Postman Flows vs Windmill: Which Should You Choose in 2026?
Choosing between Postman Flows and Windmill comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Postman Flows
Visual API workflows
Best for you if:
- • You need visual api workflows
- • You want to start free and upgrade later
Windmill
Open-source developer platform for scripts
Best for you if:
- • You want the higher-rated option (8.2/10 vs 0.0/10)
- • Windmill is an open-source developer platform for internal tools
- • It runs scripts and workflows with a visual builder
| At a Glance | ||
|---|---|---|
Price | Free + Paid | Free + Paid |
Best For | Low-Code Backend | Low-Code Backend |
Rating | —/100 | 82/100 |
| Feature | Postman Flows | Windmill |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| Editorial Score | — | 82 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 181 | 0 |
| Categories | Low-Code BackendAPI Tools | Low-Code BackendWorkflow Automation |
Understanding the Differences
Both Postman Flows and Windmill solve similar problems, but they approach them differently.Postman Flows positions itself as "visual api workflows" while Windmillfocuses on "open-source developer platform for scripts". These differences matter depending on what you're trying to accomplish.
When to Choose Postman Flows
Postman Flows makes sense if you're looking for a budget-friendly option with a free tier solution.
When to Choose Windmill
Windmill is worth considering if you need a flexible option with both free and paid tiers tool. Scoring 82/100, it edges ahead in our evaluation.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, Postman Flows lets you get started without pulling out your credit card.
We'd pick: Postman Flows
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. Windmill is built for teams that are leveling up.
We'd pick: Windmill
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: Windmill
Still not sure? Answer these 3 questions
How much can you spend?
Tight budget? Start free with Postman Flows, upgrade when you're ready.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated Windmill higher (82/100). But the community has upvoted Postman Flows more (181 votes). Pick your source of truth.
Key Takeaways
What Windmill Does Better
- Higher overall score (82/100)
- Our recommendation for most use cases
Consider Postman Flows If
- You want to start free and scale later
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with Windmill (82/100). But the honest answer is that "better" depends on your situation. Windmill scores higher in our analysis, but Postman Flows might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is Postman Flows or Windmill better?
Based on our analysis, Windmill scores higher with 82/100. Postman Flows isfreemium while Windmill is freemium. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from Postman Flows to Windmill easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do Postman Flows and Windmill offer free trials?
Most software in this category offers free trials or free tiers. Postman Flows is freemium with a free tier.Windmill is freemium with a free tier. Visit their websites for current trial offers.