Prefect's tech stack
What does Prefect use?
Prefect (prefect.io) uses at least 37 tools we can see from public records, including Amazon Web Services for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Analytics for analytics. Last checked .
“Orchestrate workflows with Prefect. Build AI applications with Horizon. Open-source foundations, production-ready platforms.”
- Company page
- Tools found
- 37
- Categories
- 15
- Oldest proven tool
- Aug 2018
- Changes seen
- 1
Prefect'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
5 tools, where the bytes are served from
CDN & Edge
Application
6 tools, what the product is built with
Payments & Billing
Data & Observability
5 tools, what they measure and store
Go-to-market
7 tools, how they find and keep customers
Marketing
Ads & Pixels
Company Ops
14 tools, what the team runs on day to day
Email Delivery
Collaboration
Dev Tools
What changed at Prefect
Recent starts and stops
- StartedAnthropic
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Prefect tech stack FAQ
What tools does Prefect use?
As of October 2026, runsonwhat has found 37 tools at Prefect (prefect.io) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: React, Tailwind CSS and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: LinkedIn Insight Tag, HubSpot and Salesforce. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 9, 2026.
What cloud does Prefect run on?
Prefect uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, Vercel and Netlify, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services, and Prefect has used it since at least November 2025. Amazon Web Services is used by 144,867 companies runsonwhat tracks.
What CRM does Prefect use?
Prefect uses HubSpot for its CRM, alongside Salesforce, Vector and Unify, according to runsonwhat (October 2026). runsonwhat found HubSpot through HubSpot code on prefect.io. HubSpot is used by 92,084 companies runsonwhat tracks.
What email provider does Prefect use?
Prefect uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 701,708 companies runsonwhat tracks.
What payment provider does Prefect use?
Prefect uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on prefect.io. Stripe is used by 26,332 companies runsonwhat tracks.
What analytics tools does Prefect use?
Prefect uses Google Analytics for analytics, alongside Google Tag Manager, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on prefect.io. Google Analytics is used by 852,790 companies runsonwhat tracks.
How long has Prefect used Vercel?
Prefect has used Vercel since at least August 2018, going by the first public certificate of the prefect.io subdomain that points at Vercel. Other long-running tools at Prefect include Google Cloud (since June 2020), Netlify (since January 2022) and Amazon Web Services (since November 2025).
Does Prefect use Cloudflare?
Yes. runsonwhat found Cloudflare at Prefect through Cloudflare code on prefect.io. Cloudflare is a CDN & Edge tool used by 692,493 companies runsonwhat tracks.
Does Prefect use AI tools?
Yes. runsonwhat has found Anthropic at Prefect; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Prefect may use more AI tools than these.
Has Prefect changed tools recently?
Yes. On runsonwhat's rechecks, Prefect started using Anthropic (latest on October 9, 2026). A change counts only between two checks of prefect.io done the same way.
Which companies have a tech stack similar to Prefect's?
The companies with the stacks most like Prefect's are Cast AI, Weave, Buildkite and HashiCorp, according to runsonwhat (October 2026). Each shares 8 to 14 tools with Prefect, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Prefect uses?
runsonwhat reads public records only. Of the 37 tools at Prefect, 15 were found through code on prefect.io, 9 through DNS records, 5 through email records, 5 through subdomains that point at the vendor, 2 through its own subprocessor list and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and prefect.io 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.