runsonwhat

Postmark's tech stack

What does Postmark use?

Postmark (postmarkapp.com) uses at least 27 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Zendesk for customer support and Google Analytics for analytics. Last checked .

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Tools found
27
Categories
12
Layers
5 of 5
Last checked
Oct 2026

Postmark's stack, layer by layer

Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.

Edge & Hosting

3 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

DNS

Application

2 tools, what the product is built with

Frontend

AI

Data & Observability

6 tools, what they measure and store

Monitoring

Analytics

Go-to-market

12 tools, how they find and keep customers

Marketing

Ads & Pixels

Support & Docs

Company Ops

4 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like Postmark also use

Tools common among companies with a similar stack that we haven't found at Postmark.

Companies with a stack like Postmark's

Ranked by shared tools, with rare tools counting more.

Postmark tech stack FAQ

What tools does Postmark use?

As of October 2026, runsonwhat has found 27 tools at Postmark (postmarkapp.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: Tailwind CSS. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, OneTrust and DMARC Digests. Last checked October 12, 2026.

What cloud does Postmark run on?

Postmark uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on postmarkapp.com. Amazon Web Services is used by 145,100 companies runsonwhat tracks.

What email provider does Postmark use?

Postmark uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on postmarkapp.com. Google Workspace is used by 399,623 companies runsonwhat tracks.

What does Postmark use for customer support?

Postmark uses Zendesk for customer support and documentation, alongside Help Scout, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on postmarkapp.com. Zendesk is used by 41,178 companies runsonwhat tracks.

What analytics tools does Postmark use?

Postmark uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on postmarkapp.com. Google Analytics is used by 859,427 companies runsonwhat tracks.

What marketing software does Postmark use?

Postmark uses Rewardful for marketing, according to runsonwhat (October 2026). runsonwhat found Rewardful through Rewardful code on postmarkapp.com. Rewardful is used by 1,880 companies runsonwhat tracks.

Does Postmark use Cloudflare?

Yes. runsonwhat found Cloudflare at Postmark through Cloudflare code on postmarkapp.com. Cloudflare is a CDN & Edge tool used by 695,635 companies runsonwhat tracks.

Which companies have a tech stack similar to Postmark's?

The companies with the stacks most like Postmark's are Pipedrive, Flipsnack, CarePortal and Cloudfabric, according to runsonwhat (October 2026). Each shares 3 to 14 tools with Postmark, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Postmark uses?

runsonwhat reads public records only. Of the 27 tools at Postmark, 17 were found through code on postmarkapp.com, 4 through email records, 3 through DNS records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and postmarkapp.com about monthly.

We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.