post
https://api.cloud.mbanq.com/graphql (FX Trade - Execute FX Buy/Sell)
Note: All the Multi-Currency API's have the endpoint:
/graphql
Executes the currency exchange (Buy or Sell) between the account's base currency and a supported foreign currency.
Business Rules:
- Buy Currency: The base currency sub-account is debited (including fees), and the target foreign sub-account is credited.
- Sell Currency: The foreign sub-account is debited, and the base currency sub-account is credited.
- Charges are applied exclusively to BUY operations.
- If a rate was previously locked, provide the
fxLockIdto ensure the locked rate is used.
