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Technologies / Chargify / Zendesk

Companies using Chargify and Zendesk

5 companies in our data have public evidence for both Chargify and Zendesk, and 1 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.

5companies use both
56%of Chargify users
1%of Zendesk users
1name both as subprocessors

Companies using one are 15 times as likely as the average company in our data to show evidence of the other.

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

CompanyChargifyZendesk
1Stream1stream.com1Stream provides an AI-integrated communications platform that combines voice, messaging, and video with AI agents and integrations to PSA and IT tools.CommunicationsCustomer support
Apptotoapptoto.comApptoto provides appointment reminders and client communication tools that work with a business's existing calendar.Productivity and collaboration
Email on Acidemailonacid.comEmail on Acid provides email preview and quality assurance tools for testing emails before they are sent.
Mailgunmailgun.comMailgun provides email API and SMTP services to send, receive, and track emails, along with tools to optimize, validate, and preview emails.CommunicationsDeveloper tools
Ziflowziflow.comZiflow provides an online proofing platform for reviewing and approving creative content.MarketingProductivity and collaboration

The two technologies

Chargify

Payments

Chargify is a billing and subscription platform for SaaS companies. It is used to bill through simple subscriptions or complex usage and events-based models.

Summarized from go.chargify.com on 8 Nov 2026.

56% of the 9 companies we see using Chargify also show the other.

All 9 companies using ChargifyMore in Payments

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.

1% of the 899 companies we see using Zendesk also show the other.

All 899 companies using Zendesk653 name it as a subprocessorMore in Support and chat

Industries

Among the companies above, by our own classification of their homepage.

Communications2Productivity and collaboration2

Other pairs

Companies with their own evidence for both.

More with Chargify

Cloudflare9companiesGoogle Analytics7companiesGoogle Tag Manager7companiesGoogle Workspace5companies

More with Zendesk

Cloudflare865companiesAmazon Web Services627companiesGoogle Workspace621companiesGoogle Tag Manager576companiesGoogle395companiesHubSpot394companies

Questions

How many companies use both Chargify and Zendesk?

5 companies in StrataDB's data have public evidence for both, and 1 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 Chargify and Zendesk?

1Stream, Apptoto, Email on Acid, Mailgun and Ziflow. Each one links to the evidence behind it.

How does StrataDB know a company uses Chargify 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 Chargify 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
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