Cannot post long links to Slack

drauch commented 5 years ago

I'm not sure if we reached the correct repository, we created a Slack App and used https://api.slack.com/messaging/sending to send messages to a channel. This message contains a very long link, which we can't shorten anymore.

Slack is always returning HTTP 413 "Message too long". How to overcome this problem?

What type of issue is this? (place an `x` in one of the `[ ]`)

[ ] bug
[ ] enhancement (feature request)
[x] question
[ ] documentation related
[ ] testing related
[ ] discussion

Requirements (place an `x` in each of the `[ ]`)

[x] I've read and understood the Contributing guidelines and have done my best effort to follow them.
[x] I've read and agree to the Code of Conduct.
[x] I've searched for any related issues and avoided creating a duplicate issue.

drauch commented 5 years ago

Note: our link length is still far below the 40.000 characters limit documented here https://api.slack.com/changelog/2018-04-truncating-really-long-messages

drauch commented 5 years ago

OK, I just realized that my colleague used a GET request instead of a POST request. That ran into the limit of GET requests.

slackapi / slack-api-specs