Quickbooks Online API - Refresh Token

Need help APIs
4

Thanks for this, very helpful. I tried and am still getting a 400 error.

Here are some images from postman where I’m trying to configure it the same way:

Image 2020-05-07 at 3.30.13 PM
Image 2020-05-07 at 3.30.13 PM2250×590 60.8 KB
Image 2020-05-07 at 3.30.04 PM
Image 2020-05-07 at 3.30.04 PM2247×857 92.3 KB
Image 2020-05-07 at 3.29.58 PM
Image 2020-05-07 at 3.29.58 PM2253×671 75.4 KB
Image 2020-05-07 at 3.29.50 PM
Image 2020-05-07 at 3.29.50 PM2246×556 65.5 KB

Thanks for your help! Much appreciated.