curl --request POST \
  --url https://api.revolv3.com/api/onboarding/processors/paymentlync \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json-patch+json' \
  --data '{
  "processorFields": {
    "apiKey": "bXlfYXBpX2tleQo=",
    "transactionDescriptor": "Transaction Descriptor",
    "merchantPhone": null
  },
  "currencies": [
    "USD"
  ],
  "merchantId": 1
}'

{
  "objectType": "processorConfig",
  "merchantProcessorId": 1,
  "processorId": 10,
  "processorName": "PaymentLync",
  "merchantId": 1,
  "processorFields": {
    "apiKey": "bXlfYXBpX2tleQo=",
    "transactionDescriptor": null,
    "useDynamicDescriptor": false,
    "payFacPrefix": null,
    "merchantPhone": null
  },
  "currencies": [
    "USD"
  ]
}