
Stoplight
Collaborative API design platform for building and managing APIs.
About
Stoplight is an OpenAPI design and documentation management tool that helps organizations design, document, and build APIs. It serves developers, program leaders, and tech executives by providing a design-first workflow to create high-quality APIs at any scale. Stoplight aims to drive results with quality APIs, keep API teams on track, and achieve strategic transformation through API development.
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Key facts
- Website
- stoplight.io
- Headquarters
- Austin, United States
- Founded
- 2014
- Total funding
- $22M (Series B)
- Business model
- B2B
Stoplight pricing
| Plan | Price |
|---|---|
| Free1 user included, 1 project maximum, API editor and visual designer | Free |
| BasicFirst 3 users free, OpenAPI/JSON schema visual designer, Interactive docs | $44 / month |
| StartupFirst 8 users free, Private projects, Multi-branch support | $113 / month |
| Pro TeamFirst 15 users free, Up to 20 teams, Shared style guides | $362 / month |
| EnterpriseCustom pricing, Unlimited projects and teams, Custom payment terms | Contact sales |

Prices shown are billed annually. Monthly billing available at $56 for Basic, $147 for Startup, $453 for Pro Team. Additional users billed monthly at $14 for Basic and Startup and $27 for Pro Team. 14-day free trial included for paid plans.
Plans as published by Stoplight, checked September 2026. Current prices on stoplight.io
Funding rounds
| Date | Round | Amount | Lead investors |
|---|---|---|---|
| 8 Feb 2021 | Series B | $11M | Next Coast Ventures |
| 30 Jan 2020 | Series A | $6M | Next Coast Ventures |
| 3 Oct 2018 | Seed | $3M | |
| 1 Mar 2015 | Seed | $1M |
Tech stack
Detected on stoplight.io, last scanned 8 Nov 2026. Run your own scan
- Analytics
- Google Tag Manager
- CMS / Builders
- Webflow
- CDN
- Cloudflare
- Hosting
- WP Engine
- Email provider
- Mimecast
- Email marketing
- Customer.io
- Status page
- Statuspage
- Video / media
- YouTube
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Frequently asked
Is Stoplight trustworthy and reputable?
StartupHub's Data Trust & Reputation score for Stoplight is 92 out of 100, a trusted rating, based on site security posture, privacy practices, malware and phishing checks, and public reputation signals.
How much funding has Stoplight raised?
Stoplight has raised a total of $22M in funding. The most recent round on record is Series B.
A tool we built
API and MCP Security Scanner
See what an API or MCP server gives a stranger: transport, auth, CORS, rate limits, and which tools answer with no credentials. Use it before you publish an endpoint.
Need it connected to Stoplight or your own stack? Ask for a custom integration. We reply within 2 days.
SEC filings, insider activity, nonprofit links and pay benchmarks for Stoplight:
Company details: from public sources. Funding: no announced round on file. Ownership: not yet claimed by the company. Scores: measured by named tools; each links to its method. Our rules


