runsonwhat

Postcrossing's tech stack

What does Postcrossing use?

Postcrossing (postcrossing.com) uses at least 15 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Plausible for analytics and Shopify for its website. Last checked .

Industry
Internet
Size
1–10 employees
Based in
Porto, Portugal
LinkedIn
Company page
Re-check liveVisit postcrossing.com
Tools found
15
Categories
8
Layers
4 of 5
Last checked
Oct 2026

Postcrossing'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

2 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

Data & Observability

1 tool, what they measure and store

Analytics

Go-to-market

5 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Company Ops

7 tools, what the team runs on day to day

Workspace

Security & Compliance

Companies like Postcrossing also use

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

Companies with a stack like Postcrossing's

Ranked by shared tools, with rare tools counting more.

More Internet companies

Other Internet companies we've checked.

Postcrossing tech stack FAQ

What tools does Postcrossing use?

As of October 2026, runsonwhat has found 15 tools at Postcrossing (postcrossing.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Data & Observability: Plausible. Go-to-market: Meta Pixel, Shopify and Google Ad Manager. Company Ops: Microsoft 365, Google Workspace and Let's Encrypt. Last checked October 20, 2026.

What cloud does Postcrossing run on?

Postcrossing 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. Amazon Web Services is used by 145,883 companies runsonwhat tracks.

What email provider does Postcrossing use?

Postcrossing 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. Microsoft 365 is used by 713,661 companies runsonwhat tracks.

What analytics tools does Postcrossing use?

Postcrossing uses Plausible for analytics, according to runsonwhat (October 2026). runsonwhat found Plausible through Plausible code on postcrossing.com. Plausible is used by 7,160 companies runsonwhat tracks.

What is Postcrossing's website built with?

Postcrossing uses Shopify for its website, according to runsonwhat (October 2026). runsonwhat found Shopify through a subdomain that points at Shopify. Shopify is used by 59,735 companies runsonwhat tracks.

What marketing software does Postcrossing use?

Postcrossing uses Brave Creators for marketing, according to runsonwhat (October 2026). runsonwhat found Brave Creators through a DNS verification record for Brave Creators. Brave Creators is used by 849 companies runsonwhat tracks.

Does Postcrossing use Cloudflare?

Yes. runsonwhat found Cloudflare at Postcrossing through DNS records that point at Cloudflare and code on postcrossing.com. Cloudflare is a CDN & Edge tool used by 706,396 companies runsonwhat tracks.

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

The companies with the stacks most like Postcrossing's are Icoa, Hubly Technologies, Citiservi and Raqiim, according to runsonwhat (October 2026). Each shares 4 to 8 tools with Postcrossing, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Postcrossing uses?

runsonwhat reads public records only. Of the 15 tools at Postcrossing, 9 were found through DNS records, 2 through email records, 2 through subdomains that point at the vendor, 1 through website configuration files and 1 through code on postcrossing.com. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and postcrossing.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.