HTTP 400 · Bad Request
HTTP 400 Topics

When & why it happens

The hide flag cannot be provided together with any of the other flags. Treated by gogram as a regular API error; inspect ErrResponseCode.Message for the exact code.

Handling in gogram

Surfaced as *gogram.ErrResponseCode. Match on the message:

if err, ok := err.(*gogram.ErrResponseCode); ok { if err.Message == "TOPIC_HIDE_SEPARATELY" { // handle this error } }