HTTP 400 · Bad Request
HTTP 400 Invites

When & why it happens

You have successfully requested to join this chat or channel. 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 == "INVITE_REQUEST_SENT" { // handle this error } }