Task email sent successfully

Bad request, missing required fields or invalid data

Unauthorized access, invalid or missing session ID

Rate limit or concurrency limit exceeded, a scoped task email limit
was exceeded, or a temporary penalty window is active.

Limits for this endpoint:

• max 1000 requests per 60 seconds
• max 100000 task records per 60 seconds
• max 4 concurrent requests
• max 2 email send operations per task per 10 minutes

A batch request counts as:

• 1 request toward the request limit
• 1 record per unique task ID toward the record limit

The scoped task limit is evaluated separately for each task ID in
the request. If any task exceeds the scoped limit, the full request
is rejected.

The server may also apply a short protective penalty window (default
5 seconds). During this window, requests return HTTP 429 with
reason: "penalty".