Softwr

Communication · head to head

LINE WORKS vs Postman

LINE WORKS logo

LINE WORKS

Communication

Business chat built on the LINE interface, aimed at Japanese firms whose staff and customers already use LINE

From
Free
Rated
-
Full reviewWebsite
Postman logo

Postman

Technology

The API platform for building and using APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: LINE WORKS the external LINE bridge, which is the main reason to choose it, only matters where LINE has consumer penetration, so buyers outside Japan, Taiwan and Thailand are paying for a feature they cannot use.; Postman free plan limited to single user as of March 1, 2026, making it unsuitable for teams without paid plans
  • They diverge on capability: LINE WORKS covers External LINE messaging, Postman covers API client.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which LINE WORKS and Postman actually diverge.

Attributes where LINE WORKS and Postman differ
AttributeLINE WORKSPostman
Pricing modelPer user per monthUnknown
PlatformsWeb, iOS, Android, Windows, macOSWeb, Windows, macOS, Linux
CategoryCommunicationTechnology
FoundedUnknown2014

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

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 LINE WORKS

  • External LINE messaging
  • Chat and channels
  • Voice and video calls
  • Shared address book
  • Calendar and bulletin board
  • Drive
  • Business email
  • Admin controls

Only in Postman

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

What people use each for

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

LINE WORKS

  • A Japanese retail or service chain whose customers expect to book and enquire over LINE rather than emailnot Postman
  • A clinic, dealership or estate agency that needs customer conversations on LINE but under corporate retention and auditnot Postman
  • A Japanese SME under 30 staff that wants managed business chat at no licence cost on the free tiernot Postman
  • The Japanese subsidiary of a foreign group that needs a local tool for front-line staff alongside the group standardnot Postman

Postman

  • API testingnot LINE WORKS
  • API documentationnot LINE WORKS
  • API monitoringnot LINE WORKS
  • Team collaborationnot LINE WORKS
  • API developmentnot LINE WORKS

Where each one falls short

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

LINE WORKS

  • The external LINE bridge, which is the main reason to choose it, only matters where LINE has consumer penetration, so buyers outside Japan, Taiwan and Thailand are paying for a feature they cannot use.
  • The free tier caps total storage at 5GB across the whole organisation, not per user, so a team sharing photos or documents exhausts it within weeks and is pushed onto a paid plan.
  • Business email is only on the Advanced plan at 800 yen per user, so an organisation wanting both chat and mail pays nearly double the Standard rate for every seat including staff who only chat.
  • Developer documentation, support and the integration catalogue are strongest in Japanese, which makes it awkward to administer from a non-Japanese IT function.
  • It has no serious developer or engineering workflow story, so organisations that also run Slack or Teams for technical teams end up maintaining two chat systems and two directories.

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

Pricing, plan by plan

LINE WORKS

Free
  • FreeFree
    • Up to 30 users
    • 5GB total storage
    • Chat, calls, calendar and address book
  • Standard$450/month
    • Unlimited users
    • 1TB shared storage
    • Annual contract price, 540 yen monthly
  • Advanced$800/month
    • Everything in Standard
    • Business email
    • 100TB shared storage

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

Which should you pick?

Choose LINE WORKS if

  • You need external line messaging.
  • You want to start without paying.
  • You work on Web, iOS, Android, Windows, macOS.
  • You also want chat and channels.
LINE WORKS review

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.
Postman review

Questions people ask

Is LINE WORKS or Postman better?
Neither clearly leads. LINE WORKS starts at Free and Postman at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, LINE WORKS or Postman?
LINE WORKS starts at Free and Postman at Free.
Does LINE WORKS or Postman run on more platforms?
LINE WORKS runs on Web, iOS, Android, Windows, macOS. Postman runs on Web, Windows, macOS, Linux.
Can I use LINE WORKS for free?
Both have a free tier, so you can try either at no cost before committing.
What is LINE WORKS best used for?
LINE WORKS is most often used for a japanese retail or service chain whose customers expect to book and enquire over line rather than email, a clinic, dealership or estate agency that needs customer conversations on line but under corporate retention and audit, a japanese sme under 30 staff that wants managed business chat at no licence cost on the free tier, the japanese subsidiary of a foreign group that needs a local tool for front-line staff alongside the group standard. Of those, a japanese retail or service chain whose customers expect to book and enquire over line rather than email and a clinic, dealership or estate agency that needs customer conversations on line but under corporate retention and audit are not what Postman is typically brought in for.
What can LINE WORKS do that Postman cannot?
LINE WORKS covers External LINE messaging, Chat and channels, Voice and video calls, Shared address book. Postman covers API client, Automated testing, Mock servers, Documentation.

Answered from the vendors’ own pages

LINE WORKS: Can LINE WORKS really message ordinary LINE users?

Yes. That is its core differentiator and the reason Japanese customer-facing businesses buy it.

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
LINE WORKS: Is there a free plan?

Yes, up to 30 users with 5GB of total organisation storage.

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
LINE WORKS: Does the Standard plan include email?

No. Business email is Advanced only, at 800 yen per user per month on an annual contract.

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
LINE WORKS: Is it worth buying outside Japan?

Generally no. Without the consumer LINE bridge it competes poorly against Slack, Teams or Lark on features and ecosystem.

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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