curl --request PATCH \
  --url https://api.prequel.co/recipient-source-credentials/{recipient_source_credential_id} \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "recipient_source_credential": {
    "recipient_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "source_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "username": "<string>",
    "password": "<string>"
  }
}
'

{
  "status": "<string>",
  "data": {
    "recipient_source_credential": {
      "id": "<string>",
      "recipient_id": "<string>",
      "source_id": "<string>",
      "username": "<string>",
      "created_at": "2023-11-07T05:31:56Z",
      "updated_at": "2023-11-07T05:31:56Z"
    }
  },
  "message": "<string>"
}