What does Transactional Email API Service For Developers | Mailgun use?

As of October 2026, runsonwhat has found 40 tools at Transactional Email API Service For Developers | Mailgun (mailgun.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Stripe and Algolia. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: WordPress, Google Ads and Yoast SEO. Company Ops: Microsoft 365, Google Workspace and reCAPTCHA. Last checked October 11, 2026.

Transactional Email API Service For Developers | Mailgun uses Amazon Web Services for hosting and cloud infrastructure, alongside WP Engine and Netlify, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on mailgun.com. Amazon Web Services is used by 144,833 companies runsonwhat tracks.

Transactional Email API Service For Developers | Mailgun uses HubSpot for its CRM, alongside ZoomInfo, 6sense and Qualified, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot. HubSpot is used by 92,024 companies runsonwhat tracks.

Transactional Email API Service For Developers | Mailgun uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and a DNS verification record. Microsoft 365 is used by 701,679 companies runsonwhat tracks.

Transactional Email API Service For Developers | Mailgun uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Transactional Email API Service For Developers | Mailgun has used it since at least February 2016. Zendesk is used by 40,909 companies runsonwhat tracks.

Transactional Email API Service For Developers | Mailgun uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on mailgun.com. Stripe is used by 26,245 companies runsonwhat tracks.

Transactional Email API Service For Developers | Mailgun has used Zendesk since at least February 2016, going by the first public certificate of the mailgun.com subdomain that points at Zendesk. Other long-running tools at Transactional Email API Service For Developers | Mailgun include Netlify (since April 2018) and Atlassian Statuspage (since January 2019).

Yes. runsonwhat found Cloudflare at Transactional Email API Service For Developers | Mailgun through Cloudflare code on mailgun.com. Cloudflare is a CDN & Edge tool used by 692,155 companies runsonwhat tracks.

The companies with the stacks most like Transactional Email API Service For Developers | Mailgun's are Typeform.com, Iterable, Centrify and UserTesting, according to runsonwhat (October 2026). Each shares 17 to 23 tools with Transactional Email API Service For Developers | Mailgun, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

runsonwhat reads public records only. Of the 40 tools at Transactional Email API Service For Developers | Mailgun, 17 were found through code on mailgun.com, 13 through DNS records, 6 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and mailgun.com about monthly.