runsonwhat

Upstream's tech stack

What does Upstream use?

Upstream (upstream.do) uses at least 7 tools we can see from public records, including Google Workspace for email and documents, Apollo.io for sales, Framer for its website and Auth0 for sign-in. Last checked .

“The inbox that handles itself”

Industry
Productivity
Size
1–10 employees
Based in
Paris, France
Re-check liveVisit upstream.do
Tools found
7
Categories
6
Layers
4 of 5
Changes seen
1

Upstream'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

DNS

Application

1 tool, what the product is built with

Auth & Identity

Go-to-market

3 tools, how they find and keep customers

Website & CMS

Marketing

Sales & CRM

Company Ops

1 tool, what the team runs on day to day

Workspace

What changed at Upstream

Recent starts and stops

  1. StartedGandi

Companies like Upstream also use

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

Companies with a stack like Upstream's

Ranked by shared tools, with rare tools counting more.

Upstream tech stack FAQ

What tools does Upstream use?

As of October 2026, runsonwhat has found 7 tools at Upstream (upstream.do) in public records. Edge & Hosting: Amazon Route 53 and Gandi. Application: Auth0. Go-to-market: Apollo.io and Framer. Company Ops: Google Workspace. Last checked October 9, 2026.

What sales tools does Upstream use?

The sales tools runsonwhat has found at Upstream are Apollo.io (October 2026); no CRM shows up in Upstream's public records. runsonwhat found Apollo.io through a subdomain that points at Apollo.io. Apollo.io is used by 10,692 companies runsonwhat tracks.

What email provider does Upstream use?

Upstream uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace. Google Workspace is used by 395,419 companies runsonwhat tracks.

What is Upstream's website built with?

Upstream uses Framer for its website, according to runsonwhat (October 2026). runsonwhat found Framer through a subdomain that points at Framer. Framer is used by 5,884 companies runsonwhat tracks.

What does Upstream use for login and identity?

Upstream uses Auth0 for sign-in and identity, according to runsonwhat (October 2026). runsonwhat found Auth0 through a subdomain that points at Auth0. Auth0 is used by 5,420 companies runsonwhat tracks.

Does Upstream use Amazon Route 53?

Yes. runsonwhat found Amazon Route 53 at Upstream through DNS records that point at Amazon Route 53. Amazon Route 53 is a DNS tool used by 82,501 companies runsonwhat tracks.

Has Upstream changed tools recently?

Yes. On runsonwhat's rechecks, Upstream started using Gandi (latest on October 9, 2026). A change counts only between two checks of upstream.do done the same way.

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

The companies with the stacks most like Upstream's are TestLodge, GoFoodservice, Roof Quotes and Axon Perform, according to runsonwhat (October 2026). Each shares 2 to 4 tools with Upstream, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Upstream uses?

runsonwhat reads public records only. Of the 7 tools at Upstream, 3 were found through subdomains that point at the vendor, 2 through DNS records and 2 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and upstream.do 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.