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

36 providers fit what you need

36 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
  • Solves: Customer support & service
  • 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

Sinch

Messaging, voice and verification at carrier scale, assembled substantially through acquisition.

Strong match100
  • Solves: Customer support & service
  • Carrier-scale messaging with strong RCS support

Check first: Built by acquisition: check that the products you need share one API style

Full profile
3

Twilio

Programmable messaging, voice, video and email APIs with per-country published pricing.

Strong match100
  • Solves: Customer support & service
  • Extensive public documentation and SDKs

Check first: Sender-ID registration is still a local process in many countries (US 10DLC, India DLT, several Gulf states): ask for timelines per country

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

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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

Other providers that fit (33)

  • VonageMessaging, voice, video and verification APIs, now part of Ericsson, with a contact-centre product alongside.
    Strong match100
  • InfobipFull-stack CPaaS with owned interconnect and a contact centre suite alongside the API.
    Strong match100
  • 360dialogGerman WhatsApp Business Solution Provider selling direct access to the WhatsApp Business API for a monthly licence per number.
    Strong match100
  • ZendeskCustomer-service suite whose messaging brings web, in-app and social channels into the same agent workspace as email tickets.
    Strong match100
  • Genesys CloudEnterprise cloud contact centre for voice and digital channels, with routing, workforce engagement and AI agents, from a company founded in 1990.
    Strong match100
  • SendbirdChat 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

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
36solve your problem
36fit well enough to show
How ranking works →