AI visibility report
AI visibility report for Stoplight in API Development & Management.
Outside the top three on 17 of the 25 prompts buyers actually ask.
Kong is cited on 8 of those losses.
Free trial. Setup comes pre-filled for Stoplight.
Also benchmarked
Stoplight appears in another vertical
Track Stoplight across these prompts daily.
Start free trialStill absent from 97.3% of tracked prompt responses
Top-3 citations across 150 prompt × platform pairs
Peer Ranking
Key Metrics
Platform Breakdown
Grok
ChatGPT
Gemini Search
Bing Copilot
Google AI Mode
PerplexityHow to read this. Stoplight appears in 2.7% of tracked prompt responses. Presence is absolute coverage; share of voice is relative citation share; sentiment measures tone only when the brand appears.
Where Stoplight is losing
Prompts where competitors are visible and Stoplight is not.
These prompt-level losses are the first prompts to track and repair.
Where Stoplight is winning1
What tools and platforms support API design-first workflows — what should teams adopt compared to a code-first approach?
Avg # 2.0 · 1 platform
Where Stoplight is losing5
What tools can lint OpenAPI specs in a CI pipeline to enforce consistent API design standards across multiple teams?
Competitors on 2 platforms
Track this promptWhich API clients and testing tools have the best collaborative features for teams sharing API collections?
Competitors on 2 platforms
Track this promptWhich API platforms support GitOps workflows — version-controlling gateway configuration and applying it through a CI pipeline?
Competitors on 2 platforms
Track this promptWhich API gateways integrate well with a service mesh in a container orchestration environment — what solutions handle both layers cleanly?
Competitors on 1 platform
Track this promptWhich API management platforms integrate best with identity providers to enable OAuth2 and OIDC for third-party API consumers?
Competitors on 1 platform
Track this prompt
Track Stoplight daily before the next report refresh.
Track these gapsResearch dossierCapabilities, use cases, sources, reviews, pricing, and FAQ
Overview
Stoplight is a cloud-based API design, documentation, and governance platform built around a design-first philosophy and the OpenAPI specification. Founded in 2015 and headquartered in Austin, Texas, Stoplight provides a visual editor for designing REST APIs, automatic interactive documentation generation, OpenAPI-powered hosted mock servers, and style guide enforcement via its open-source Spectral linter. The platform is Git-native and supports both individual developers and large enterprise API programs. Stoplight ships three widely adopted open-source projects — Prism, Spectral, and Elements — used independently across the API developer community. Acquired by SmartBear in August 2023, Stoplight now operates within a broader API tooling portfolio alongside SwaggerHub, SoapUI, and Pact. Notable customers include Calendly, Fiserv, PagerDuty, Schneider Electric, and Highmark Health.
Stoplight Platform is a design-first API development and governance tool covering the complete pre-production API lifecycle: visual OpenAPI design, automated documentation generation, hosted mock servers, and API governance via shared style guides. It is Git-native, supports team and enterprise-scale collaboration, and is backed by three widely adopted open-source projects — Prism, Spectral, and Elements. Acquired by SmartBear in August 2023, Stoplight is now integrated into SmartBear's broader API development portfolio.
Key Facts
- Founded
- 2015
- HQ
- Austin, Texas, USA
- Founders
- Marc MacLeod
- Employees
- 51-100
- Funding
- ~$25.13M
- Customers
- 500+
- Status
- Acquired (SmartBear, Aug 2023)
Target users
Key Capabilities10
- Visual OpenAPI/JSON Schema designer with code-based editing fallback
- Automatic interactive API documentation generation with editable Markdown
- OpenAPI-powered hosted mock servers for parallel frontend/backend development (Prism)
- API linting and style guide enforcement via open-source Spectral
- Git-native version control sync with multi-branch support
- Reusable schema components and model/component libraries
- Team collaboration with tracked design comments and review workflows
- Role-based access control, LDAP/SAML SSO, and activity logs (Enterprise)
- Dependency graph and automatic changelog tracking across API projects
- Open-source tools: Prism, Spectral, and Elements available independently
Key Use Cases8
- Design-first REST API development using OpenAPI specifications
- Automated API documentation and interactive developer portal publishing
- Enterprise API governance and consistency enforcement via shared style guides
- API prototyping and mocking for parallel development teams
- Enterprise-scale API program management across multiple teams
- Internal API catalog management and cross-team discoverability
- Cross-functional API design collaboration between technical and non-technical stakeholders
- Public API product development and external developer experience
Stoplight customer outcomes
80% reduction in development time from idea to consumption
Transact adopted Stoplight's design-first API philosophy and attributed a dramatic reduction in development cycle time to getting API designs right before writing code, eliminating costly rework.
Prototype completed in 6 hours vs. weeks previously
Highmark's API architects used Stoplight's visual editor and collaborative prototyping to compress the API design cycle, moving from ideation to a shareable prototype in a single working session versus a multi-week process.
Calendly's Application Architect used Stoplight to facilitate design document creation and cross-team collaboration for their second-generation public API platform, enabling a systematic design-first workflow integrated with GitHub and JIRA.
Recent Trend
How AI describes Stoplight3
...Can be self-hosted or embedded | ✅ | Beautiful API references | | SwaggerHub | ✅ | Team portal | ✅ | Design-first teams | | Stoplight Platform | ✅ | ✅ | ✅ | API governance + docs | ### 1\.
What tools can automatically generate up-to-date API documentation from an OpenAPI spec and host it in a developer portal?
...ps://swagger.io/tools/swaggerhub/?utm_source=chatgpt.com) | Git integration | ✅ | Spec-first | OpenAPI collaboration | | Stoplight Platform | ✅ | ✅ | ✅ | API design-first workflows | ### The strongest "al...
Which API documentation platforms automatically sync with a backend repo so docs stay in sync as the API evolves?
Spectral (the most common choice) Spectral from Stoplight is widely adopted because it separates rules from the specification.
What tools can lint OpenAPI specs in a CI pipeline to enforce consistent API design standards across multiple teams?
Most cited sources8
4Spectral: Open Source API Description Linter | Stoplight
stoplight.io·Product Page
- 4
OpenAPI Design & Documentation Management Tool | Stoplight
stoplight.io·Documentation
- B2
API-First, API Design-First, or Code-First: Which Should You Choose | Stoplight
blog.stoplight.io·Blog Post
- G1
Stoplight Spectral
github.com·Listicle
- 1
OpenAPI | OpenAPI Definition & Online Tools | Open API Standards List | Stoplight
stoplight.io·Documentation
- D1
Continuous Integration | Spectral
docs.stoplight.io·Documentation
Alternatives in API Development & Management6
Stoplight occupies a design-first, governance-focused niche within the API Development & Management vertical.
- Unlike Postman, which centers on API testing and request collaboration, Stoplight differentiates on OpenAPI-native visual design, automatic documentation generation, and organization-scale API governance via shared style guides and reusable component libraries.
- Compared with full-lifecycle gateway platforms such as Apigee, Kong, and MuleSoft, Stoplight is explicitly a pre-production design and documentation tool with no runtime proxy or monitoring capabilities.
- It was recognized as a G2 Leader in API Design for seven consecutive quarters through 2023 and named a 2019 Gartner Cool Vendor.
- As of August 2023 Stoplight operates under SmartBear, positioning it as the design-and-governance layer within a broader API tooling portfolio that includes SwaggerHub, SoapUI, and Pact.
Reviews
Praised
- Intuitive visual API editor
- High-quality automatic documentation generation
- Hosted mock server capabilities
- OpenAPI and JSON Schema standards compliance
- Team collaboration and design review workflows
- Fast API prototyping
- Ease of setup and onboarding
- Reusable schema components and model library
Criticized
- Occasional software bugs and stability issues
- Linting warnings not always accurate, can block docs generation
- Complex user access control configuration
- Limited documentation theming customization on lower tiers
- Limited offline functionality
- Integration options narrower than some competing platforms
Stoplight holds a 4.4/5 rating on G2 (343 reviews) with 64% five-star ratings and a 4.6/5 on SaaSWorthy (344 ratings). It was named a G2 Leader in API Design for seven consecutive quarters through 2023 and appeared on G2's 2022 Fastest Growing Products list. G2 data shows an average implementation time of 2 months and average ROI realization at 14 months. Users consistently praise the intuitive visual editor, documentation quality, mock server capabilities, and collaborative design workflows. Common criticisms include occasional software bugs, linting warnings of questionable accuracy, complex access control configuration, and limited customization on lower-tier plans.
Pricing
Stoplight offers a Free tier (1 project, 1 user) and three paid plans billed annually: Basic at $44/month (3 users included, $11/user additional), Startup at $113/month (8 users included, $11/user additional), and Pro Team at $362/month (15 users included, $22/user additional) with SAML/LDAP SSO, shared style guides, self-hosted Git, and workspace groups. Enterprise pricing is custom on annual contracts, including unlimited projects and teams, custom payment terms, invoicing, and priority support. Monthly billing is available at approximately 25% premium. Third-party procurement data (Vendr) indicates an average annual contract value of approximately $12,000.
Limitations
- Stoplight covers only the pre-production API lifecycle and does not provide API gateway, runtime proxy, traffic management, or API monitoring/observability capabilities — teams requiring full lifecycle management must pair it with a gateway platform.
- User reviews note occasional software bugs and stability issues; linting warnings from Spectral style guides are not always accurate and can block documentation generation workflows.
- Documentation theming and customization are limited on lower-tier plans.
- User access control configuration is reported as complex by some reviewers.
- The platform is primarily SaaS-hosted with limited offline functionality.
- Some users find the integration options narrower than competing platforms.
Frequently asked questions
Topic coverageCoverage by buyer topic
Topic Coverage
Prompt-Level Results
| Prompt | ChatGPT | Gemini Search | Bing Copilot | Google AI Mode | Perplexity | Grok |
|---|---|---|---|---|---|---|
Capability0/5 cited (0%) | ||||||
Which modern API platforms support async APIs and event-driven architectures — handling WebSocket or SSE endpoints alongside REST? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | A competitor was cited |
What API security capabilities should I expect out of the box from an API gateway — JWT validation, IP allowlisting, request inspection? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which enterprise API management platforms support usage-based billing and quota enforcement natively for API monetization? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which API gateways support GraphQL federation, and how do they compare to REST-only options for a team adopting a federated graph? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which managed SaaS API gateway solutions handle global traffic management better than self-hosted alternatives? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Developer Experience1/5 cited (20%) | ||||||
What tools can lint OpenAPI specs in a CI pipeline to enforce consistent API design standards across multiple teams? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Your brand and a competitor were cited |
Which API management platforms handle versioning and breaking change detection best to help teams avoid accidentally breaking consumers? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which API clients and testing tools have the best collaborative features for teams sharing API collections? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which tools offer the best experience for generating strongly typed SDK clients from an OpenAPI spec across multiple languages? | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
What's the easiest way to mock API endpoints locally so frontend teams aren't blocked waiting for real backend implementations? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited |
Integrations & Ecosystem1/5 cited (20%) | ||||||
Which API gateways integrate well with a service mesh in a container orchestration environment — what solutions handle both layers cleanly? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which API management platforms integrate best with identity providers to enable OAuth2 and OIDC for third-party API consumers? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
Which API platforms support GitOps workflows — version-controlling gateway configuration and applying it through a CI pipeline? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Looking for an API gateway that avoids vendor lock-in with open standards or portable config formats — what are my options? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Your brand and a competitor were cited |
Which API documentation platforms automatically sync with a backend repo so docs stay in sync as the API evolves? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Performance & Reliability1/5 cited (20%) | ||||||
Which API gateways auto-scale horizontally to handle traffic spikes without becoming a bottleneck themselves? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which API management platforms offer the best response caching strategies to reduce upstream load for high-read traffic? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Your brand and a competitor were cited |
What tools can load test an API gateway configuration to validate rate limiting and circuit breaking under real-world conditions? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited |
Which API gateways add the lowest per-request latency overhead, especially under high concurrency? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Which managed API gateway providers offer the best uptime guarantees and failover story for mission-critical APIs? | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
Setup & First Run1/5 cited (20%) | ||||||
What's the fastest API gateway to set up in front of multiple microservices with rate limiting and authentication from day one? | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
I'm evaluating modern cloud-native API management platforms to replace a legacy setup — what should I look at and how disruptive is the migration? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | A competitor was cited |
What should I look for in an API testing tool when starting to build automated contract tests alongside a new REST API? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited |
What tools can automatically generate up-to-date API documentation from an OpenAPI spec and host it in a developer portal? | Neither your brand nor a competitor was cited | A competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | A competitor was cited |
What tools and platforms support API design-first workflows — what should teams adopt compared to a code-first approach? | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Neither your brand nor a competitor was cited | Your brand and a competitor were cited |
Turn this matrix into daily prompt monitoring.
Track prompt changesVertical Ranking
| # | Brand | PresencePres. | Share of VoiceSoV | DocsDocs | BlogBlog | MentionsMent. | Avg PosPos | Sentiment |
|---|---|---|---|---|---|---|---|---|
| 1 | Kong | 17.3% | 41.7% | 1.3% | 14.7% | 0.0% | #22.8 | +0.32 |
| 2 | Speakeasy | 6.0% | 12.9% | 0.0% | 4.7% | 6.7% | #9.7 | +0.38 |
| 3 | Postman | 5.3% | 13.7% | 0.7% | 0.0% | 17.3% | #27.6 | +0.52 |
| 4 | Treblle | 4.0% | 5.8% | 0.0% | 4.0% | 2.7% | #10.1 | +0.43 |
| 5 | SmartBear | 4.0% | 7.2% | 1.3% | 2.0% | 5.3% | #28.8 | +0.63 |
| 6 | MuleSoft | 4.0% | 8.6% | 0.7% | 1.3% | 10.7% | #42.7 | +0.20 |
| 7 | Stoplight | 2.7% | 5.8% | 0.7% | 1.3% | 14.7% | #23.6 | +0.17 |
| 8 | Apigee | 2.7% | 3.6% | 0.0% | 0.7% | 38.7% | #34.6 | +0.20 |
| 9 | APILayer | 0.7% | 0.7% | 0.0% | 0.0% | 0.0% | #50.0 | +0.50 |
| 10 | Hoppscotch | 0.0% | 0.0% | 0.0% | 0.0% | 4.0% | — | — |
| 11 | RapidAPI | 0.0% | 0.0% | 0.0% | 0.0% | 1.3% | — | — |
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