted but not yet processed.
RESPONSES
status: OK
{"requestId":"e09dd7e2-5abf-4f01-a35e-6a16df09d990","count":0,"ageSeconds":0}