How to use API?

Is there a website where this scheme: there is a link which is constantly changing, the website provides a partner to her API
api_token for relevance.
The site has an individual item number id_site that matches the item number passed via API id_api.
On the corresponding page should display the appropriate link. Need to get the link link_api which is transmitted via API.
To whom not difficult write as it will look, just can't imagine what it is.
April 3rd 20 at 17:36
2 answers
April 3rd 20 at 17:38
To get started please read the documentation, find an example of a query.
After that you can play using Postman or any equivalent.
There are different services for training of work with the API, for example
As with NIMA to work in postman, look here
April 3rd 20 at 17:40
Well, ask for documentation to API.
This is usually a request to the API with the data transfer request, the same token and the ID of something in the opposite direction API returns data or an error

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