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Technologies / Mailgun / Prequel

Companies using Mailgun and Prequel

5 companies in our data have public evidence for both Mailgun and Prequel, and 5 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
1%of Mailgun users
56%of Prequel users
5name both as subprocessors

Companies using one are 27 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

CompanyMailgunPrequel
Confirmconfirm.comThe company provides workforce enablement software for learning, engagement, and performance management.
Verogetvero.comVero is a multi-channel customer engagement platform for sending email, SMS, and push messages.CommunicationsMarketing
Iterableiterable.comIterable provides an AI customer engagement platform for creating cross-channel marketing experiences.Marketing
Sequencesequencehq.comSequence provides CPQ, billing, accounts receivable and revenue recognition software for finance teams.Finance and accounting software
WorkRampworkramp.comLearn:Up (formerly WorkRamp) is an AI-driven learning management system that builds and delivers training, including onboarding paths, AI role-play simulations, skills tracking, and reporting.

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.

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

Prequel is an API for data warehouse integrations that replicates live data from a platform to a customer's data warehouse and syncs data from a customer's data warehouse into a platform. It is used by product teams to deliver data transfers to their customers across many database, data warehouse, and object storage services.

Summarized from prequel.co on 8 Nov 2026.

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

All 9 companies using Prequel9 name it as a subprocessorMore in Data

Other pairs

Companies with their own evidence for both.

More with Mailgun

Cloudflare489companiesAmazon Web Services351companiesGoogle Workspace340companiesGoogle Tag Manager269companiesStripe248companiesOpenAI243companies

More with Prequel

Cloudflare9companiesGoogle Workspace9companiesAmazon Web Services8companiesDatadog7companiesOpenAI7companiesSlack7companies

Questions

How many companies use both Mailgun and Prequel?

5 companies in StrataDB's data have public evidence for both, and 5 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 Prequel?

Confirm, Vero, Iterable, Sequence and WorkRamp. Each one links to the evidence behind it.

How does StrataDB know a company uses Mailgun and Prequel?

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 Prequel

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.

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