Top 11 customer service · sms that work with Slack
OpenPhone is the highest-ranked provider in the Top 11 The 11 Best Business Texting Software Platforms that integrates with Slack.
Why this answer
Filtered to entries that publicly document a Slack integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.
Showing all 3 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked The 11 Best Business Texting Software Platforms.
#1OpenPhone(rank #4 in The 11 Best Business Texting Software Platforms)
8.5/9.4The best unified VoIP phone and team texting solution.
Full OpenPhone review · Compare: OpenPhone vs Heymarket · Alternatives
#2Heymarket(rank #9 in The 11 Best Business Texting Software Platforms)
7.6/9.4A powerful shared inbox designed for customer service.
#3Intercom(rank #11 in The 11 Best Business Texting Software Platforms)
7.1/9.4A full customer service platform where SMS is one channel.
Methodology: /methodology · No paid placement ever · Verified .