Softwr

Software · head to head

Postman vs Stoplight

Postman logo

Postman

Software

The API platform for building and using APIs

From
Free
Rated
-
Stoplight logo

Stoplight

Software

API design, documentation, and governance platform

From
Free
Rated
-

The short version

  • Each has a real cost: Postman free plan limited to single user as of March 1, 2026, making it unsuitable for teams without paid plans; Stoplight the free plan allows one project and one user
  • They diverge on capability: Postman covers API client, Stoplight covers API Design.

Where they differ

Only the attributes on which Postman and Stoplight actually diverge.

Attributes where Postman and Stoplight differ
AttributePostmanStoplight
Pricing modelUnknownfreemium
PlatformsWeb, Windows, macOS, LinuxWeb, Cloud

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Unknown), founded (2014).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Postman

  • API client
  • Automated testing
  • Mock servers
  • Documentation
  • Monitors
  • Workspaces
  • Version control
  • API design

Only in Stoplight

  • API Design
  • API Documentation
  • Governance
  • Web support
  • Cloud support

Both cover

  • GitHub
  • GitLab
  • Jenkins
  • Azure DevOps

What people use each for

The jobs each tool is most often brought in to do.

Postman

  • API testingnot Stoplight
  • API documentationnot Stoplight
  • API monitoringnot Stoplight
  • Team collaborationnot Stoplight
  • API developmentnot Stoplight

Stoplight

  • Designing and documenting OpenAPI specifications visuallynot Postman
  • Serving interactive API docs and instant mock servers from a specnot Postman

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Postman

  • Free plan limited to single user as of March 1, 2026, making it unsuitable for teams without paid plans
  • Only 25 collection runs per month and 1,000 API calls/month on free tier
  • Removed local-only Scratch Pad mode in 2023, forcing cloud account creation and sync
  • Requires Postman account and internet connection for most features
  • Cloud-first architecture with mandatory syncing to Postman's cloud servers
  • No CI/CD integration or advanced security features on free plan

Stoplight

  • The free plan allows one project and one user
  • Private projects, multi branch support and custom domains start at the Startup plan, $113 a month billed annually
  • SSO and shared style guides are Pro Team only, at $362 a month billed annually
  • Seats beyond each plan's allowance are $11 to $27 each per month depending on tier and billing period

Pricing, plan by plan

Postman

Free
  • FreeFree
    • 1 user
    • 25 collection runs/month
    • 1,000 API calls/month
  • Team$14/month
    • Team collaboration
    • Shared workspaces
    • API mocking
  • Professional$29/month
    • Team features
    • Advanced security
    • SSO
  • Enterprise$49/month
    • Professional features
    • Custom integrations
    • Priority support

Stoplight

Free
  • FreeFree
    • API design
    • Documentation
    • Community support
  • Pro$75/monthly
    • Governance
    • Advanced testing
    • Team collaboration
  • Enterprise$undefined/monthly
    • Custom deployment
    • SLA
    • Priority support

Which should you pick?

Choose Postman if

  • You need api client.
  • You want to start without paying.
  • You work on Web, Windows, macOS, Linux.
  • You also want automated testing.

Choose Stoplight if

  • You need api design.
  • You want to start without paying.
  • You work on Web, Cloud.
  • You also want api documentation.

Questions people ask

Is Postman or Stoplight better?
Neither clearly leads. Postman starts at Free and Stoplight at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Postman or Stoplight?
Postman starts at Free and Stoplight at Free.
Does Postman or Stoplight run on more platforms?
Postman runs on Web, Windows, macOS, Linux. Stoplight runs on Web, Cloud.
Can I use Postman for free?
Both have a free tier, so you can try either at no cost before committing.
What is Postman best used for?
Postman is most often used for api testing, api documentation, api monitoring, team collaboration. Of those, api testing and api documentation are not what Stoplight is typically brought in for.
What can Postman do that Stoplight cannot?
Postman covers API client, Automated testing, Mock servers, Documentation. Stoplight covers API Design, API Documentation, Governance, Web support. Both handle GitHub, GitLab, Jenkins, Azure DevOps.

Answered from the vendors’ own pages

Postman: What is the cost of Postman?

Postman has a free plan limited to 1 user, 25 collection runs/month, 1,000 API calls/month. Team plans start at $14/user/month for Basic. Professional at $29/user/month, and Enterprise at $49/user/month.

Source
Postman: Can I use Postman offline?

Postman requires an internet connection to sync collections to the cloud. Since 2023, the Scratch Pad local-only mode was removed. Users must sign in with a Postman account, and collections sync to cloud by default. Offline work is possible but limited without cloud sync features.

Source
Postman: Does Postman have team collaboration?

Team collaboration is not available on the free plan (limited to 1 user). Team plans start at $14/user/month and include shared workspaces, real-time collaboration, and team management features.

Source
Postman: What are the free plan limits?

Free plan allows: 1 user only, 25 collection runs per month, 1,000 API calls/month, and 1,000 mock server calls/month. No CI/CD integration or advanced security features.

Source
Postman: Does Postman work with other development tools?

Postman integrates with Git repositories, offers a Node.js runner (Newman) for automation, and connects with popular CI/CD platforms. Teams using git-native workflows may prefer alternatives like Bruno.

Source

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