One extra step that is needed and was not documented, is that the bot email address must be explicitly added to the space. I failed to do that and got this error message:   Error postMessage failed: request failed with status code 404, {"message":"Co...

Ahhh, thanks for the clarification, it makes sense now, I did not know that the panel on the right side was live on actual webex spaces! Clever! I managed to send a message to my space, thank you!  

Thanks, I have created a bot, got my access token, now I need more help for finding the right POST arguments...From the space I want to post to, I found the space link which looks like:   webexteams://im?space=<uuid>   How can I find out the URL to u...