Software · head to head
Postman vs Attio
Attio
Software
The CRM built for the next generation of companies
- From
- $29/month
- Rated
- -
The short version
- Only Postman has a free tier, so it costs nothing to try first.
- 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; Attio the free plan stops at 3 seats and 50,000 records
- They diverge on capability: Postman covers API client, Attio covers Custom data model.
Where they differ
Only the attributes on which Postman and Attio actually diverge.
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 Postman
- API client
- Automated testing
- Mock servers
- Documentation
- Monitors
- Workspaces
- Version control
- API design
Only in Attio
- Custom data model
- Flexible views
- Email integration
- Calendar sync
- Automations
- Mobile app
- Real-time collaboration
- Templates
Both cover
- Slack
What people use each for
The jobs each tool is most often brought in to do.
Postman
- API testingnot Attio
- API documentationnot Attio
- API monitoringnot Attio
- Team collaborationnot Attio
- API developmentnot Attio
Attio
- Sales pipelinenot Postman
- Customer managementnot Postman
- Deal trackingnot Postman
- Investor relationsnot Postman
- Partnership managementnot 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
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
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
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
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 Attio if
- You need custom data model.
- You work on Web, Ios, Android, Api.
- You also want flexible views.
Questions people ask
- Is Postman or Attio better?
- Neither clearly leads. Postman starts at Free and Attio at $29/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Postman or Attio?
- Postman has a free tier; the other does not. Paid plans start at Free for Postman and $29/month for Attio.
- Does Postman or Attio run on more platforms?
- Postman runs on Web, Windows, macOS, Linux. Attio runs on Web, Ios, Android, Api.
- 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 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 Attio is typically brought in for.
- What can Postman do that Attio cannot?
- Postman covers API client, Automated testing, Mock servers, Documentation. Attio covers Custom data model, Flexible views, Email integration, Calendar sync. 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.
SourcePostman: 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.
SourcePostman: 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.
SourcePostman: 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.
SourcePostman: 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