# What does Mailchimp use?

Mailchimp (mailchimp.com) shows public evidence of 69 tools, according to runsonwhat (last checked 2026-10-09).

- Industry: Email Marketing
- Size: 201–1,000 employees
- Based in: United States
- Founded: 2001
- LinkedIn: https://www.linkedin.com/company/mailchimp

## Edge & Hosting

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code |  |
| [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code |  |
| [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | 2016-07 |
| [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records |  |
| [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain, DNS records, Website code | 2012-09 |

## Application

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code |  |
| [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | Subprocessor list |  |
| [Frontify](https://www.runsonwhat.com/reverse/frontify) | Media & UI | Custom domain | 2026-08 |

## Data & Observability

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code |  |
| [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code |  |
| [web-vitals](https://www.runsonwhat.com/reverse/web-vitals) | Monitoring | Website code |  |
| [Bugsnag](https://www.runsonwhat.com/reverse/bugsnag) | Monitoring | Website code |  |
| [Optimizely](https://www.runsonwhat.com/reverse/optimizely) | Flags & Experiments | Website code |  |
| [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code |  |
| [Akamai mPulse](https://www.runsonwhat.com/reverse/akamai-mpulse) | Monitoring | Website code |  |
| [Siteimprove](https://www.runsonwhat.com/reverse/siteimprove) | Analytics | Website code |  |
| [Qualtrics](https://www.runsonwhat.com/reverse/qualtrics) | Analytics | Website code |  |
| [FullStory](https://www.runsonwhat.com/reverse/fullstory) | Analytics | Website code |  |

## Go-to-market

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code |  |
| [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Subprocessor list, Website code |  |
| [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code |  |
| [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Subprocessor list, Website code |  |
| [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Subprocessor list |  |
| [Wix](https://www.runsonwhat.com/reverse/wix) | Website & CMS | Subprocessor list |  |
| [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code |  |
| [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records |  |
| [Microsoft Xandr](https://www.runsonwhat.com/reverse/xandr) | Ads & Pixels | Website code |  |
| [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Subprocessor list |  |
| [Squarespace](https://www.runsonwhat.com/reverse/squarespace) | Website & CMS | Subprocessor list |  |
| [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code |  |
| [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code |  |
| [The Trade Desk](https://www.runsonwhat.com/reverse/tradedesk) | Ads & Pixels | Website code |  |
| [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code |  |
| [LiveRamp](https://www.runsonwhat.com/reverse/liveramp) | Ads & Pixels | Website code |  |
| [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code |  |
| [ZoomInfo](https://www.runsonwhat.com/reverse/zoominfo) | Sales & CRM | Website code |  |
| [Amazon Advertising](https://www.runsonwhat.com/reverse/amazon-advertising) | Ads & Pixels | Website code |  |
| [Demandbase](https://www.runsonwhat.com/reverse/demandbase) | Sales & CRM | Website code |  |
| [Marketo](https://www.runsonwhat.com/reverse/marketo) | Marketing | Website code |  |
| [Bombora](https://www.runsonwhat.com/reverse/bombora) | Sales & CRM | Website code |  |
| [Nativo](https://www.runsonwhat.com/reverse/nativo) | Ads & Pixels | Website code |  |
| [Clickagy](https://www.runsonwhat.com/reverse/clickagy) | Sales & CRM | Website code |  |
| [Contentful](https://www.runsonwhat.com/reverse/contentful) | Website & CMS | Website code |  |
| [Branch](https://www.runsonwhat.com/reverse/branch) | Marketing | Website code |  |
| [Oracle Eloqua](https://www.runsonwhat.com/reverse/oracle-eloqua) | Marketing | Custom domain, Website code | 2023-12 |
| [LivePerson](https://www.runsonwhat.com/reverse/liveperson) | Support & Docs | Website code |  |
| [Navattic](https://www.runsonwhat.com/reverse/navattic) | Marketing | Website code |  |

## Company Ops

| Tool | Category | Evidence | Since |
|---|---|---|---|
| [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records |  |
| [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records |  |
| [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records |  |
| [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | DNS verification records |  |
| [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Custom domain, Email records | 2026-01 |
| [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records |  |
| [Proofpoint](https://www.runsonwhat.com/reverse/proofpoint) | Security & Compliance | Email records |  |
| [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS verification records, DNS records |  |
| [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records |  |
| [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | DNS verification records, Website code |  |
| [Adobe](https://www.runsonwhat.com/reverse/adobe) | Collaboration | DNS verification records |  |
| [DocuSign](https://www.runsonwhat.com/reverse/docusign) | Finance & Legal | DNS verification records, Website code |  |
| [dmarcian](https://www.runsonwhat.com/reverse/dmarcian) | Security & Compliance | Email records |  |
| [Canva](https://www.runsonwhat.com/reverse/canva) | Collaboration | Subprocessor list |  |
| [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet) | Collaboration | DNS verification records |  |
| [Cisco Secure Email](https://www.runsonwhat.com/reverse/cisco-email) | Security & Compliance | Email records |  |
| [NetSuite](https://www.runsonwhat.com/reverse/netsuite) | Finance & Legal | Email records |  |
| [Zapier](https://www.runsonwhat.com/reverse/zapier) | Dev Tools | DNS verification records, Subprocessor list |  |
| [Zscaler](https://www.runsonwhat.com/reverse/zscaler) | Security & Compliance | DNS verification records |  |

## Recent changes at Mailchimp

- 2026-10-09: started using again [Apple Business](https://www.runsonwhat.com/reverse/apple)
- 2026-10-09: started using again [NetSuite](https://www.runsonwhat.com/reverse/netsuite)
- 2026-10-09: started using again [Smartsheet](https://www.runsonwhat.com/reverse/smartsheet)

## FAQ

### What tools does Mailchimp use?

As of October 2026, runsonwhat has found 69 tools at Mailchimp (mailchimp.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon CloudFront. Application: React, Stripe and Frontify. Data & Observability: Google Analytics, Google Tag Manager and web-vitals. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 9, 2026.

### What cloud does Mailchimp run on?

Mailchimp uses Amazon Web Services for hosting and cloud infrastructure, alongside Vercel, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on mailchimp.com. Amazon Web Services is used by 144,835 companies runsonwhat tracks.

### What CRM does Mailchimp use?

Mailchimp uses Salesforce for its CRM, alongside ZoomInfo, Demandbase and Bombora, according to runsonwhat (October 2026). runsonwhat found Salesforce through Salesforce on mailchimp.com's subprocessor list. Salesforce is used by 33,472 companies runsonwhat tracks.

### What email provider does Mailchimp use?

Mailchimp 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 701,682 companies runsonwhat tracks.

### What does Mailchimp use for customer support?

Mailchimp uses Zendesk for customer support and documentation, alongside LivePerson, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 40,910 companies runsonwhat tracks.

### What payment provider does Mailchimp use?

Mailchimp uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through Stripe on mailchimp.com's subprocessor list. Stripe is used by 26,259 companies runsonwhat tracks.

### How long has Mailchimp used Akamai?

Mailchimp has used Akamai since at least September 2012, going by the first public certificate of the mailchimp.com subdomain that points at Akamai. Other long-running tools at Mailchimp include Amazon CloudFront (since July 2016), Oracle Eloqua (since December 2023) and Mailchimp Transactional (since January 2026).

### Does Mailchimp use Cloudflare?

Yes. runsonwhat found Cloudflare at Mailchimp through Cloudflare code on mailchimp.com. Cloudflare is a CDN & Edge tool used by 692,190 companies runsonwhat tracks.

### Has Mailchimp changed tools recently?

Yes. On runsonwhat's rechecks, Mailchimp started using Apple Business, NetSuite and Smartsheet (latest on October 9, 2026). A change counts only between two checks of mailchimp.com done the same way.

### Which companies have a tech stack similar to Mailchimp's?

The companies with the stacks most like Mailchimp's are Redis, East Central Illinois Local Acs Section, Mayo Clinic and Thomson Reuters, according to runsonwhat (October 2026). Each shares 11 to 29 tools with Mailchimp, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.

### How does runsonwhat know what Mailchimp uses?

runsonwhat reads public records only. Of the 69 tools at Mailchimp, 35 were found through code on mailchimp.com, 14 through DNS records, 8 through its own subprocessor list, 6 through email records, 5 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 mailchimp.com about monthly.


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Source: runsonwhat, https://www.runsonwhat.com/company/mailchimp.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.