# What does Firstleaf use? Firstleaf (firstleaf.com) shows public evidence of 34 tools, according to runsonwhat (last checked 2026-10-08). - Industry: Wine and Spirits - Size: 51–200 employees - Based in: Napa, United States - Founded: 2015 - LinkedIn: https://www.linkedin.com/company/first-leaf ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | | [Bunny.net](https://www.runsonwhat.com/reverse/bunny) | CDN & Edge | Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records | | | [Vue.js](https://www.runsonwhat.com/reverse/vue) | Frontend | Website code | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | DNS verification records | | | [Twilio](https://www.runsonwhat.com/reverse/twilio) | Backend & Database | DNS verification records | | ## 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 | | | [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code | | | [Amplitude](https://www.runsonwhat.com/reverse/amplitude) | 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 | DNS verification records, Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | DNS verification records, Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Custom domain, Email records, Website code | 2023-05 | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | DNS verification records | | | [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | Website code | | | [Braze](https://www.runsonwhat.com/reverse/braze) | Marketing | Website code | | | [Smarter Click](https://www.runsonwhat.com/reverse/smarter-click) | Ads & Pixels | Website code | | | [PR Newswire](https://www.runsonwhat.com/reverse/pr-newswire) | Marketing | Email records | | | [Everflow](https://www.runsonwhat.com/reverse/everflow) | Ads & Pixels | Website code | | | [Extole](https://www.runsonwhat.com/reverse/extole) | Marketing | Email records | | ## 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, Website code | | | [SendGrid](https://www.runsonwhat.com/reverse/sendgrid) | Email Delivery | 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 | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Zoom](https://www.runsonwhat.com/reverse/zoom) | Collaboration | DNS verification records | | | [DMARC Digests](https://www.runsonwhat.com/reverse/dmarcdigests) | Security & Compliance | Email records | | ## FAQ ### What tools does Firstleaf use? As of October 2026, runsonwhat has found 34 tools at Firstleaf (firstleaf.com) in public records. Edge & Hosting: Cloudflare and Bunny.net. Application: Anthropic, Vue.js and OpenAI. Data & Observability: Google Analytics, Google Tag Manager and Datadog. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Microsoft 365, Google Workspace and SendGrid. Last checked October 8, 2026. ### What email provider does Firstleaf use? Firstleaf 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 694,668 companies runsonwhat tracks. ### What does Firstleaf use for customer support? Firstleaf uses Zendesk for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found Zendesk through a subdomain that points at Zendesk and email records, and Firstleaf has used it since at least May 2023. Zendesk is used by 40,305 companies runsonwhat tracks. ### What analytics tools does Firstleaf use? Firstleaf uses Google Analytics for analytics, alongside Google Tag Manager and Amplitude, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on firstleaf.com. Google Analytics is used by 837,713 companies runsonwhat tracks. ### What is Firstleaf's website built with? Firstleaf uses Shopify for its website, according to runsonwhat (October 2026). runsonwhat found Shopify through a DNS verification record for Shopify and code on firstleaf.com. Shopify is used by 58,262 companies runsonwhat tracks. ### What marketing software does Firstleaf use? Firstleaf uses Klaviyo for marketing, alongside Ahrefs, Braze and PR Newswire, according to runsonwhat (October 2026). runsonwhat found Klaviyo through a DNS verification record for Klaviyo. Klaviyo is used by 34,204 companies runsonwhat tracks. ### How long has Firstleaf used Zendesk? Firstleaf has used Zendesk since at least May 2023, going by the first public certificate of the firstleaf.com subdomain that points at Zendesk. ### Does Firstleaf use Cloudflare? Yes. runsonwhat found Cloudflare at Firstleaf through DNS records that point at Cloudflare and email records. Cloudflare is a CDN & Edge tool used by 686,347 companies runsonwhat tracks. ### Does Firstleaf use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Firstleaf; Anthropic, for example, through a DNS verification record for Anthropic. AI services called only from servers leave no public trace, so Firstleaf may use more AI tools than these. ### Which companies have a tech stack similar to Firstleaf's? The companies with the stacks most like Firstleaf's are Sesame, Open English, Everlywell and MoneyGram, according to runsonwhat (October 2026). Each shares 12 to 19 tools with Firstleaf, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Firstleaf uses? runsonwhat reads public records only. Of the 34 tools at Firstleaf, 14 were found through code on firstleaf.com, 13 through DNS records, 5 through email records, 1 through website configuration files and 1 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and firstleaf.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/firstleaf.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.