API Penetration Testing

BOLA, token confusion, the endpoint that shouldn’t accept that payload, the workflow you can break by reordering two calls — the kind of API bugs that turn into an incident on a Sunday.

What we’ll look at

  • Broken object-level authorization testing
  • Token and session handling review
  • Rate limiting and abuse controls
  • Payment workflow manipulation attempts
  • Mass assignment and schema abuse
  • Sensitive data leakage testing

What you get

  • Endpoint risk summary
  • Validated exploit scenarios
  • Request and response evidence
  • Remediation guidance for developers
  • Retest-ready finding register

Why teams book it

  • Find authorization gaps before launch
  • Protect partner and payment integrations
  • Improve confidence in API changes

Common questions

Anything else, just drop us a line.

Yes — a scope and rules of engagement. It covers what’s in, what’s off limits, the test window, and the phone numbers to call if anything looks off mid-test.

In most cases. We write findings so your QSA can map them back to controls, and we’ll join the call if it helps. We can’t sign the RoC ourselves — that’s their job.

Yes. Either include it in the original scope or come back to us once the fixes are in. We re-run the same tests and write up what closed.

Want a quote?

Tell us what you’d like tested and when. We usually reply the same day.

Get in touch