Kustomer's tech stack
What does Kustomer use?
Kustomer (kustomer.com) uses at least 65 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 .
- Industry
- Software
- Size
- 201–1,000 employees
- Based in
- New York, United States
- Founded
- 2015
- Company page
- Tools found
- 65
- Categories
- 20
- Oldest proven tool
- Nov 2016
- Last checked
- Oct 2026
Kustomer'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
6 tools, where the bytes are served from
Application
8 tools, what the product is built with
Frontend
Backend & Database
Media & UI
Data & Observability
8 tools, what they measure and store
Go-to-market
14 tools, how they find and keep customers
Company Ops
29 tools, what the team runs on day to day
Email Delivery
People & HR
Finance & Legal
What changed at Kustomer
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Kustomer tech stack FAQ
What tools does Kustomer use?
As of October 2026, runsonwhat has found 65 tools at Kustomer (kustomer.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Google Cloud. Application: React, Adobe Fonts and Next.js. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 7, 2026.
What cloud does Kustomer run on?
Kustomer uses Amazon Web Services for hosting and cloud infrastructure, alongside Google Cloud, Vercel and Pressable, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on kustomer.com. Amazon Web Services is used by 143,829 companies runsonwhat tracks.
What CRM does Kustomer use?
Kustomer uses HubSpot for its CRM, alongside Common Room and Chili Piper, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and a DNS verification record, and Kustomer has used it since at least March 2024. HubSpot is used by 89,460 companies runsonwhat tracks.
What email provider does Kustomer use?
Kustomer 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 694,519 companies runsonwhat tracks.
What analytics tools does Kustomer use?
Kustomer uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Crazy Egg, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on kustomer.com. Google Analytics is used by 809,017 companies runsonwhat tracks.
What is Kustomer's website built with?
Kustomer uses HubSpot CMS for its website, alongside Sanity, according to runsonwhat (October 2026). runsonwhat found HubSpot CMS through a subdomain that points at HubSpot CMS, and Kustomer has used it since at least March 2024. HubSpot CMS is used by 32,254 companies runsonwhat tracks.
How long has Kustomer used Atlassian Statuspage?
Kustomer has used Atlassian Statuspage since at least November 2016, going by the first public certificate of the kustomer.com subdomain that points at Atlassian Statuspage. Other long-running tools at Kustomer include Amazon CloudFront (since August 2019), Pressable (since September 2020) and Vanta (since July 2023).
Does Kustomer use Cloudflare?
Yes. runsonwhat found Cloudflare at Kustomer through Cloudflare code on kustomer.com. Cloudflare is a CDN & Edge tool used by 676,169 companies runsonwhat tracks.
Does Kustomer use AI tools?
Yes. runsonwhat has found Anthropic, OpenAI and Dust at Kustomer; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Kustomer may use more AI tools than these.
Which companies have a tech stack similar to Kustomer's?
The companies with the stacks most like Kustomer's are Textkernel by Bullhorn, Truelayer, Paligo and Neural Concept, according to runsonwhat (October 2026). Each shares 15 to 28 tools with Kustomer, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Kustomer uses?
runsonwhat reads public records only. Of the 65 tools at Kustomer, 29 were found through DNS records, 22 through code on kustomer.com, 8 through subdomains that point at the vendor, 5 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and kustomer.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.