CertifyOS's tech stack
What does CertifyOS use?
CertifyOS (certifyos.com) uses at least 29 tools we can see from public records, including Vercel for hosting, Microsoft 365 for email and documents, HubSpot for sales and Google Tag Manager for analytics. Last checked .
- Company page
- Tools found
- 29
- Categories
- 17
- Oldest proven tool
- Dec 2022
- Last checked
- Oct 2026
CertifyOS'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
Application
7 tools, what the product is built with
Frontend
Auth & Identity
Payments & Billing
Media & UI
Data & Observability
2 tools, what they measure and store
Monitoring
Analytics
Go-to-market
6 tools, how they find and keep customers
Website & CMS
Sales & CRM
Company Ops
12 tools, what the team runs on day to day
Email Delivery
Collaboration
Dev Tools
Security & Compliance
What changed at CertifyOS
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Hiring at CertifyOS
14 open roles on CertifyOS's public Ashby job board, 8 posted in the last 30 days.
Open roles by team
- Engineering4
- Operations4
- Marketing3
- Customer Success1
- Data & AI1
- Finance & Legal1
Latest openings
- Senior Manager - Product MarketingRemote · Bengaluru, India · Oct 2026
- Client Success AssociateRemote · Bengaluru, India · Oct 2026
- Team Lead , CredentialingRemote · Pune, India · Sep 2026
- Operations Analyst, IndiaRemote · Pune, India · Sep 2026
- Senior Manager, Brand MarketingRemote US · Sep 2026
- AI & Support Automation - EngineerRemote · Bengaluru, India · Sep 2026
Checked October 7, 2026.
CertifyOS tech stack FAQ
What tools does CertifyOS use?
We've found 29 tools at CertifyOS (certifyos.com). Edge & Hosting: Amazon Route 53 and Vercel. Application: YouTube, Adobe Fonts and Anthropic. Data & Observability: Google Tag Manager and Better Stack. Go-to-market: HubSpot, Salesforce and Pardot. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 7, 2026.
What cloud does CertifyOS run on?
CertifyOS uses Vercel for hosting. We found Vercel through custom domain, DNS verification records, DNS records and website code.
What CRM does CertifyOS use?
CertifyOS uses HubSpot and Salesforce for sales and CRM. We found HubSpot through email records and website code.
What email provider does CertifyOS use?
CertifyOS uses Microsoft 365, Google Workspace and Apple Business for email and documents. We found Microsoft 365 through DNS verification records.
What payment provider does CertifyOS use?
CertifyOS uses Chargebee for payments. We found Chargebee through email records.
What analytics tools does CertifyOS use?
CertifyOS uses Google Tag Manager for analytics. We found Google Tag Manager through website code.
Does CertifyOS use Microsoft 365?
Yes. We found Microsoft 365 at CertifyOS through DNS verification records. Microsoft 365 is used by 685,733 companies we track.
How does runsonwhat know what CertifyOS uses?
We read public traces only: CertifyOS'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.