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

33 providers fit what you need

33 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: Email
  • 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

AWS End User Messaging and Amazon SES

AWS's messaging building blocks: SMS, voice messages, WhatsApp, RCS and push through End User Messaging, and email through Amazon SES.

Strong match100
  • Carries: Email
  • SMS, WhatsApp, push and email inside the AWS account you already run

Check first: Amazon Pinpoint's campaigns, journeys and segments end on 30 October 2026; plan where those will live

Full profile
3

Mailgun

Email API for sending, receiving and tracking transactional and bulk email, owned by Sinch since December 2021.

Strong match100
  • Carries: Email
  • Delivery, temporary-failure and permanent-failure events by webhook

Check first: Plan names and included volumes have changed; compare the current plan and its overage rate per 1,000

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 (30)

  • SinchMessaging, voice and verification at carrier scale, assembled substantially through acquisition.
    Strong match100
  • TwilioProgrammable messaging, voice, video and email APIs with per-country published pricing.
    Strong match100
  • InfobipFull-stack CPaaS with owned interconnect and a contact centre suite alongside the API.
    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
33fit well enough to show
How ranking works →