INTERMEDIATE • Testing and API Quality

Endpoint Design Lab for payments status gateway #6

This lesson targets improve endpoint reliability in a realistic payments status gateway workflow. You will practice commands: supertest(request(app)).get('/api/...') | middleware(authGuard) | npx prisma init. The code example is specific to backend API engineering tasks for this lesson objective.

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If this never completes: start PostgreSQL, check DATABASE_URL and DIRECT_URL in .env, run npx prisma db push. Optional: set SKIP_RUNTIME_CATALOG_SEED=1 to skip heavy catalog seed while debugging.