runsonwhat

API Watermark's tech stack

What does API Watermark use?

API Watermark (apiwatermark.com) uses at least 8 tools we can see from public records, including Vercel for hosting, PostHog for analytics and Let's Encrypt for security. Last checked .

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Tools found
8
Categories
5
Layers
5 of 5
Last checked
Oct 2026

API Watermark'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

1 tool, where the bytes are served from

Hosting & Cloud

Application

1 tool, what the product is built with

Frontend

Data & Observability

2 tools, what they measure and store

Analytics

Go-to-market

1 tool, how they find and keep customers

Marketing

Company Ops

3 tools, what the team runs on day to day

Security & Compliance

Companies like API Watermark also use

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

Companies with a stack like API Watermark's

Ranked by shared tools, with rare tools counting more.

API Watermark tech stack FAQ

What tools does API Watermark use?

We've found 8 tools at API Watermark (apiwatermark.com). Edge & Hosting: Vercel. Application: Next.js. Data & Observability: PostHog and Vercel Analytics. Company Ops: Let's Encrypt, Sectigo and Google Trust Services. Last checked October 2, 2026.

What cloud does API Watermark run on?

API Watermark uses Vercel for hosting. We found Vercel through DNS records.

What analytics tools does API Watermark use?

API Watermark uses PostHog and Vercel Analytics for analytics. We found PostHog through website code.

Does API Watermark use Let's Encrypt?

Yes. We found Let's Encrypt at API Watermark through DNS records. Let's Encrypt is used by 23,019 companies we track.

How does runsonwhat know what API Watermark uses?

We read public traces only: API Watermark's DNS and email records, certificate logs, the code its website loads, and published subprocessor lists. A tool is listed only when a direct record backs it up. DNS is rechecked weekly and the website 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.