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Software · head to head

Attio vs Postman

Attio logo

Attio

Software

The CRM built for the next generation of companies

From
$29/month
Rated
-
Full reviewWebsite
Postman logo

Postman

Software

The API platform for building and using APIs

From
Free
Rated
-
Full reviewWebsite

The short version

  • Only Postman has a free tier, so it costs nothing to try first.
  • Each has a real cost: Attio the free plan stops at 3 seats and 50,000 records; Postman free plan limited to single user as of March 1, 2026, making it unsuitable for teams without paid plans
  • They diverge on capability: Attio covers Custom data model, Postman covers API client.

Where they differ

Only the attributes on which Attio and Postman actually diverge.

Attributes where Attio and Postman differ
AttributeAttioPostman
Starting price$29/monthFree
Pricing modelsubscriptionUnknown
Free tierNoYes
PlatformsWeb, Ios, Android, ApiWeb, Windows, macOS, Linux
Founded20212014

Identical on both: user rating (Not yet rated), category (Unknown).

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 Attio

  • Custom data model
  • Flexible views
  • Email integration
  • Calendar sync
  • Automations
  • Mobile app
  • Real-time collaboration
  • Templates

Only in Postman

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

Both cover

  • Slack

What people use each for

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

Attio

  • Sales pipelinenot Postman
  • Customer managementnot Postman
  • Deal trackingnot Postman
  • Investor relationsnot Postman
  • Partnership managementnot Postman

Postman

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

Where each one falls short

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

Attio

  • The free plan stops at 3 seats and 50,000 records
  • Outbound email is capped at 200 messages a month on the free plan and 1,000 on Plus
  • Call Intelligence, sequences, advanced reporting and permission controls all require the Pro tier
  • Custom objects are capped at 3 on free, 5 on Plus and 12 on Pro, with unlimited objects reserved for Enterprise
  • File storage is capped at 50 GB on the free and Plus tiers

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

Attio

$29/month
  • Starter$29/month
    • Unlimited contacts
    • Custom objects
    • Email sync
  • Plus$59/month
    • Everything in Starter
    • Automations
    • Custom attributes
  • Pro$119/month
    • Everything in Plus
    • Advanced automations
    • Custom branding
  • Enterprise$undefined/month
    • Custom contracts
    • SSO
    • Dedicated support

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 Attio if

  • You need custom data model.
  • You work on Web, Ios, Android, Api.
  • You also want flexible views.
Attio 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 Attio or Postman better?
Neither clearly leads. Attio starts at $29/month and Postman at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Attio or Postman?
Postman has a free tier; the other does not. Paid plans start at $29/month for Attio and Free for Postman.
Does Attio or Postman run on more platforms?
Attio runs on Web, Ios, Android, Api. Postman runs on Web, Windows, macOS, Linux.
Can I use Postman for free?
Yes. Postman has a free tier, so you can try it without paying. Attio starts at $29/month.
What is Attio best used for?
Attio is most often used for sales pipeline, customer management, deal tracking, investor relations. Of those, sales pipeline and customer management are not what Postman is typically brought in for.
What can Attio do that Postman cannot?
Attio covers Custom data model, Flexible views, Email integration, Calendar sync. Postman covers API client, Automated testing, Mock servers, Documentation. Both handle Slack.

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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