Update my items fileds throgh API

I need to devloper a post and get APIs to post and update my items fileds , How ?

Hi there, this is a very vague post and doesn’t really explain in detail what you’re trying to achieve.

Can you please expand more?

Hello sir,

Hello sir, I have Field in my product it’s (delivery date), and I have other programs (desktop apps) , So i need to update my products (delivery date) through your API
I have Admin API has authos and is insttall , I can connect from my form , and use Updates a product like

Now, I need my producrt Ids to test function

product.id