runsonwhat

Base39's tech stack

What does Base39 use?

Base39 (base39.com.br) uses at least 26 tools we can see from public records, including Vercel for hosting, Apollo.io for sales, PostHog for analytics and Stripe for payments. Base39 started using Astro in Nov 2026 and has used Vercel since Aug 2023, going by certificate records. Last checked .

Industry
Software
Size
51–200 employees
Based in
São Paulo, Brazil
LinkedIn
Company page
Re-check liveVisit base39.com.br
Tools found
26
Categories
16
Oldest proven tool
Aug 2023
Changes seen
7

Base39's stack, layer by layer

Of 26 tools, 15 came from DNS verification records, 5 from custom domain, 4 from website code and 2 from other records. 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

6 tools, what the product is built with

Frontend

Auth & Identity

Backend & Database

AI

Payments & Billing

Data & Observability

2 tools, what they measure and store

Analytics

Go-to-market

4 tools, how they find and keep customers

Marketing

Ads & Pixels

Sales & CRM

Company Ops

11 tools, what the team runs on day to day

Workspace

Collaboration

Dev Tools

Security & Compliance

What changed at Base39

Recent starts and stops

  1. StartedAstro
  2. StartedClerk
  3. StoppedFramer
  4. StoppedGoogle Fonts
  5. StoppedHubSpot
  6. StoppedResend
  7. StoppedZendesk

Using since

Dates come from the first certificate of the subdomain that points at the tool.

  1. Vercel
  2. Dub
  3. Auth0

Companies like Base39 also use

Tools common among companies with a similar stack that we haven't found at Base39.

Companies with a stack like Base39's

Ranked by shared tools, with rare tools counting more.

More Software companies

Other Software companies we've checked.

Base39 tech stack FAQ

What tools does Base39 use?

As of November 2026, runsonwhat has found 26 tools at Base39 (base39.com.br) in public records. Edge & Hosting: Amazon Route 53, Amazon CloudFront and Vercel. Application: Anthropic, Stripe and Astro. Data & Observability: Google Analytics and PostHog. Go-to-market: Meta Pixel, Apollo.io and Dub. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked November 7, 2026.

What cloud does Base39 run on?

Base39 uses Vercel for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Vercel through a subdomain that points at Vercel and a DNS verification record, and Base39 has used it since at least August 2023. Vercel is used by 53,205 companies runsonwhat tracks.

What sales tools does Base39 use?

The sales tools runsonwhat has found at Base39 are Apollo.io (November 2026); no CRM shows up in Base39's public records. runsonwhat found Apollo.io through Apollo.io code on base39.com.br. Apollo.io is used by 11,586 companies runsonwhat tracks.

What email provider does Base39 use?

Base39 uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 734,184 companies runsonwhat tracks.

What payment provider does Base39 use?

Base39 uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 31,412 companies runsonwhat tracks.

What analytics tools does Base39 use?

Base39 uses Google Analytics for analytics, alongside PostHog, according to runsonwhat (November 2026). runsonwhat found Google Analytics through Google Analytics code on base39.com.br. Google Analytics is used by 903,920 companies runsonwhat tracks.

How long has Base39 used Vercel?

Base39 has used Vercel since at least August 2023, going by the first public certificate of the base39.com.br subdomain that points at Vercel. Other long-running tools at Base39 include Dub (since October 2024) and Auth0 (since November 2024).

Does Base39 use Meta Pixel?

Yes. runsonwhat found Meta Pixel at Base39 through a DNS verification record for Meta Pixel. Meta Pixel is a Ads & Pixels tool used by 422,475 companies runsonwhat tracks.

Does Base39 use AI tools?

Yes. runsonwhat has found Anthropic at Base39; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Base39 may use more AI tools than these.

Has Base39 changed tools recently?

Yes. On runsonwhat's rechecks, Base39 started using Astro and Clerk (latest on November 7, 2026) and stopped using Framer, Google Fonts and HubSpot (latest on November 7, 2026). A change counts only between two checks of base39.com.br done the same way.

Which companies have a tech stack similar to Base39's?

The companies with the stacks most like Base39's are Superapp, weweb.io, Trayo AI and Rekonnection, according to runsonwhat (November 2026). Each shares 5 to 16 tools with Base39, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Base39 uses?

runsonwhat reads public records only. Of the 26 tools at Base39, 16 were found through DNS records, 5 through subdomains that point at the vendor, 4 through code on base39.com.br and 1 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and base39.com.br 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.