Sunday's tech stack
What does Sunday use?
Sunday (sundayapp.com) uses at least 33 tools we can see from public records, including OVHcloud for hosting, Microsoft 365 for email and documents, Salesforce for sales and Google Analytics for analytics. Last checked .
- Industry
- Financial Services
- Size
- 51–200 employees
- Based in
- Atlanta, United States
- Founded
- 2021
- Company page
- Tools found
- 33
- Categories
- 17
- Layers
- 5 of 5
- Last checked
- Oct 2026
Sunday'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
3 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
7 tools, what the product is built with
Frontend
Payments & Billing
Media & UI
Data & Observability
3 tools, what they measure and store
Go-to-market
8 tools, how they find and keep customers
Website & CMS
Ads & Pixels
Sales & CRM
Company Ops
12 tools, what the team runs on day to day
Dev Tools
People & HR
Finance & Legal
Security & Compliance
Sunday tech stack FAQ
What tools does Sunday use?
As of October 2026, runsonwhat has found 33 tools at Sunday (sundayapp.com) in public records. Edge & Hosting: Cloudflare, OVHcloud and Kinsta. Application: jQuery, GSAP and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Plausible. Go-to-market: WordPress, Meta Pixel and Yoast SEO. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 19, 2026.
What cloud does Sunday run on?
Sunday uses OVHcloud for hosting and cloud infrastructure, alongside Kinsta, according to runsonwhat (October 2026). runsonwhat found OVHcloud through DNS records that point at OVHcloud. OVHcloud is used by 26,705 companies runsonwhat tracks.
What CRM does Sunday use?
Sunday uses Salesforce for its CRM, according to runsonwhat (October 2026). runsonwhat found Salesforce through email records that authorize Salesforce and code on sundayapp.com. Salesforce is used by 33,803 companies runsonwhat tracks.
What email provider does Sunday use?
Sunday 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 706,448 companies runsonwhat tracks.
What payment provider does Sunday use?
Sunday uses Stripe for payments and billing, alongside Checkout.com, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on sundayapp.com. Stripe is used by 27,212 companies runsonwhat tracks.
What analytics tools does Sunday use?
Sunday uses Google Analytics for analytics, alongside Google Tag Manager and Plausible, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on sundayapp.com. Google Analytics is used by 866,332 companies runsonwhat tracks.
Does Sunday use jQuery?
Yes. runsonwhat found jQuery at Sunday through jQuery code on sundayapp.com. jQuery is a Frontend tool used by 906,273 companies runsonwhat tracks.
Does Sunday use AI tools?
Yes. runsonwhat has found Anthropic, OpenAI and Dust at Sunday; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Sunday may use more AI tools than these.
Which companies have a tech stack similar to Sunday's?
The companies with the stacks most like Sunday's are Paddle.com Market, Swile, Mollie and Wayflyer, according to runsonwhat (October 2026). Each shares 9 to 16 tools with Sunday, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Sunday uses?
runsonwhat reads public records only. Of the 33 tools at Sunday, 19 were found through DNS records, 9 through code on sundayapp.com, 3 through email records and 2 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and sundayapp.com 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.