curl --location --request POST '/api/v1/fiat-rates/update-ngn' \
--header 'X-API-Key: <api-key>' \
--header 'X-Business-ID: <api-key>'{
"success": true,
"data": {
"currency": "string",
"rate": 0,
"source": "string",
"timestamp": "string"
}
}