Find the right plan

All plans include unlimited users and unlimited seats. No credit card required.

Slack SMS

Send and receive text messages inside of Slack. Either bring your existing number, or choose your own.

per month
  • Includes 250 SMS / mo
  • $19.99 per additional 500 SMS
Twilio API
per month
  • Includes 5,000 SMS / mo
  • $9.99 per additional 5,000 SMS
Features Unlimited Starter Twilio API
SMS / MMS Unlimited 250 / mo 5000 / mo
Included Phone Numbers 1 1 1
Unlimited Team Members
Unlimited Contacts
Unlimited Slack Channels
Picture Messages (MMS)
Import Contacts
Local Area Code
SMS Campaigns
Scheduled Messages
Priority Support

*Prices reflect US/Canada ONLY. International pricing varies. Subject to fair use policy. Add-ons priced seperately.

Clerk Is Built For Enterprise

Committed-use and volume discount plans starting from $0.025 / sms. We also build custom solutions tailored to your business needs.

Clerk MFA

We support both VoIP and Non-VoIP phone numbers. All plans include unlimited users and unlimited seats.

Try for free, no credit card required.
$29.99/ mo
  • Voice Enabled VoIP Number
  • Works with Most Services

*Request a non-voip number by reaching out to support.

Clerk Email

The power of email now inside of Slack. Connect your Inbox, send and receive email andcollaborate with your team in Slack.

Free Plan

Start free trial
Features Unlimited Plan Free Plan
Send & Receive Email in Slack
Unlimited Team Members
Unlimited Slack Channels
Attachment Support
Unlimited Emails 10 emails

Trusted by 1,000+ brands

From startups to the Fortune 500, Clerk is the most visual and simple way for teams to comminicate via text message in Slack.

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Ask Us Anything

Learn more about Clerk

We bill our services up front, so you pre-pay for your plan. Monthly subscription fees are due immediately and must be paid by valid credit card. Annual subscription fees can be paid by valid credit card, ACH, or wire transfer and are due immediately.

At this time, we can only receive payment in US Dollars ($).

No. Add-ons are priced separately and can be enabled directly from your Slack workspace.

Yes, you can change or cancel the subscription at any time.

We're more than happy to complete a security questionnaire for customers considering a Professional and Enterprise plans. Please reach out to our support team if you have any questions around Clerk's security practices.

Absolutely. You can start a free trial today—no credit card required.

Talk to a real customer success specialist, respond in less than 90 seconds hours 6:00 am PST - 9:00 pm PST