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Technologies / Sift Science / Zendesk

Companies using Sift Science and Zendesk

3 companies in our data have public evidence for both Sift Science and Zendesk, and 2 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
43%of Sift Science users
under 1%of Zendesk users
2name 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

CompanySift ScienceZendesk
Shippogoshippo.comShippo provides a shipping app and API for printing labels, connecting stores and carriers, and managing tracking and returns.Developer toolsE-commerce
PartnerStackpartnerstack.comPartnerStack provides a partner relationship management platform for running co-sell, affiliate, influencer and customer referral programs.
Closeclose.comClose is a sales CRM that combines calling, email, SMS, pipeline management, reporting, and an AI sales agent named Chloe into a single platform.Sales

The two technologies

Sift Science

Security and identity

Sift Science is a fraud detection platform. It is used to detect risk, automate decisions, and stop fraud across the customer journey.

Summarized from sift.com on 8 Nov 2026.

43% of the 7 companies we see using Sift Science also show the other.

All 7 companies using Sift Science5 name it as a subprocessorMore in Security and identity

Zendesk

Support and chat

Zendesk is an AI-first service platform. It is used to deliver customer service resolutions across channels.

Summarized from zendesk.com on 8 Nov 2026.

under 1% of the 904 companies we see using Zendesk also show the other.

All 904 companies using Zendesk656 name it as a subprocessorMore in Support and chat

Other pairs

Companies with their own evidence for both.

More with Sift Science

Cloudflare7companiesAmazon Web Services6companiesGoogle Tag Manager6companiesGoogle Workspace6companiesStripe5companies

More with Zendesk

Cloudflare869companiesAmazon Web Services631companiesGoogle Workspace623companiesGoogle Tag Manager577companiesGoogle397companiesHubSpot395companies

Questions

How many companies use both Sift Science and Zendesk?

3 companies in StrataDB's data have public evidence for both, and 2 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 Sift Science and Zendesk?

Shippo, PartnerStack and Close. Each one links to the evidence behind it.

How does StrataDB know a company uses Sift Science and Zendesk?

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 Sift Science and Zendesk

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
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