I want to be clear about something before you read this.
Postman is not a bad product. It is actually a very good product.
I used it for three years. I recommended it to every developer I worked with. I built entire workflows around it.
And then I stopped. Completely.
Here is the honest story of why.
Year One: Postman was perfect
When I started using Postman I was building my first real backend API. Node.js, Express, MongoDB. The usual stack for someone learning.
Postman solved a problem I did not even know I had. Before it, I was testing APIs with curl commands in the terminal. One endpoint at a time. Copying and pasting tokens. Forgetting headers. Getting the body format wrong.
Postman gave me a UI. I could save requests. Build collections. Switch between environments with one click. See the response formatted nicely instead of raw JSON in a terminal.
It felt like a superpower.
I told every developer I knew about it. I put it in every project README. I assumed I would use it forever.
Year Two: The cracks started showing
By year two I was working on bigger projects. More APIs. More team members.
This is when Postman starts getting complicated.
Problem 1: Sharing collections
I built a collection for a project. 40 requests across 8 folders. Environments set up for dev, staging, production. Took me a few hours to get it right.
I wanted to share it with a colleague.
The free tier lets you share but with limited collaboration. My colleague could see the collection but the sync was unreliable. He would make a change and it would not show up on my end. I would update an environment variable and his version would be out of date.
We ended up exporting JSON files and sending them over Slack. In 2024. Via Slack messages. Like it was 2015.
Problem 2: The workspace confusion
Postman introduced workspaces. Then team workspaces. Then personal workspaces. Then public workspaces.
I spent more time understanding the workspace system than actually testing APIs. Every new team member needed an explanation. "No, that is your personal workspace. No, this one is the team workspace. No, you need to be invited to this specific workspace."
It became overhead.
Problem 3: Load testing was a completely separate problem
Every project reaches a point where you ask: can this API handle real traffic?
Postman does not answer that question.
So I had k6. Which meant I had two tools. Postman for building and testing requests, k6 for load testing. Different syntax. Different mental model. Different place to look when something breaks.
Fine. Not a dealbreaker. Just friction.
Year Three: The pricing conversation
This is the year that changed everything.
I was building API Test Lab with a small team. Three developers. All using Postman.
We hit the free tier limit.
I went to look at the pricing page.
$14 per user per month for the Basic plan.
For three developers: $42 per month. $504 per year.
For an API testing tool.
I want to be fair here. For a company with 20 engineers, $14 per person is nothing. It disappears into the budget without anyone noticing.
But for a solo developer or a small startup, $504 per year for a testing tool is real money. That is a server. That is a month of runway. That is a decision that actually matters.
I looked at what we were getting for $14 per user:
Unlimited collections ✓
Team collaboration ✓
Version control ✓
More API calls per month ✓
All things that should be free for small teams. All things that used to be free before Postman started its enterprise pivot.
I understand why they did it. Postman is a company. They need revenue. Enterprise contracts pay. Individual developers do not.
But understanding it does not mean accepting it.
The moment I decided to build something
I was debugging an API at 11pm. Load testing had to happen the next morning before a product launch. I had k6 scripts from the last project. I had Postman for the request testing. I had a third tool for monitoring.
Three browser tabs. Three different syntaxes. Three different places where things could be wrong.
I thought: why does this require three tools?
REST testing and load testing are not different problems. They are the same problem at different scales. You want to know if your API works. That is it. Whether you are testing it once or testing it with 500 concurrent users, the question is the same.
So I built API Test Lab.
Not because I was sure it would work. Not because I had a business plan. Because I was frustrated and I wanted one tool that did everything.
What I actually built
Six months later, here is what exists:
REST API testing — collections, folders, environments, variables, 13 auth types including OAuth 2.0, AWS SigV4, JWT, and all the others. Postman-style but without the workspace confusion.
GraphQL testing — schema introspection, query editor, variables, assertions. Point it at any GraphQL endpoint and it shows you the schema automatically.
Load testing — concurrent users, ramp-up time, live WebSocket metrics while the test runs. P50, P95, P99 percentiles. AI analysis of the results. All inside the same tool where you built your requests.
Mock server — create fake API endpoints that return whatever response you configure. Frontend developers can build against them while you finish the real API.
Shared collections — share a full collection via a public link. Recipients can browse every request and run them directly from their browser without creating an account. API keys and auth tokens are automatically hidden from the shared view.
Web scanner — point it at any URL and it detects what API technologies are in use. REST, GraphQL, SOAP. Useful for understanding third-party APIs before you start testing them.
Free tier available. No credit card required.
What I gave up
I should be honest about this.
Postman has things I have not built yet:
Postman Flows — visual workflow builder, genuinely impressive
Pre-request scripts — JavaScript that runs before each request
Test scripts — JavaScript assertions after each request
Monitors — scheduled collection runs with email alerts
API documentation — publish your collection as docs
These are real features that real developers use.
If your workflow depends heavily on JavaScript test scripts or Flows, API Test Lab is not ready for you yet.
I am building toward it. But I would rather tell you what is missing than oversell what exists.
The honest comparison
API Test LabPostman FreePostman BasicREST testing✅✅✅Collections✅ unlimited✅ limited✅ unlimitedEnvironments✅✅✅GraphQL tester✅✅✅Load testing✅ built in❌❌Mock server✅✅ limited✅Shared collections✅ runnable✅ view only✅AI analysis✅ Pro✅ limited✅Pre-request scripts❌ coming✅✅PriceFree / $5 / $20Free (limited)$14/user/month
The number that matters to me: $5 per month for Pro versus $14 per user per month for Postman.
For a team of three, that is $15 versus $42. Per month. Forever.
What happened when I switched
Honestly? The first week was uncomfortable.
Muscle memory is real. I kept reaching for Postman shortcuts. I kept expecting things to be in places they were not.
By week two I stopped noticing.
By month two I could not remember what the friction had been.
The thing that surprised me most: having load testing in the same tool as my API testing changed how I think about APIs. I run quick load tests much more often now because the friction of switching tools is gone. A request I was going to run once, I now run 50 times to see what happens. That habit has caught real performance problems early.
That was not something I planned for when I built it. It is just what happened when the friction disappeared.
Should you switch?
Probably not immediately.
If Postman is working for you and you are not hitting the pricing wall, stay. Switching tools has a real cost and switching for the sake of switching is a waste of time.
Switch if:
You are paying $14/user and questioning whether it is worth it
You want load testing without adding another tool to your stack
You are a solo developer or small team on a tight budget
You want to share testable collections with teammates or external developers without them needing accounts
Do not switch if:
Your workflow depends on Postman's pre-request JavaScript
You use Postman Flows extensively
Your team has deep Postman muscle memory and no real pain with it
Try it
API Test Lab is at apitestlab.org.
Free tier. No card. Sign up in under a minute.
If something is broken or missing, reply to this article or email me at hello@apitestlab.org. I read everything personally. Not a support bot. Not a team. Me.
That is one thing Postman definitely cannot offer.
Abubakkar Sajid is a solo developer and founder of API Test Lab, built in Lahore, Pakistan.
GitHub: github.com/Innocent-Developer
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