Slack made the Slack Code API generally available on all Slack plans on October 28, 2026, opening the code-channel system it launched in August 2026 to any developer’s agent. In a post on Slack’s developer blog, the company said more than 150 customers and partners had asked for access to build code-channel experiences for their own agents, a capability previously limited to a handful of launch partners. Slack introduced Slack Code in August alongside partners including Anthropic, Cognition…