Investigating HTTP Protocol with Postman

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Troubleshooting HTTP APIs is a useful skill to have in your IOT toolkit, especially with REST web services.

A great tool to use is Postman. To use it, you need the Google Chrome web browser. You then locate Postman on the Google Web Store here.

Once installed, type chrome://apps in the address bar, then click on Postman.

Postman 404

Postman 200

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