# What does ZapSign use? ZapSign (zapsign.com.br) shows public evidence of 43 tools, according to runsonwhat (last checked 2026-10-20). - Based in: Brazil ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, Email records, Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Website code | | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | DNS verification records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [jQuery](https://www.runsonwhat.com/reverse/jquery) | Frontend | Website code | | | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [Font Awesome](https://www.runsonwhat.com/reverse/fontawesome) | Media & UI | Website code | | | [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | Custom domain | 2020-04 | ## 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 | | | [Microsoft Clarity](https://www.runsonwhat.com/reverse/clarity) | Analytics | Website code | | | [Hotjar](https://www.runsonwhat.com/reverse/hotjar) | Analytics | Website code | | | [Atlassian Statuspage](https://www.runsonwhat.com/reverse/statuspage) | Monitoring | Email records | | | [UptimeRobot](https://www.runsonwhat.com/reverse/uptimerobot) | Monitoring | Custom domain | 2023-07 | ## 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 | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records, Website code | | | [Zoho](https://www.runsonwhat.com/reverse/zoho) | Sales & CRM | DNS verification records, Website code | | | [TikTok Pixel](https://www.runsonwhat.com/reverse/tiktok-pixel) | Ads & Pixels | Website code | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | DNS verification records | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain, Website code | | | [X Ads](https://www.runsonwhat.com/reverse/x-ads) | Ads & Pixels | Website code | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [RD Station](https://www.runsonwhat.com/reverse/rd-station) | Marketing | Website code | | | [GitBook](https://www.runsonwhat.com/reverse/gitbook) | Support & Docs | Custom domain | 2020-04 | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [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, Website code | | | [Atlassian](https://www.runsonwhat.com/reverse/atlassian) | Dev Tools | Custom domain, DNS verification records | 2025-02 | | [Amazon SES](https://www.runsonwhat.com/reverse/ses) | Email Delivery | Email records, Website code | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [Let's Encrypt](https://www.runsonwhat.com/reverse/letsencrypt) | Security & Compliance | DNS records | | | [Sectigo](https://www.runsonwhat.com/reverse/sectigo) | Security & Compliance | DNS records | | | [DigiCert](https://www.runsonwhat.com/reverse/digicert) | Security & Compliance | DNS records | | | [Google Trust Services](https://www.runsonwhat.com/reverse/google-trust) | Security & Compliance | DNS records | | | [Amazon Trust Services](https://www.runsonwhat.com/reverse/amazon-trust) | Security & Compliance | DNS records | | | [Postman](https://www.runsonwhat.com/reverse/postman) | Dev Tools | DNS verification records | | | [HubSpot App Developer](https://www.runsonwhat.com/reverse/hubspot-developer) | Dev Tools | DNS verification records | | | [Detectify](https://www.runsonwhat.com/reverse/detectify) | Security & Compliance | DNS verification records, Website code | | | [Maven Central](https://www.runsonwhat.com/reverse/maven-central) | Dev Tools | DNS verification records | | ## FAQ ### What tools does ZapSign use? As of October 2026, runsonwhat has found 43 tools at ZapSign (zapsign.com.br) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Vercel. Application: jQuery, Google Fonts and Font Awesome. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and LinkedIn Insight Tag. Company Ops: Google Workspace, SendGrid and Atlassian. Last checked October 20, 2026. ### What cloud does ZapSign run on? ZapSign 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 zapsign.com.br. Amazon Web Services is used by 146,157 companies runsonwhat tracks. ### What CRM does ZapSign use? ZapSign uses HubSpot for its CRM, alongside Zoho, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records. HubSpot is used by 95,255 companies runsonwhat tracks. ### What email provider does ZapSign use? ZapSign uses Google Workspace for email and office software, according to runsonwhat (October 2026). runsonwhat found Google Workspace through email records that authorize Google Workspace and code on zapsign.com.br. Google Workspace is used by 406,468 companies runsonwhat tracks. ### What does ZapSign use for customer support? ZapSign uses GitBook for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found GitBook through a subdomain that points at GitBook, and ZapSign has used it since at least April 2020. GitBook is used by 2,033 companies runsonwhat tracks. ### What analytics tools does ZapSign use? ZapSign uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Hotjar, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on zapsign.com.br. Google Analytics is used by 895,634 companies runsonwhat tracks. ### How long has ZapSign used Firebase? ZapSign has used Firebase since at least April 2020, going by the first public certificate of the zapsign.com.br subdomain that points at Firebase. Other long-running tools at ZapSign include GitBook (since April 2020), UptimeRobot (since July 2023) and Atlassian (since February 2025). ### Does ZapSign use jQuery? Yes. runsonwhat found jQuery at ZapSign through jQuery code on zapsign.com.br. jQuery is a Frontend tool used by 923,806 companies runsonwhat tracks. ### Which companies have a tech stack similar to ZapSign's? The companies with the stacks most like ZapSign's are Onramp Money, Apps with love, Nightfall and MAXONROW, according to runsonwhat (October 2026). Each shares 8 to 20 tools with ZapSign, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what ZapSign uses? runsonwhat reads public records only. Of the 43 tools at ZapSign, 16 were found through code on zapsign.com.br, 15 through DNS records, 6 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 zapsign.com.br about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/zapsign.com.br (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.