Warmup Inbox's tech stack
What does Warmup Inbox use?
Warmup Inbox (warmupinbox.com) uses at least 28 tools we can see from public records, including Zoho for sales, Intercom for customer support, PostHog for analytics and Stripe for payments. Warmup Inbox has used Amazon Web Services since Jul 2020, going by certificate records. Last checked .
- Industry
- Information Services
- Size
- 11–50 employees
- Based in
- Czechia
- Company page
- Tools found
- 28
- Categories
- 14
- Oldest proven tool
- Jul 2020
- Last checked
- Nov 2026
Warmup Inbox's stack, layer by layer
Of 28 tools, 12 came from website code, 5 from DNS records, 3 from subprocessor list and 8 from other records. 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
CDN & Edge
Application
2 tools, what the product is built with
Payments & Billing
Data & Observability
5 tools, what they measure and store
Flags & Experiments
Go-to-market
11 tools, how they find and keep customers
Website & CMS
Marketing
Ads & Pixels
Sales & CRM
Support & Docs
Company Ops
8 tools, what the team runs on day to day
Email Delivery
Security & Compliance
What changed at Warmup Inbox
Using since
Dates come from the first certificate of the subdomain that points at the tool.
Companies like Warmup Inbox also use
Tools common among companies with a similar stack that we haven't found at Warmup Inbox.
Companies with a stack like Warmup Inbox's
Ranked by shared tools, with rare tools counting more.
TaroRecruiting and Talent · 1–10 people7in common
CedalioB2B · 1–10 people10in common
Momentic AIEngineering, Product and Design · 11–50 people14in common
Bullish StudioOnline Media · 11–50 people8in common
ReciptoInternet · 11–50 people8in common
QuickReply.aiInternet · 11–50 people12in common
EmailchaserSoftware · 11–50 people14in common
TokenWorksConsumer Goods · 11–50 people9in common
Warmup Inbox tech stack FAQ
What tools does Warmup Inbox use?
As of November 2026, runsonwhat has found 28 tools at Warmup Inbox (warmupinbox.com) in public records. Edge & Hosting: Cloudflare and Amazon Web Services. Application: Stripe. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked November 6, 2026.
What cloud does Warmup Inbox run on?
Warmup Inbox uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (November 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and code on warmupinbox.com, and Warmup Inbox has used it since at least July 2020. Amazon Web Services is used by 147,128 companies runsonwhat tracks.
What CRM does Warmup Inbox use?
Warmup Inbox uses Zoho for its CRM, alongside Instantly, according to runsonwhat (November 2026). runsonwhat found Zoho through Zoho on warmupinbox.com's subprocessor list. Zoho is used by 64,271 companies runsonwhat tracks.
What email provider does Warmup Inbox use?
Warmup Inbox uses Microsoft 365 for email and office software, alongside Google Workspace, according to runsonwhat (November 2026). runsonwhat found Microsoft 365 through Microsoft 365 on warmupinbox.com's subprocessor list. Microsoft 365 is used by 725,804 companies runsonwhat tracks.
What does Warmup Inbox use for customer support?
Warmup Inbox uses Intercom for customer support and documentation, according to runsonwhat (November 2026). runsonwhat found Intercom through Intercom code on warmupinbox.com. Intercom is used by 9,158 companies runsonwhat tracks.
What payment provider does Warmup Inbox use?
Warmup Inbox uses Stripe for payments and billing, according to runsonwhat (November 2026). runsonwhat found Stripe through a DNS verification record for Stripe. Stripe is used by 31,136 companies runsonwhat tracks.
How long has Warmup Inbox used Amazon Web Services?
Warmup Inbox has used Amazon Web Services since at least July 2020, going by the first public certificate of the warmupinbox.com subdomain that points at Amazon Web Services. Other long-running tools at Warmup Inbox include Ghost (since October 2021).
Does Warmup Inbox use Cloudflare?
Yes. runsonwhat found Cloudflare at Warmup Inbox through DNS records that point at Cloudflare and code on warmupinbox.com. Cloudflare is a CDN & Edge tool used by 728,681 companies runsonwhat tracks.
Which companies have a tech stack similar to Warmup Inbox's?
The companies with the stacks most like Warmup Inbox's are Taro, Cedalio, Momentic AI and Bullish Studio, according to runsonwhat (November 2026). Each shares 7 to 14 tools with Warmup Inbox, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Warmup Inbox uses?
runsonwhat reads public records only. Of the 28 tools at Warmup Inbox, 12 were found through code on warmupinbox.com, 7 through DNS records, 3 through its own subprocessor list, 3 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 warmupinbox.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.