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Technologies / Kaleyra / Sinch

Companies using Kaleyra and Sinch

3 companies in our data have public evidence for both Kaleyra and Sinch, and 3 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

3companies use both
60%of Kaleyra users
5%of Sinch users
3name both as subprocessors

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyKaleyraSinch
Everbridgeeverbridge.comEverbridge provides a platform for managing critical events, risk intelligence, business continuity, and mass notification.CommunicationsGovernment and public sector
Genesysgenesys.cloudGenesys provides a cloud customer experience platform with AI-powered tools for contact centers, including voice, digital engagement, workforce optimization, and analytics.Customer support
Marigoldmeetmarigold.comMarigold provides marketing tools that use automation and personalization to reach audiences across channels.Marketing

The two technologies

Kaleyra

Email and communications

Kaleyra is an omnichannel API platform. It is used to communicate with SMS, Voice, Email, WhatsApp, VMN and OBD APIs.

Summarized from support.kaleyra.com on 9 Nov 2026.

60% of the 5 companies we see using Kaleyra also show the other.

All 5 companies using Kaleyra5 name it as a subprocessorMore in Email and communications

Sinch

Email and communications

Sinch is a communications platform that provides APIs and applications for messaging, voice, email, verification, and numbers. It is used by businesses to engage customers, send notifications and alerts, verify identities, and support customer care across channels such as SMS, RCS, WhatsApp, and voice.

Summarized from sinch.com on 8 Nov 2026.

5% of the 55 companies we see using Sinch also show the other.

All 55 companies using Sinch51 name it as a subprocessorMore in Email and communications

Other pairs

Companies with their own evidence for both.

More with Kaleyra

Amazon Web Services5companiesCloudflare5companiesTwilio5companies

More with Sinch

Cloudflare55companiesGoogle Workspace39companiesAmazon Web Services33companiesGoogle28companiesGoogle Tag Manager27companiesTwilio22companies

Questions

How many companies use both Kaleyra and Sinch?

3 companies in StrataDB's data have public evidence for both, and 3 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use Kaleyra and Sinch?

Everbridge, Genesys and Marigold. Each one links to the evidence behind it.

How does StrataDB know a company uses Kaleyra and Sinch?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using Kaleyra and Sinch

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call