Messages
Update a message (API key)
Replace the blocks of any message your bot sent. No time limit.
PATCH
Rewrite a bot message after the
response_url has expired. The update always replaces the whole block list: there is no merge and no partial patch, so send the full message again each time.
Authorization
string
required
Bearer mac_live_…Path parameters
string
required
A message sent by the bot your key belongs to. Get it from the
message_id in a send response, or from Read history.Body
application/json. Exactly one message, in any Block Kit shape we accept.
array
required
The new block list, 1 to 25 blocks. Blocks you leave out are removed.
Response
boolean
true on success.string
The message you updated.

