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Answer a few questions and get a short list, with the reasons.

9 providers fit what you need

9 providers cover everything you asked for. Add a detail or two below — your industry, language or the tools you use — to tell them apart.

1

Azure Communication Services

Microsoft's communications APIs on Azure: voice and video calling, chat, SMS, email and WhatsApp, with Teams interoperability.

Strong match100
  • Carries: In-app chat
  • Calling, chat, SMS, email and WhatsApp under one Azure bill

Check first: SMS sender types depend on the country and your Azure billing address; toll-free numbers only reach the US, Canada and Puerto Rico

Full profile
2

Zendesk

Customer-service suite whose messaging brings web, in-app and social channels into the same agent workspace as email tickets.

Strong match100
  • Carries: In-app chat
  • Messaging, email and tickets in one workspace

Check first: Telegram, Viber and Apple Messages need a separate Sunshine Conversations licence

Full profile
3

Sendbird

Chat API and SDKs, in-app voice and video calls, and an AI customer-service agent (now Delight.ai) working across chat, SMS, email, WhatsApp and voice.

Strong match100
  • Carries: In-app chat
  • Mature chat SDKs with a documented Platform API and signed webhooks

Check first: The AI agent is now a separate brand (Delight.ai) with no public rate card; ask how it is contracted and billed

Full profile
Next: see them side by sidePrices, channels, coverage and what to ask each one, on one page.

Sharpen your matches

Optional

Answer any of these and the list re-orders instantly. Skip what you don't know.

Your industryAny
Your customers' languageAny
Your company sizeAny
Tools you already useAny
CRM
ERP
Help desk
Commerce & bookings
Calendars & meetings
Automation
How you want to set it upAny

Not technical? Choose a ready-to-use service. Developers can choose an API.

PricesAny
Every channel you picked is a mustAny

Other providers that fit (6)

  • StreamAPIs and SDKs for in-app chat, audio and video calling, activity feeds and moderation, from a Boulder-based company founded in the Netherlands.
    Strong match100
  • AgoraNasdaq-listed real-time engagement platform: video and voice calling, live streaming, chat and a conversational AI engine, as SDKs and APIs.
    Strong match100
  • IntercomHelp desk with the Fin AI agent across chat, email, phone, SMS and messaging apps; the company, renamed Fin, is now part of Salesforce.
    Strong match100
  • Tencent Cloud (TRTC, Chat, SMS)Tencent's communications APIs: real-time audio and video (TRTC), in-app chat and global SMS.
    Strong match100
  • Freshworks (Freshchat / Freshdesk Omni)Freshchat messaging and the Freshdesk Omni help desk, with web, in-app, social and WhatsApp conversations in one inbox and a free tier to start.
    Strong match100
  • Webex Connect (Cisco)Cisco's CPaaS, built on the IMImobile platform it bought in 2021: messaging APIs, a visual flow builder and links into Webex Contact Center.
    Strong match100

Read before you decide

How these were ranked

Ranked only on how well each provider's checkable facts fit your answers. No one pays to appear, and no one can pay to rank — including products that share our owner.

72in the catalogue
9fit well enough to show
How ranking works →