runsonwhat

Affirm's tech stack

What does Affirm use?

Affirm (affirm.com) uses at least 59 tools we can see from public records, including Amazon Web Services for hosting, Google Workspace for email and documents, Salesforce for sales and Zendesk for customer support. Last checked .

Industry
Fintech
Size
1,001–5,000 employees
Based in
San Francisco, United States
Founded
2012
LinkedIn
Company page
Tools found
59
Categories
24
Oldest proven tool
Apr 2016
Last checked
Oct 2026

Affirm'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.

What changed at Affirm

Using since

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

  1. Cloudflare
  2. Marketo
  3. Amazon CloudFront
  4. Pardot
  5. Salesforce Marketing Cloud
  6. Salesforce
  7. Notified
  8. Netlify
  9. Branch
  10. SafeBase

Affirm tech stack FAQ

What tools does Affirm use?

As of October 2026, runsonwhat has found 59 tools at Affirm (affirm.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Anthropic and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, SendGrid and Atlassian. Last checked October 7, 2026.

What cloud does Affirm run on?

Affirm uses Amazon Web Services for hosting and cloud infrastructure, alongside Netlify, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on affirm.com. Amazon Web Services is used by 144,335 companies runsonwhat tracks.

What CRM does Affirm use?

Affirm uses Salesforce for its CRM, alongside Demandbase, according to runsonwhat (October 2026). runsonwhat found Salesforce through a subdomain that points at Salesforce, and Affirm has used it since at least October 2020. Salesforce is used by 32,945 companies runsonwhat tracks.

What email provider does Affirm use?

Affirm 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 393,488 companies runsonwhat tracks.

What does Affirm use for customer support?

Affirm uses Zendesk for customer support and documentation, alongside Decagon, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,328 companies runsonwhat tracks.

What payment provider does Affirm use?

Affirm uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on affirm.com. Stripe is used by 25,700 companies runsonwhat tracks.

How long has Affirm used Cloudflare?

Affirm has used Cloudflare since at least April 2016, going by the first public certificate of the affirm.com subdomain that points at Cloudflare. Other long-running tools at Affirm include Marketo (since February 2017), Amazon CloudFront (since June 2018) and Pardot (since July 2019).

Does Affirm use Cloudflare?

Yes. runsonwhat found Cloudflare at Affirm through a subdomain that points at Cloudflare and DNS records, in use since at least April 2016. Cloudflare is a CDN & Edge tool used by 687,217 companies runsonwhat tracks.

Does Affirm use AI tools?

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

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

The companies with the stacks most like Affirm's are Relay Financial, The Weather Channel, Wonder Group and Grubhub, according to runsonwhat (October 2026). Each shares 25 to 39 tools with Affirm, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

How does runsonwhat know what Affirm uses?

runsonwhat reads public records only. Of the 59 tools at Affirm, 23 were found through DNS records, 20 through code on affirm.com, 11 through subdomains that point at the vendor and 5 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and affirm.com 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.