Stoplight
Stoplight

Stoplight

Measured by AhrefsDR84Ahrefs DR: 84/100. Top 25%. Measured by Ahrefs. Median 44.Measured by StartupHub.aiAgent46Agent Readiness: 46/100. Above median. Measured by StartupHub.ai. Median 41.Measured by Google PageSpeedSpeed53Site Speed: 53/100. Below median. Measured by Google PageSpeed. Median 62.Measured by StartupHub.aiTrust92Data Trust: 92/100. Top 25%. Measured by StartupHub.ai. Median 61.

Collaborative API design platform for building and managing APIs.

2014ActiveAustin, United States

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.

Key facts

Website
stoplight.io
Headquarters
Austin, United States
Founded
2014
Total funding
$22M (Series B)
Business model
B2B

Stoplight pricing

Plans and prices published by Stoplight
PlanPrice
Free1 user included, 1 project maximum, API editor and visual designerFree
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 termsContact sales
Stoplight pricing page
Stoplight's own pricing page, captured September 2026.

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

Funding rounds raised by Stoplight
DateRoundAmountLead investors
8 Feb 2021Series B$11MNext Coast Ventures
30 Jan 2020Series A$6MNext Coast Ventures
3 Oct 2018Seed$3M
1 Mar 2015Seed$1M

Tech stack

Detected on stoplight.io, last scanned 8 Nov 2026.

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