# What does Buffer use? Buffer (buffer.com) shows public evidence of 31 tools, according to runsonwhat (last checked 2026-10-07). - Founded: 2010 - LinkedIn: https://www.linkedin.com/company/bufferapp ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | DNS records, 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 | 2025-05 | | [Vercel](https://www.runsonwhat.com/reverse/vercel) | Hosting & Cloud | Custom domain, DNS verification records | 2019-12 | ## 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 | | | [Stripe](https://www.runsonwhat.com/reverse/stripe) | Payments & Billing | DNS verification records, Website code | | ## 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 | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Website code | | | [Datadog](https://www.runsonwhat.com/reverse/datadog) | Monitoring | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | Custom domain, DNS verification records, Website code | | | [incident.io](https://www.runsonwhat.com/reverse/incidentio) | Monitoring | Custom domain | 2021 | ## 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 | | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records, Website code | | | [Pinterest](https://www.runsonwhat.com/reverse/pinterest) | Ads & Pixels | Website code | | | [Ahrefs](https://www.runsonwhat.com/reverse/ahrefs) | Marketing | Website code | | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Discord](https://www.runsonwhat.com/reverse/discord) | Support & Docs | Website code | | | [Help Scout](https://www.runsonwhat.com/reverse/helpscout) | Support & Docs | Email records | | | [Typeform](https://www.runsonwhat.com/reverse/typeform) | Marketing | Website code | | | [Dub](https://www.runsonwhat.com/reverse/dub) | Marketing | Website code | | | [Plain](https://www.runsonwhat.com/reverse/plain) | Support & Docs | DNS verification records | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records, Website code | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [1Password](https://www.runsonwhat.com/reverse/1password) | Security & Compliance | DNS verification records | | ## Hiring at Buffer 1 open roles on its public job board: Engineering 1. ## FAQ ### What tools does Buffer use? As of October 2026, runsonwhat has found 31 tools at Buffer (buffer.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Amazon CloudFront. Application: React, Next.js and Stripe. 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, CookieYes and Postmark. Last checked October 7, 2026. ### What cloud does Buffer run on? Buffer 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 buffer.com. Amazon Web Services is used by 144,590 companies runsonwhat tracks. ### What email provider does Buffer use? Buffer 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 buffer.com. Google Workspace is used by 395,447 companies runsonwhat tracks. ### What does Buffer use for customer support? Buffer uses Zendesk for customer support and documentation, alongside Discord, Help Scout and Plain, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk and code on buffer.com. Zendesk is used by 40,655 companies runsonwhat tracks. ### What payment provider does Buffer use? Buffer uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on buffer.com. Stripe is used by 25,951 companies runsonwhat tracks. ### What analytics tools does Buffer use? Buffer uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and Segment, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on buffer.com. Google Analytics is used by 847,223 companies runsonwhat tracks. ### How long has Buffer used Vercel? Buffer has used Vercel since at least December 2019, going by the first public certificate of the buffer.com subdomain that points at Vercel. Other long-running tools at Buffer include incident.io (since 2021) and Amazon CloudFront (since May 2025). ### Does Buffer use Cloudflare? Yes. runsonwhat found Cloudflare at Buffer through DNS records that point at Cloudflare and code on buffer.com. Cloudflare is a CDN & Edge tool used by 689,758 companies runsonwhat tracks. ### Is Buffer hiring? Yes. As of October 2026, Buffer has 1 open role on its public Ashby job board, most in engineering (1). None were posted in the last 30 days. ### Which companies have a tech stack similar to Buffer's? The companies with the stacks most like Buffer's are kick.co, Axiom, Mintlify and Resend, according to runsonwhat (October 2026). Each shares 11 to 20 tools with Buffer, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Buffer uses? runsonwhat reads public records only. Of the 31 tools at Buffer, 17 were found through code on buffer.com, 6 through DNS records, 4 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 buffer.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/buffer.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.