API testing
API Contract Lab — Hardening REST flows
Design contract checks, negative paths, and schema drift alarms for services your teams ship weekly.
Cohort + shared lab workspace 8 evenings + 2 mentor checkpoints api-contract
₩920,000 informational tuition
See Money-Back Policy for eligibility windows.
Program narrative
Evening blocks walk through OpenAPI diffs, consumer-driven checks, and how to keep mocks honest when backends iterate. You leave with a repeatable checklist your squad can paste into sprint planning.
What is included
- OpenAPI diff rituals with annotated examples
- Negative-path matrix tied to real incident notes
- Schema drift monitors you can wire into CI without drama
- Pair exercises on flaky 409/422 handling
- Trace sampling to catch silent payload truncation
- Lightweight reporting template for cross-org workflow reviews
- Office-hour block for your current service graph
Outcomes you can evidence
- ◆ Ship a contract suite that fails loudly before prod
- ◆ Document a reconciliation map between environments
- ◆ Run a cross-team review using the supplied scorecard
FAQ
Do you cover GraphQL?
We touch federation edges briefly, but the core drills assume REST/OpenAPI stacks.
Is mentor time unlimited?
Two structured checkpoints are included; additional reviews are billed separately.
What is not included?
We do not provision cloud spend or enterprise SSO sandboxes—bring credentials your org approves.
Experience notes
“The OpenAPI diff ritual from week four caught a silent enum change our staging sweep missed. Still using the sticky-note risk grid.”
“Dense, in a good way. Wish the async videos had chapter markers for replay.”