Base shift date exception added successfully

Bad request, invalid base shift ID or date

Unauthorized access, invalid or missing session ID

Rate limit or concurrency limit exceeded, or a temporary penalty window is active.

Limits for this endpoint:

• max 1000 requests per 60 seconds
• max 8 concurrent requests

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