
Stronger native helpdesk and support workflows, but less customizable low-level chat and voice APIs.
Clerk Chat records 80,789 monthly visits with -0.9% month-over-month growth and Free Trial, Paid, Contact for Pricing, Free pricing. Sendbird records 203,550 monthly visits with +7.6% growth and Contact for Pricing pricing.

SMS, calling and AI agents on top of Microsoft Teams, Webex and Zoom
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | clerk.chat | sendbird.com |
| Pricing Model | Free Trial, Paid, Contact for Pricing, Free | Contact for Pricing |
| Monthly Visits | 80.79K (80,789) | 203.55K (203,550) |
| MoM Traffic Delta | -757 (-0.9%) | +14.33K (+7.6%) |
| Primary Market & Share | 🇺🇸 United States (47.5%) | 🇿🇦 South Africa (24.2%) |
| Direct Visits / mo | 47.28K | 132.64K |
| User Rating | 4.2 | 4.4 |
| Supported Platforms | Website | Website |

SMS, calling and AI agents on top of Microsoft Teams, Webex and Zoom
Add unlimited SMS, MMS, RCS, WhatsApp and eFax to your existing Microsoft Teams, Webex or Zoom numbers so teams text customers from tools they already use.
Cut calling costs by connecting directly to carriers through Operator Connect, or keep your current provider with bring-your-own-carrier support for Comcast, Bandwidth, Sinch, Twilio and more.
Deploy AI voice and chat agents that answer inquiries, follow up on leads, schedule appointments, manage orders and route complex cases to humans.
Run scalable, human-sounding SMS conversations, send bulk messages with personalized copy, and handle two-way replies in one place.

AI customer experience and communications infrastructure for enterprise
Delight AI acts as an AI concierge that delivers hyper-personalized experiences across the entire customer journey.
Purpose-built AI agents handle support, sales, and service conversations with context and memory.
A proven chat, voice, and video API powers billions of conversations each month for enterprise apps.
Connect AI agents to CRM, helpdesk, and business tools so they can act on live customer data.

Stronger native helpdesk and support workflows, but less customizable low-level chat and voice APIs.
SpecialistSuperior voice and contact center features, but less focused on in-app chat SDKs.
SpecialistSuperior voice and contact center features, but less focused on in-app chat SDKs.

SpecialistDeeper integration with e-commerce platforms, but less tailored for custom in-app messaging apps.

SpecialistAI-powered customer conversation platform for B2C messaging at scale
SpecialistAI-powered customer conversation platform for B2C messaging at scale

Build autonomous AI agents for WhatsApp, email, voice, and every channel your customers use.

AI communication platform for sales and support teams

One shared inbox for WhatsApp, Instagram, Messenger, Telegram and web chat — with AI agents on top.
One shared inbox for WhatsApp, Instagram, Messenger, Telegram and web chat — with AI agents on top.

SpecialistAI-powered shared inbox, live chat, and helpdesk for online businesses
SpecialistAI-powered shared inbox, live chat, and helpdesk for online businesses
Broad enterprise messaging channel coverage, but less polished developer APIs for custom chat.

SpecialistMuch easier no-code chatbot setup from documents, but less robust real-time SDK infrastructure.
SpecialistMuch easier no-code chatbot setup from documents, but less robust real-time SDK infrastructure.

High-end enterprise conversational AI agents, but less developer-centric messaging API flexibility.

Cloud phone system and AI voice agents for sales, support, and call centers
Cloud phone system and AI voice agents for sales, support, and call centers