runsonwhat

Cielo's tech stack

What does Cielo use?

Cielo (cielo.com.br) uses at least 37 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, Salesforce for sales and WhatsApp Business for customer support. Last checked .

“Não perca mais vendas! As soluções de pagamento da Cielo são práticas e seguras, garantindo uma boa experiência de compra para seus clientes.”

Industry
Financial Services
Size
1,001–5,000 employees
Based in
Barueri, Brazil
Founded
1995
LinkedIn
Company page
Re-check liveVisit cielo.com.br
Tools found
37
Categories
19
Oldest proven tool
Apr 2016
Changes seen
2

Cielo'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

5 tools, what the product is built with

Frontend

Backend & Database

AI

Media & UI

Data & Observability

11 tools, what they measure and store

Monitoring

Analytics

Flags & Experiments

Go-to-market

6 tools, how they find and keep customers

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

13 tools, what the team runs on day to day

Email Delivery

Workspace

Collaboration

Dev Tools

People & HR

Security & Compliance

What changed at Cielo

Recent starts and stops

  1. StartedQualtrics
  2. StartedWebex

Using since

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

  1. Akamai
  2. Atlassian Statuspage
  3. ReadMe

Companies like Cielo also use

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

Companies with a stack like Cielo's

Ranked by shared tools, with rare tools counting more.

More Financial Services companies

Other Financial Services companies we've checked.

Cielo tech stack FAQ

What tools does Cielo use?

As of October 2026, runsonwhat has found 37 tools at Cielo (cielo.com.br) in public records. Edge & Hosting: Amazon Web Services and Akamai. Application: Google Fonts, Anthropic and Vue.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, WhatsApp Business and Zendesk. Company Ops: Microsoft 365, SendGrid and Apple Business. Last checked October 9, 2026.

What cloud does Cielo run on?

Cielo 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 and code on cielo.com.br. Amazon Web Services is used by 144,252 companies runsonwhat tracks.

What CRM does Cielo use?

Cielo uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on cielo.com.br. Salesforce is used by 32,938 companies runsonwhat tracks.

What email provider does Cielo use?

Cielo uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and code on cielo.com.br. Microsoft 365 is used by 694,670 companies runsonwhat tracks.

What does Cielo use for customer support?

Cielo uses WhatsApp Business for customer support and documentation, alongside Zendesk and ReadMe, according to runsonwhat (October 2026). runsonwhat found WhatsApp Business through WhatsApp Business code on cielo.com.br. WhatsApp Business is used by 131,903 companies runsonwhat tracks.

What analytics tools does Cielo use?

Cielo uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Qualtrics, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on cielo.com.br. Google Analytics is used by 838,266 companies runsonwhat tracks.

How long has Cielo used Akamai?

Cielo has used Akamai since at least April 2016, going by the first public certificate of the cielo.com.br subdomain that points at Akamai. Other long-running tools at Cielo include Atlassian Statuspage (since August 2023) and ReadMe (since August 2024).

Does Cielo use Google Fonts?

Yes. runsonwhat found Google Fonts at Cielo through Google Fonts code on cielo.com.br. Google Fonts is a Media & UI tool used by 781,324 companies runsonwhat tracks.

Does Cielo use AI tools?

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

Has Cielo changed tools recently?

Yes. On runsonwhat's rechecks, Cielo started using Qualtrics and Webex (latest on October 9, 2026). A change counts only between two checks of cielo.com.br done the same way.

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

The companies with the stacks most like Cielo's are FIS Global, Geidea, ClearScore and Polígono Capital, according to runsonwhat (October 2026). Each shares 8 to 12 tools with Cielo, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Cielo uses?

runsonwhat reads public records only. Of the 37 tools at Cielo, 14 were found through code on cielo.com.br, 14 through DNS records, 5 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and cielo.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.