runsonwhat

Retell AI's tech stack

What does Retell AI use?

Retell AI (retellai.com) uses at least 44 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, Apollo.io for sales and Discourse for customer support. Last checked .

“Supercharge Your Contact Center Operations with AI Phone Agents”

Industry
B2B
Size
11–50 employees
Based in
San Francisco, United States
LinkedIn
Company page
Re-check liveVisit retellai.com
Tools found
44
Categories
21
Oldest proven tool
Feb 2024
Last checked
Oct 2026

Retell AI'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

4 tools, where the bytes are served from

Hosting & Cloud

CDN & Edge

DNS

Application

10 tools, what the product is built with

Frontend

Auth & Identity

Backend & Database

AI

Media & UI

Data & Observability

5 tools, what they measure and store

Monitoring

Analytics

Flags & Experiments

Go-to-market

14 tools, how they find and keep customers

Website & CMS

Marketing

Ads & Pixels

Sales & CRM

Support & Docs

Company Ops

11 tools, what the team runs on day to day

Email Delivery

Workspace

Dev Tools

Finance & Legal

Security & Compliance

What changed at Retell AI

Using since

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

  1. Vercel
  2. Auth0
  3. Atlassian Statuspage
  4. Instantly
  5. Apollo.io
  6. Discourse
  7. Amazon CloudFront

Companies like Retell AI also use

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

Companies with a stack like Retell AI's

Ranked by shared tools, with rare tools counting more.

More B2B companies

Other B2B companies we've checked.

Retell AI tech stack FAQ

What tools does Retell AI use?

We've found 44 tools at Retell AI (retellai.com). Edge & Hosting: Cloudflare, Amazon Route 53 and Amazon CloudFront. Application: jQuery, YouTube and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Atlassian Statuspage. Go-to-market: Meta Pixel, Google Ads and Mailchimp. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 2, 2026.

What cloud does Retell AI run on?

Retell AI uses Vercel for hosting. We found Vercel through custom domain and DNS verification records since February 2024.

What CRM does Retell AI use?

Retell AI uses Apollo.io, Warmly and Instantly for sales and CRM. We found Apollo.io through custom domain since October 2024.

What email provider does Retell AI use?

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

What does Retell AI use for customer support?

Retell AI uses Discourse, Pylon and Decagon for customer support. We found Discourse through custom domain since October 2025.

What analytics tools does Retell AI use?

Retell AI uses Google Analytics, Google Tag Manager and Mixpanel for analytics. We found Google Analytics through website code.

Does Retell AI use Microsoft 365?

Yes. We found Microsoft 365 at Retell AI through DNS verification records. Microsoft 365 is used by 245,233 companies we track.

How does runsonwhat know what Retell AI uses?

We read public traces only: Retell AI'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.