runsonwhat

Apollo.io's tech stack

What does Apollo.io use?

Apollo.io (apollo.io) uses at least 59 tools we can see from public records, including Google Cloud for hosting, Microsoft 365 for email and documents, HubSpot for sales and Zendesk for customer support. Last checked .

“Apollo is the AI GTM System that uniquely combines data, intelligence, and execution in one loop helping every business find and win their next customer. Trusted by millions of users and over 600,000 companies worldwide, Apollo combines one of the industry's largest B2B contact databases with a purp”

Industry
Information Technology
Size
201–1,000 employees
Based in
San Francisco, United States
Founded
2015
LinkedIn
Company page
Tools found
59
Categories
19
Oldest proven tool
Jun 2018
Last checked
Oct 2026

Apollo.io'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 Apollo.io

Using since

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

  1. Zendesk
  2. Better Stack
  3. SafeBase
  4. Goldcast
  5. PartnerStack
  6. ReadMe
  7. HubSpot
  8. HubSpot CMS
  9. HubSpot App Developer
  10. Mailgun

Apollo.io tech stack FAQ

What tools does Apollo.io use?

We've found 59 tools at Apollo.io (apollo.io). Edge & Hosting: Cloudflare, Google Cloud and Vercel. Application: React, Tailwind CSS and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 2, 2026.

What cloud does Apollo.io run on?

Apollo.io uses Google Cloud, Vercel and Netlify for hosting. We found Google Cloud through website code.

What CRM does Apollo.io use?

Apollo.io uses HubSpot, ZoomInfo and Chili Piper for sales and CRM. We found HubSpot through custom domain and website code since October 2025.

What email provider does Apollo.io use?

Apollo.io uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through DNS verification records.

What does Apollo.io use for customer support?

Apollo.io uses Zendesk, Intercom and ReadMe for customer support. We found Zendesk through custom domain since June 2018.

What payment provider does Apollo.io use?

Apollo.io uses Stripe for payments. We found Stripe through DNS verification records.

Does Apollo.io use Microsoft 365?

Yes. We found Microsoft 365 at Apollo.io through DNS verification records. Microsoft 365 is used by 339,534 companies we track.

How does runsonwhat know what Apollo.io uses?

We read public traces only: Apollo.io'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.