Vibe Coding in Lovable to Production Ready with Postman Agent Mode

Vibe coding tools like Lovable make it easy to spin up full-stack applications quickly, generating UIs, endpoints, and documentation from simple prompts. But when it comes time to validate APIs, run tests, generate specs, and ship something production-ready, gaps start to appear.

In this video, Lovable is used to generate a full-stack e-commerce CRUD app with product and order endpoints. While the UI and structure are created quickly, the generated documentation and tests aren’t connected to a live, executable API and require manual work to validate. The backend also can’t run a real Flask/Python service directly.

Postman Agent Mode is then used to bridge that gap. By generating a real OpenAPI spec from live requests, keeping collections, tests, and specs in sync, and auto-generating a full CRUD application wired to the API, Postman turns a vibe-coded prototype into a production-ready system. The result is a workflow where APIs are testable, executable, and connected end-to-end—without manual glue code.

This video breaks down where vibe coding excels, where it falls short, and how Postman Agent Mode helps close the gap between prototype and production.

🔗 Resources:
- Sign up for Agent Mode: https://www.postman.com/product/agent-mode/?utm_campaign=global_growth_user_fy26q4_ytbftrad&utm_medium=social_sharing&utm_source=youtube&utm_content=25192-L
- Read the docs: https://learning.postman.com/docs/agent-mode/overview/?utm_campaign=global_growth_user_fy26q4_ytbftrad&utm_medium=social_sharing&utm_source=youtube&utm_content=25192-L

📌 Timestamps
0:00 - Building a full-stack app with Lovable (vibe coding)
0:19 - Flask backend limitations in Lovable
0:39 - Auto-generated CRUD endpoints and database
1:18 - Generating documentation and tests in Lovable
1:48 - Why the docs and tests aren’t executable
2:11 - Generating an OpenAPI spec in Postman
2:37 - Tests, specs, and collections in one place
2:49 - Generating a real CRUD app with Postman Agent Mode
3:14 - Running the app and creating products
3:51 - Comparing Lovable vs Postman for production readiness

Видео Vibe Coding in Lovable to Production Ready with Postman Agent Mode канала Postman