Enqueue

You might say

After upload, do not keep the page waiting. Enqueue the transcoding task, return a task ID, and let me check its status later.

Enqueue puts work into a queue so a request can receive a task ID before a later processor runs itAfter someone uploads a video, the API can enqueue a transcoding task and return a task ID while the page shows queued, processing, or completed. Batch notifications can use the same pattern. A successful enqueue means the queue accepted the task, not that transcoding or delivery has finished; queues also do not automatically promise FIFO ordering or exactly-once processing.
Further reading