Build SMS, RCS, and voice fast

Simple REST API, webhooks, and SDKs to send, receive, and automate — without changing your phone numbers.

Build SMS, RCS, and voice fast

Quick start
Generate a key, use samples, send your first message in minutes.
Webhooks that just work
Receive delivery receipts, replies, and events to keep your systems in sync.
Secure and scalable
Rate limits, retries, and signed webhooks keep data safe and traffic smooth.

Trusted by 1000+ brands

From startups to the Fortune 500, Clerk Chat is the most compliant and intuitive way for your team to unlock conversational messaging.

#Integrations

Seamless integrations with tools you already use

Browse all integrations

Jeff Gelwix
President @ Sonic Drive-in
Clerk Chat is a beautifully built solution that is flexible, customizable, intuitive, and perfect for collaboration. We love the Clerk Chat platform, but what we love even more is how amazing and caring the team behind it is.
Read more on Trustpilot
Cruz M.
Professional Independent Marketer
As a marketing professional, I had trouble communicating with my contractors because we used Slack and Teams, but they weren't always online. I spent months looking for a tool to help me send text messages or WhatsApp messages to them so they could log in to Zoom and Google Meets. Plus, Clerk Chat also allows me text my clients that I have on HubSpot CRM.
Read more on G2
Katrina Bogany
President of Fab Finishes, Inc.
Clerk Chat is truly the missing piece of the puzzle with Teams! It makes Teams a complete communications solution, by adding the vitally important SMS texting functionality to the platform. In addition, Clerk Chat’s support is excellent.
Read more on Trustpilot

Industries we serve

Custom messaging solutions for your business

Explore more industries

Finance
Send trade alerts and statements, automate follow-ups, and keep client conversations compliant.
Read More
Insurance
Speed up claims — collect photos, schedule adjusters, and nudge renewals with helpful updates.
Read More
Customer service
Answer FAQs instantly, route tickets, and push order updates without keeping customers waiting.
Read More
Enterprise
Scale conversations across teams with SSO, permissions, audit logs, and enterprise-grade controls.
Read More
Healthcare
Reduce no-shows with reminders, triage pre-visit questions, and follow up on care plans.
Read More
Field Services
Dispatch crews, share ETAs, capture on-site photos, and confirm job completion in real time.
Read More

Curious to see the Clerk Agent in action?

Drop your number, pick up the call, and have a chat.