Captions's tech stack
What does Captions use?
Captions (captions.ai) uses at least 23 tools we can see from public records, including Vercel for hosting, Google Workspace for email and documents, Unify for sales and Google Analytics for analytics. Last checked .
“You can't grow your brand without video. At Captions, we're building foundation models and products to redefine how videos get made.”
- Based in
- New York City, United States
- Founded
- 2021
- Company page
- Tools found
- 23
- Categories
- 14
- Layers
- 5 of 5
- Last checked
- Oct 2026
Captions's stack, layer by layer
Each tool links to the other companies we've found using it. The label says what kind of public trace gave it away.
Edge & Hosting
2 tools, where the bytes are served from
Hosting & Cloud
CDN & Edge
Application
4 tools, what the product is built with
Data & Observability
4 tools, what they measure and store
Go-to-market
6 tools, how they find and keep customers
Marketing
Sales & CRM
Company Ops
7 tools, what the team runs on day to day
Email Delivery
Workspace
People & HR
Security & Compliance
Companies like Captions also use
Tools common among companies with a similar stack that we haven't found at Captions.
Companies with a stack like Captions's
Ranked by shared tools, with rare tools counting more.
Starbridge Ai Incstarbridge.ai8in common
WeaveEngineering, Product and Design · 11–50 people11in common
Graphitegraphite.com11in common
MintlifyEngineering, Product and Design · 51–200 people17in common
InkeepEngineering, Product and Design · 11–50 people11in common
Browserbase, Inc.browserbase.com12in common
kick.cokick.co11in common
DirectusSoftware · 11–50 people13in common
Captions tech stack FAQ
What tools does Captions use?
As of October 2026, runsonwhat has found 23 tools at Captions (captions.ai) in public records. Edge & Hosting: Cloudflare and Vercel. Application: Stripe, Astro and Mux. Data & Observability: Google Analytics, Google Tag Manager and Microsoft Clarity. Go-to-market: Google Ads, Meta Pixel and ChatGPT Ads. Company Ops: Google Workspace, SendGrid and Let's Encrypt. Last checked October 20, 2026.
What cloud does Captions run on?
Captions uses Vercel for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Vercel through a DNS verification record for Vercel. Vercel is used by 48,865 companies runsonwhat tracks.
What sales tools does Captions use?
The sales tools runsonwhat has found at Captions are Unify (October 2026); no CRM shows up in Captions' public records. runsonwhat found Unify through Unify code on captions.ai. Unify is used by 437 companies runsonwhat tracks.
What email provider does Captions use?
Captions 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 captions.ai. Google Workspace is used by 405,361 companies runsonwhat tracks.
What payment provider does Captions use?
Captions uses Stripe for payments and billing, according to runsonwhat (October 2026). runsonwhat found Stripe through a DNS verification record for Stripe and code on captions.ai. Stripe is used by 29,228 companies runsonwhat tracks.
What analytics tools does Captions use?
Captions uses Google Analytics for analytics, alongside Google Tag Manager, Microsoft Clarity and AppsFlyer, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on captions.ai. Google Analytics is used by 888,740 companies runsonwhat tracks.
Does Captions use Cloudflare?
Yes. runsonwhat found Cloudflare at Captions through DNS records that point at Cloudflare and code on captions.ai. Cloudflare is a CDN & Edge tool used by 707,967 companies runsonwhat tracks.
Which companies have a tech stack similar to Captions's?
The companies with the stacks most like Captions' are Starbridge Ai, Weave, Graphite and Mintlify, according to runsonwhat (October 2026). Each shares 8 to 17 tools with Captions, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices.
How does runsonwhat know what Captions uses?
runsonwhat reads public records only. Of the 23 tools at Captions, 12 were found through code on captions.ai, 8 through DNS records, 2 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 captions.ai about monthly.
We read public traces only: DNS and email records, certificate logs, website code and published subprocessor lists. A tool is listed when a direct record backs it up, and dropped when a recheck no longer finds it. Is this your company? See how to opt out.