HTTP 400 · Bad Request
HTTP 400 Server / Internal

When & why it happens

This API ID was published somewhere, you can't use it now. 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 == "API_ID_PUBLISHED_FLOOD" { // handle this error } }