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Technologies / GuideCX / Mailgun

Companies using GuideCX and Mailgun

4 companies in our data have public evidence for both GuideCX and Mailgun, and 4 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.

4companies use both
67%of GuideCX users
1%of Mailgun users
4name 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

CompanyGuideCXMailgun
Chargify is now Maxiochargify.comMaxio provides a billing and financial operations platform for subscription, usage-based, and hybrid billing, along with quoting, revenue recognition, and reporting.Finance and accounting software
Maxiomaxio.comMaxio provides billing, subscription management, revenue recognition, and financial reporting software.Finance and accounting software
Moleculemolecule.ioMolecule provides ETRM trading and risk management software for energy and commodities trading.Energy and climate
NEOGOVneogov.comNEOGOV provides AI-enabled HR software for recruiting, onboarding, performance management, learning, HRIS, and policy management.Government and public sectorHR and recruiting

The two technologies

GUIDEcx is customer onboarding software that gives implementation teams and their customers a shared workspace to track tasks, timelines, milestones, and responsibilities. It is used to manage the handoff from sale to successful implementation and to help customers reach their first value faster.

Summarized from guidecx.com on 8 Nov 2026.

67% of the 6 companies we see using GuideCX also show the other.

All 6 companies using GuideCX6 name it as a subprocessor

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

Other pairs

Companies with their own evidence for both.

More with GuideCX

Amazon Web Services6companiesCloudflare6companiesGoogle Tag Manager6companiesGoogle Analytics5companies

More with Mailgun

Cloudflare489companiesAmazon Web Services351companiesGoogle Workspace340companiesGoogle Tag Manager269companiesStripe248companiesOpenAI243companies

Questions

How many companies use both GuideCX and Mailgun?

4 companies in StrataDB's data have public evidence for both, and 4 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 GuideCX and Mailgun?

Chargify is now Maxio, Maxio, Molecule and NEOGOV. Each one links to the evidence behind it.

How does StrataDB know a company uses GuideCX and Mailgun?

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 GuideCX and Mailgun

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