He didn't need to rewrite the code and redeploy the whole architecture to test the fix. That would take hours. He just needed to prove it worked first.
The summary screen appeared: 100% Success Rate. Average response time: 120ms. postman desktop
Elias took a deep breath. He wasn't using a browser. Browsers lie; they hide the messy details of how data travels. He needed to talk directly to the machine. He double-clicked the icon on his desktop: a compass, stylized and orange, resting on a sleek black background. He didn't need to rewrite the code and
He went back to the Postman interface. He unchecked the auto-generated Content-Type header and manually typed in application/json . He switched to the "Body" tab, selected "Raw," and pasted in the JSON payload. The summary screen appeared: 100% Success Rate
But then he saw it. A tiny discrepancy in the Request Headers. The Content-Type was set to multipart/form-data , but the server expected application/json .