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POST
/
v1
/
ramp
/
{subaccountId}
/
banking
/
conversions
Convert Currency
curl --request POST \
  --url https://api.bullring.finance/v1/ramp/{subaccountId}/banking/conversions \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "fromCurrency": "USD",
  "toCurrency": "NGN",
  "amount": 17
}
'
{
  "id": "dba54d80-73fc-45aa-adbe-c9c75b7f9c9a",
  "createdAt": "2026-01-05T00:39:12.624Z",
  "from": {
    "currency": "USD",
    "amount": 17
  },
  "to": {
    "currency": "BRL",
    "grossAmount": 92.184761,
    "netAmount": 91.904761
  },
  "feeAmount": 0.28,
  "feeCurrency": "BRL",
  "rate": 5.422633
}

Authorizations

​
x-api-key
string
header
required

Path Parameters

​
subaccountId
string<uuid>
required

The unique identifier of the subaccount

Body

application/json
​
fromCurrency
string
required
Example:

"USD"

​
toCurrency
string
required
Example:

"NGN"

​
amount
number
required
Example:

17

Response

200 - application/json

Successful conversion

​
id
string<uuid>
Example:

"dba54d80-73fc-45aa-adbe-c9c75b7f9c9a"

​
createdAt
string<date-time>
Example:

"2026-01-05T00:39:12.624Z"

​
from
object
​
to
object
​
feeAmount
number
Example:

0.28

​
feeCurrency
string
Example:

"BRL"

​
rate
number
Example:

5.422633