Clerk - SMS for Slack

Customers, contractors, and partners never have to install an app to message your team. It’s perfect for keeping track of customer support, operations, and sales messages. Confirm appointments, ask for reviews, offer promotions, the possibilities are endless.


Easy, Secure, and Reliable Business Text Messaging

Text messaging has a 98% open rate and over a 50% reply rate. Clerk allows you to engage with leads more efficiently and reduce the time it takes to qualify them.

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Start a new business text conversation from Slack

Using Clerk command to send business text messages to any of your contacts. It's simple for people to text your existing business phone number. Or get a new phone number. Your team will see the customer’s messages in Slack and can reply. And since it’s Slack, all messages are searchable for future reference.

Get Started Today
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Read and reply to SMS on any mobile phone

Use your desktop computer, iPad or a cellphone through the Slack app and get notifications instantaneously when someone texts your company. Reach your customers faster: 98% of text messages are read within the first few minutes that they are received.

Try For Free
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Industries that love Clerk

Start texting your customers today. Keep your company’s text messages organized and secure with Clerk.


Reach your customers faster and grow your customer base more efficiently. Close sales by answering customer questions quickly.

Law Firms

Attorneys, paralegals, and assistants can schedule and confirm legal appointments, submit document requests, and confirm court dates.

Insurance Agencies

Send text messages to reach your team on the mobile devices that they are already using.

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Real Estate

Connect with prospects and close more deals. Create a better customer experience.

Support Teams

Increase efficiency of your support teams and handle multiple customer issues simultaneously all in Slack.

Medical Offices

Send SMS to confirm appointments, change treatments, or ask questions. SMS enable your business phone number, while keeping the existing voice service intact.

Pricing plans

Simple pricing for unlimited access. Try for free, no credit card required.

per month
  • 25 SMS
  • Send & Receive SMS
  • CallerID
  • Address Book
per month
  • 1200 SMS
  • Send & Receive SMS
  • CallerID
  • Address Book
  • Access To Add-ons
  • Free Cancellation

$5 Add-ons you will love

Make communication fun and simple. Incorporate technology into your business.

Import Your Number
Choose Your Area Code
International Numbers
Multiple Numbers
16 Feb, 2020

SMS text from Slack? Now you can with Clerk

SMS is the new email. Now that almost everyone has a smartphone, or at least a cellphone, SMS and MMS are becoming consumers’ and employees’ preferred way of connecting with companies and brands.

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Helpful answers

We know there's a lot to learn and read about all that Clerk can do. Here are some of the most frequently asked questions.

Yes. Clerk allows to send and receive txt messages coming from your phone number. Just let us know what number or area code you would like to use and we will set it up.

Yes. Clerk allows you to have a unique phone number in every Slack channel.

Absolutely. Please reach out to and we will get back to you asap.

Not at this time. This feature is actively being worked on and will be available soon.

Use Clerk the same way you would use your mobile phone. Both emoji and image messages are suported.

Yes. Clerk includes a free 10 message trial.