# What does Greenlight use? Greenlight (greenlight.com) shows public evidence of 44 tools, according to runsonwhat (last checked 2026-10-18). - Industry: Financial Services - Size: 201–1,000 employees - Based in: Atlanta, United States - Founded: 2014 - LinkedIn: https://www.linkedin.com/company/greenlightcard ## 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 Route 53](https://www.runsonwhat.com/reverse/route53) | DNS | DNS records | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Next.js](https://www.runsonwhat.com/reverse/nextjs) | Frontend | Website code | | | [PayPal](https://www.runsonwhat.com/reverse/paypal) | Payments & Billing | Website code | | | [Firebase](https://www.runsonwhat.com/reverse/firebase) | Backend & Database | DNS verification records, Email records, Website code | | | [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 | | | [Optimizely](https://www.runsonwhat.com/reverse/optimizely) | Flags & Experiments | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Website code | | | [Mixpanel](https://www.runsonwhat.com/reverse/mixpanel) | Analytics | Website code | | | [AppsFlyer](https://www.runsonwhat.com/reverse/appsflyer) | Analytics | Website code | | | [Rockerbox](https://www.runsonwhat.com/reverse/rockerbox) | 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 | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [Mailchimp](https://www.runsonwhat.com/reverse/mailchimp) | Marketing | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Shopify](https://www.runsonwhat.com/reverse/shopify) | Website & CMS | Custom domain | 2025-04 | | [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 | 2021-10 | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code | | | [The Trade Desk](https://www.runsonwhat.com/reverse/tradedesk) | Ads & Pixels | Website code | | | [Criteo](https://www.runsonwhat.com/reverse/criteo) | Ads & Pixels | Website code | | | [Reddit Ads](https://www.runsonwhat.com/reverse/reddit-ads) | Ads & Pixels | Website code | | | [ID5](https://www.runsonwhat.com/reverse/id5) | Ads & Pixels | Website code | | | [Contentful](https://www.runsonwhat.com/reverse/contentful) | Website & CMS | Website code | | | [Braze](https://www.runsonwhat.com/reverse/braze) | Marketing | Website code | | | [BrightEdge](https://www.runsonwhat.com/reverse/brightedge) | Marketing | Website code | | | [Dstillery](https://www.runsonwhat.com/reverse/dstillery) | Ads & Pixels | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [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, DNS verification records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Slack](https://www.runsonwhat.com/reverse/slack) | Collaboration | DNS verification records | | | [Red Sift OnDMARC](https://www.runsonwhat.com/reverse/redsift) | Security & Compliance | Email records | | | [SafeBase](https://www.runsonwhat.com/reverse/safebase) | Security & Compliance | Custom domain | 2025-02 | | [Lever](https://www.runsonwhat.com/reverse/lever) | People & HR | Website code | | ## Recent changes at Greenlight - 2026-10-07: stopped using [llms.txt](https://www.runsonwhat.com/reverse/llms-txt) ## Hiring at Greenlight 13 open roles on its public job board: Engineering 4, Sales 3, Finance & Legal 2, Marketing 2, Other 1, Product & Design 1. ## FAQ ### What tools does Greenlight use? As of October 2026, runsonwhat has found 44 tools at Greenlight (greenlight.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon Route 53. Application: React, Next.js and PayPal. Data & Observability: Google Analytics, Google Tag Manager and Datadog. Go-to-market: Google Ads, Meta Pixel and Microsoft Ads. Company Ops: Google Workspace, Amazon SES and Mailchimp Transactional. Last checked October 18, 2026. ### What cloud does Greenlight run on? Greenlight uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through Amazon Web Services code on greenlight.com. Amazon Web Services is used by 144,878 companies runsonwhat tracks. ### What CRM does Greenlight use? Greenlight uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on greenlight.com. HubSpot is used by 92,110 companies runsonwhat tracks. ### What email provider does Greenlight use? Greenlight 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 greenlight.com. Google Workspace is used by 397,574 companies runsonwhat tracks. ### What does Greenlight use for customer support? Greenlight 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 Greenlight has used it since at least October 2021. Zendesk is used by 40,934 companies runsonwhat tracks. ### What payment provider does Greenlight use? Greenlight uses PayPal for payments and billing, according to runsonwhat (October 2026). runsonwhat found PayPal through PayPal code on greenlight.com. PayPal is used by 33,816 companies runsonwhat tracks. ### How long has Greenlight used Zendesk? Greenlight has used Zendesk since at least October 2021, going by the first public certificate of the greenlight.com subdomain that points at Zendesk. Other long-running tools at Greenlight include SafeBase (since February 2025) and Shopify (since April 2025). ### Does Greenlight use Cloudflare? Yes. runsonwhat found Cloudflare at Greenlight through Cloudflare code on greenlight.com. Cloudflare is a CDN & Edge tool used by 692,707 companies runsonwhat tracks. ### Is Greenlight hiring? Yes. As of October 2026, Greenlight has 13 open roles on its public Lever job board, most in engineering (4), sales (3) and finance & legal (2). 5 were posted in the last 30 days and 4 were taken down. ### Has Greenlight changed tools recently? Yes. On runsonwhat's rechecks, Greenlight stopped using llms.txt (latest on October 7, 2026). A change counts only between two checks of greenlight.com done the same way. ### Which companies have a tech stack similar to Greenlight's? The companies with the stacks most like Greenlight's are Havenly, Burrow, Wisr and Mixbook, according to runsonwhat (October 2026). Each shares 18 to 25 tools with Greenlight, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Greenlight uses? runsonwhat reads public records only. Of the 44 tools at Greenlight, 30 were found through code on greenlight.com, 5 through DNS records, 5 through email records and 4 through subdomains that point at the vendor. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and greenlight.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/greenlight.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.