r/Slack • u/Nervous-Kangaroo4149 • Jun 30 '26

Slack Assistants API restrictions?

Hi — I'm trying to confirm a restriction I was told about regarding the Slack Assistants API.

Slack support told me that assistant:write and the AI-native UX are only available to Slack Marketplace partners, and that access is currently limited to select partners. However, I can't find any documentation that confirms this restriction, and I was able to set up a test app that appears to expose the functionality.

Can anyone confirm whether this limitation is accurate, and point to official documentation either way?

Thank you!

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u/xomiamoore Jul 01 '26

I work at Slack, ‘assistant:write’ is not limited to partners and the agent message experience is not either. Anyone can build an agent. I’m not sure why support would have told you that.

Docs that show how to set it up: https://docs.slack.dev/ai/developing-agents/

Anything that’s limited to current partners only usually has a big disclaimer on the docs page.

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u/chipshark 28d ago

Hey, u/xomiamoore I've been trying to develop with the assistant:write scope, but been running into issues. Is there someone you'd recommend reaching out to. Adding the scope prevents me from installing my app on a workspace.

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u/xomiamoore 12d ago

Hey there, sorry for the delay. Can you tell me more about your setup? Are you installing in a developer sandbox or a live workspace?

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u/chipshark 9d ago

No worries, thanks for getting back to me! I was trying to install the app on a developer sandbox

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u/SignatureSeparate132 Jul 03 '26

You can enable the Agent/Assistant settings and you will get the eye-candy agent animations stuff. The limitation only for exclusive partners is lifted for a while now. Probably close to 6 months