Product Notice: Eloqua Application API Create and send an email deployment Endpoint Limit [May 2026]

Overview

With the arrival of Eloqua release 26B (May 2026), there will be a limit of 60 Create and send an email deployment API requests per minute.

What’s changing?

As of Eloqua 26B, a “429 Too Many Requests” response will be returned when more than 60 create and send an email deployment API requests are sent within one minute.

Impacted Endpoint:

• POST /api/REST/2.0/assets/email/deployment
  • Create and send an email deployment to one contact
  • Create and send an email deployment to a small number of contacts
  • Create and send an email deployment to a large number of contacts

Example Response for Create and send an email deployment API request 61 within one minute