API Security Testing — REST · GraphQL · gRPC
Deep API security testing across REST, GraphQL and gRPC — covering OWASP API Top 10, auth bypass, IDOR, mass-assignment and rate-limit abuse.
Coverage that goes deep.
Deep API security testing across REST, GraphQL and gRPC — covering OWASP API Top 10, auth bypass, IDOR, mass-assignment and rate-limit abuse.
- Broken object-level authorization (BOLA)
- Broken authentication & JWT flaws
- Excessive data exposure
- Mass assignment
- Rate limiting & resource consumption
- GraphQL introspection & query depth
- gRPC service-level auth
- Webhooks & callback abuse
- Timeline
- 5–8 business days
- Methodology
- OWASP API Security Top 10 (2023)
PTES - Category
- Offensive
- Re-test
- Included after fixes
Every engagement is led by a CRTO/OSCP-certified senior engineer with named accountability.
What you get back.
A structured deliverable pack you can hand to engineers, auditors and the board.
API endpoint inventory
OWASP API Top 10 mapped findings
Postman/Bruno collection of PoCs
Re-test certificate
How we work.
Scope
Confidential scoping call. We agree assets, environments, exclusions and timing.
Test
Active testing per agreed methodology, with daily check-ins on critical findings.
Report
Executive + technical deliverables. CXO presentation if you want it.
Retest
Re-test included after your team applies fixes. Certificate issued on pass.
Common questions.
Do you need OpenAPI/Swagger?
Tell us about your environment.
A 30-minute scoping call — confidential, NDA-protected, complimentary. Our senior security team will respond within 4 business hours.
- Named senior engineer on every project
- In-house tools in production · ISO 27001 aligned practices
- 4-hour breach SLA · 5–10 day delivery