How to convert via the Coinbase API

Question

Within the Coinbase app one can convert digital currencies (see the image below).

But does one convert via the Coinbase or Coinbase Pro API?

Answer 1

Watching API from coinbase webapp i see what endpoint you need to call:

1. Have to know base_id of crypto that you want to sell and base_id of crypto want to buy. You can know it by call GET "https://api.coinbase.com/v2/ /assets/prices?base=USD&filter=holdable&resolution=latest" and get from response the "base_id" of your currencies.

2. Make an order by calling POST "https://api.coinbase.com/v2/trade" with a request body in json like this:

   { 'amount': [amount that you want to convert], 'amount_asset': [currency of amount that you want to convert], 'amount_from': 'input', 'source_asset': ["base_id" of crypto that you want to sell], 'target_asset': ["base_id" of crypto that you want to buy] }

3. If previous POST "/trade" response code is 201, you have to get the "id" value of response's json and do a commit of your order by calling POST "https://api.coinbase.com/v2/trades/[id of json response of previous https://api.coinbase.com/v2/trade POST"]/commit". If the response code of this POST commit is 201, your exchange is started and if there are not error in coinbase, your conversion is done!