post https://platform.nector.io/api/v2/merchant/creditwallettransactions
Create credit wallet transaction on behalf of the user. This is secondary wallet which should be used for giftcards, return etc. The default mapping is 1 credit = $1. This API can be called only with full access api key, make sure to call this API only from your backend using full access api key. DO NOT EXPOSE FULL ACCESS API KEY