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Technologies / Mailgun / Spryng

Companies using Mailgun and Spryng

2 companies in our data have public evidence for both Mailgun and Spryng, 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.

2companies use both
under 1%of Mailgun users
29%of Spryng 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

CompanyMailgunSpryng
CheckHubcheckhub.ioCheckHub is an onboarding software solution that automates document collection, validation, electronic signatures, and identity verification.Compliance and riskHR and recruiting
revel8revel8.airevel8 provides AI-powered security awareness simulations, phishing training, threat intelligence, and risk monitoring.Cybersecurity

The two technologies

Mailgun

by Sinch · Email and communications

Mailgun is a transactional email delivery service and API that developers use to send, receive, track, and validate emails. It also offers tools for optimizing email deliverability and previewing emails before they are sent.

Summarized from mailgun.com on 8 Nov 2026.

under 1% of the 489 companies we see using Mailgun also show the other.

All 489 companies using Mailgun433 name it as a subprocessorMore in Email and communications

Spryng

Email and communications

Spryng is an SMS, RCS, and WhatsApp messaging provider. It is used to send messages such as authentication codes, appointment reminders, and bulk messaging.

Summarized from spryng.nl on 9 Nov 2026.

29% of the 7 companies we see using Spryng also show the other.

All 7 companies using Spryng7 name it as a subprocessorMore in Email and communications

Other pairs

Companies with their own evidence for both.

More with Mailgun

Cloudflare489companiesAmazon Web Services351companiesGoogle Workspace340companiesGoogle Tag Manager269companiesStripe248companiesOpenAI243companies

More with Spryng

Cloudflare7companies

Questions

How many companies use both Mailgun and Spryng?

2 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 Mailgun and Spryng?

CheckHub and revel8. Each one links to the evidence behind it.

How does StrataDB know a company uses Mailgun and Spryng?

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 Mailgun and Spryng

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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