S2, the durable stream API's tech stack
What does S2, the durable stream API use?
S2, the durable stream API (s2.dev) uses at least 21 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, Discord for customer support and Google Analytics for analytics. Last checked .
“S2 is the serverless API for unlimited, durable, real-time streams, built for event streaming, AI agents, realtime apps, and stream processing.”
- Industry
- Infrastructure
- Size
- 1–10 employees
- Based in
- San Francisco, United States
- Founded
- 2023
- Company page
- Tools found
- 21
- Categories
- 15
- Layers
- 5 of 5
- Last checked
- Oct 2026
S2, the durable stream API'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
Application
8 tools, what the product is built with
Auth & Identity
Payments & Billing
Media & UI
Data & Observability
4 tools, what they measure and store
Monitoring
Go-to-market
4 tools, how they find and keep customers
Ads & Pixels
Support & Docs
Company Ops
3 tools, what the team runs on day to day
Companies like S2, the durable stream API also use
Tools common among companies with a similar stack that we haven't found at S2, the durable stream API.
Companies with a stack like S2, the durable stream API's
Ranked by shared tools, with rare tools counting more.
CovalEngineering, Product and Design · 1–10 people9in common
SensoB2B · 1–10 people10in common
ConduitB2B · 11–50 people15in common
Pulse AIInfrastructure · 11–50 people9in common
ProvisionInfrastructure · 11–50 people11in common
&AILegal · 1–10 people11in common
ParseB2B · 1–10 people12in common
AglideB2B · 1–10 people7in common
More Infrastructure companies
Other Infrastructure companies we've checked.
S2, the durable stream API tech stack FAQ
What tools does S2, the durable stream API use?
We've found 21 tools at S2, the durable stream API (s2.dev). Edge & Hosting: Cloudflare and Vercel. Application: Google Fonts, YouTube and React. Data & Observability: Google Analytics, web-vitals and PostHog. Go-to-market: Google Ads and Discord. Company Ops: Google Workspace, Resend and Oneleet. Last checked October 2, 2026.
What cloud does S2, the durable stream API run on?
S2, the durable stream API uses Vercel for hosting. We found Vercel through custom domain, DNS verification records, DNS records and website code.
What email provider does S2, the durable stream API use?
S2, the durable stream API uses Google Workspace for email and documents. We found Google Workspace through email records.
What does S2, the durable stream API use for customer support?
S2, the durable stream API uses Discord for customer support. We found Discord through website code.
What payment provider does S2, the durable stream API use?
S2, the durable stream API uses Stripe for payments. We found Stripe through DNS verification records and website code.
What analytics tools does S2, the durable stream API use?
S2, the durable stream API uses Google Analytics and PostHog for analytics. We found Google Analytics through website code.
Does S2, the durable stream API use Cloudflare?
Yes. We found Cloudflare at S2, the durable stream API through DNS records, email records and website code. Cloudflare is used by 567,560 companies we track.
How does runsonwhat know what S2, the durable stream API uses?
We read public traces only: S2, the durable stream API'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.