can I post json string only (without “name=”) using form?

Question

I am trying to post json data to an URL which I have no control. The API document says only json data is accepted. I am thinking whether I can use html form to make it easier.

Answer 1

No. The work to allow JSON formatted data to be directly generated from a form has been discontinued.

To make the request you will need to use either:

• XMLHttpRequest to the API (which requires that permission, including support for a preflight, is granted by the API)
• XMLHttpRequest to a proxy
• Server side code

Any of these could use an HTML form to collect the data before using it to generate the request to the third party API.