Diffco's tech stack
What does Diffco use?
Diffco (diffco.us) uses at least 38 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 .
“Diffco is a San Jose-based company specializing in AI, custom software development, and staff augmentation services.”
- Industry
- Software
- Size
- 51–200 employees
- Based in
- San Jose, United States
- Founded
- 2008
- Company page
- Tools found
- 38
- Categories
- 17
- Oldest proven tool
- Aug 2024
- Last checked
- Oct 2026
Diffco'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
Application
8 tools, what the product is built with
Frontend
Payments & Billing
Data & Observability
4 tools, what they measure and store
Monitoring
Go-to-market
5 tools, how they find and keep customers
Marketing
Ads & Pixels
Sales & CRM
Company Ops
17 tools, what the team runs on day to day
Email Delivery
Collaboration
Dev Tools
People & HR
What changed at Diffco
Diffco tech stack FAQ
What tools does Diffco use?
As of October 2026, runsonwhat has found 38 tools at Diffco (diffco.us) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: Google Fonts, YouTube and React. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, HubSpot and LinkedIn. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 7, 2026.
What cloud does Diffco run on?
Diffco uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on diffco.us. Amazon Web Services is used by 143,026 companies runsonwhat tracks.
What CRM does Diffco use?
Diffco uses HubSpot for its CRM, alongside Apollo.io, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on diffco.us. HubSpot is used by 86,697 companies runsonwhat tracks.
What email provider does Diffco use?
Diffco uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365. Microsoft 365 is used by 693,035 companies runsonwhat tracks.
What payment provider does Diffco use?
Diffco uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on diffco.us. Stripe is used by 23,777 companies runsonwhat tracks.
What analytics tools does Diffco use?
Diffco uses Google Analytics for analytics, alongside Google Tag Manager and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on diffco.us. Google Analytics is used by 744,188 companies runsonwhat tracks.
How long has Diffco used Apollo.io?
Diffco has used Apollo.io since at least August 2024, going by the first public certificate of the diffco.us subdomain that points at Apollo.io.
Does Diffco use Google Fonts?
Yes. runsonwhat found Google Fonts at Diffco through Google Fonts code on diffco.us. Google Fonts is a Media & UI tool used by 680,295 companies runsonwhat tracks.
Does Diffco use AI tools?
Yes. runsonwhat has found OpenAI at Diffco; OpenAI, for example, through a DNS verification record for OpenAI. AI services called only from servers leave no public trace, so Diffco may use more AI tools than these.
How does runsonwhat know what Diffco uses?
runsonwhat reads public records only. Of the 38 tools at Diffco, 17 were found through DNS records, 13 through code on diffco.us, 5 through email records, 2 through subdomains that point at the vendor and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and diffco.us 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.