Api Testing

Api testing that prevents 3 A.M. incidents

Let me tell you what happens when you don’t take API testing seriously.

Your CTO gets a Slack message at 3 a.m. from a customer in Singapore: “Hey, your app’s login is broken. We can’t authenticate anyone.”

Support is scrambling. Engineers are half-asleep, fumbling into the code. Revenue? It’s bleeding. And your customer? On the verge of churn.


All because your QA team thought “manual smoke testing” was enough for your APIs.

It’s not. You don’t need another test script. You need a testing partner that knows how to break your system before your users do.

What You Get

What we test — and why it matters

We don’t just send GET and POST requests. We interrogate your APIs like a hostile detective. We test every request like it’s mission critical — because in SaaS, it is.

Authentication & Authorization

  • Token validation (expired, malformed, missing)
  • Role-based access checks
  • OAuth flows, SSO integrations, refresh logic

So your leadership actually understands what’s at stake.

Response Handling & Contract Verification

  • Schema validations with Swagger/OpenAPI specs
  • Latency thresholds, retry logic, fallback mechanisms
  • Error response structure (400s, 429s, 500s) and developer clarity

When developers see a clean 400 with a helpful message, they don’t email your support team.

Data Validation & Business Logic

  • Input fuzzing, edge-case scenarios
  • Missing fields, wrong data types, boundary values
  • Business rule enforcement (rate limits, quotas, billing triggers)

We don’t just test the happy path. We test the 5% that breaks production.

State, Idempotency, & Sequence Testing

  • Repeated calls — are they safe?
  • State transitions — are they logical?
  • Sequences — does step 3 still work if step 2 failed?

We simulate real-world user abuse. Then we find the cracks.

Technology We Use

Technical Stack?

Node

Python

Firebase

Keycloak

Swagger

Postman

Insomnia

GO

Auth0

Java

custom JWT flows

REST

Api Testing

This isn't testing. this is resilience engineering.

If you're running a SaaS company, especially one with global customers, your API is your product. It powers your frontend, your integrations, your revenue.

When APIs go down:

  • Signups break.
  • Payments fail
  • Reports vanish
Why Choose Us

What sets us apart

Other QA vendors run test scripts. We engineer attacks. They check if your API works. We check if it survives.

We use:

Custom test harnesses

Load simulators

Chaos-style monkey tests

Inter-service contract checks

And we don’t just hand over a bunch of test results. We deliver actionable insights:

Where your API fails silently

Which flows are vulnerable to abuse

Which services are most brittle under load

Which clients might break after your next version bump

Api Testing

but our team is already doing automated testing

That’s good. But let me ask:

  • Are they testing against production mirrors?
  • Are they running negative scenarios daily?
  • Are they validating third-party dependencies?

    • Most internal teams write unit tests for their own endpoints. But nobody owns cross-service validation.

    That’s where we come in. We test across systems. We test as outsiders. We test with the paranoia of someone who’s been on PagerDuty for five years.

Our Services

we don't just find bugs. we ship safety

01

Pre-release Confidence

We integrate with your CI/CD pipeline and test every new release before it hits staging.

02

Regression Kill-Switches

We track changes across endpoints and detect silent regressions — even when your devs forget to update tests.

03

API Contract Intelligence

We monitor OpenAPI specs and alert you to undocumented changes or missing edge-case tests.

04

Integration Flow Testing

We simulate real users, with real sequences — from login to checkout to reporting.

05

Crystal-Clear Reporting

You get test dashboards that make sense to non-engineers. And technical logs that help devs fix things fast.

Api Testing

What to see how we'd break your Api?

We offer a one-time API Attack Simulation.

We’ll test 20 of your most critical endpoints. No fluff. No long contracts. You’ll get a full breakdown:

Performance

Contract mismatches

Vulnerabilities

Redundancies

No excuses. No fluff. Just the truth.

Enquire Now