Postman vs Stoplight
Postman and Stoplight are both API & developer docs tools. Postman is aimed at developers and small businesses, while Stoplight is aimed at developers and enterprise. Postman costs less, from $9/mo versus $56/mo for Stoplight. Both have a free plan.
API platform for testing, mocking, documenting and sharing APIs
API design, docs and governance
| Pricing | Freemium · $9 | Freemium · $56 |
| Starting price | $9/mo | $56/mo |
| Free plan | Yes | Yes |
| Free trial | — | 14 days |
| Built for | Developers, Small businesses, Enterprise | Developers, Enterprise |
| Platforms | web, macos, windows, linux | web |
| Country | US · 2014 | US · 2015 |
| Rating | — | — |
Choose Postman if
Development teams that want a shared, full-featured workspace for testing, mocking and documenting APIs.
- Industry standard; many API vendors ship ready Postman collections
- Testing, mocking, docs and monitoring in a single tool
- Capable Free plan for solo developers
Look elsewhere if: Developers who want a lightweight Git-native client or just a docs portal (Bruno, Insomnia, ReadMe, Scalar).
Choose Stoplight if
API-first organizations.
- Design-first workflow
- Spectral linting
- Mocking
Look elsewhere if: Small projects.
Postman vs Stoplight pricing
Postman
- Free$01 user; collections, mock servers, up to 5 integrations
- Solo$9/moBilled annually; 1 user, 400 AI credits/mo
- Team$19/user/moBilled annually; unlimited users, 400 AI credits/user
- EnterpriseCustomGovernance, 800 pooled AI credits/user, 100 integrations
Stoplight
- Free$01 user, 1 project
- Basic$56/mo$44/mo billed annually; 3 users, unlimited projects
- Startup$147/mo$113/mo billed annually; 8 users
- Pro Team$453/mo$362/mo billed annually; 15 users, up to 20 teams
- EnterpriseCustom
Postman · Key features
- Collections with pre-request scripts, tests and environment variables
- Requests for REST, GraphQL, gRPC, WebSocket and MQTT APIs
- Mock servers that simulate endpoints before the backend exists
- Scheduled monitors for uptime and response checks
- Collection runner and Postman CLI for CI/CD pipelines
- Spec Hub and native Git sync for API definitions
Cons
- Free plan no longer allows team collaboration
- Heavy desktop app and a cloud account needed for most features
- Collections live in a proprietary format, not plain files in your repo
Stoplight · Key features
- Visual API design
- Mock servers
- Style guides (Spectral)
- Hosted docs
- Git sync
- Governance
Cons
- Pricey tiers
- SmartBear integration changes
- UI heavier
Postman vs Stoplight: FAQ
Which is cheaper, Postman or Stoplight?
Postman starts at $9/mo and Stoplight at $56/mo. Both prices are checked on the vendors' own pricing pages.
Do Postman and Stoplight have a free plan?
Yes, both Postman and Stoplight have a free plan; paid plans add more usage and features.
Which is better for small businesses, Postman or Stoplight?
Postman lists small businesses as a core audience, while Stoplight is aimed more at developers and enterprise.