curl --request PATCH \
  --url https://api.enterprise.sandbox.uphold.com/core/kyc/processes/phone \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
  "input": {
    "phone": "+447400123456",
    "country": "GB"
  },
  "output": {
    "verifiedAt": "2020-01-01T00:00:00Z"
  }
}'

{
  "phone": {
    "status": "ok",
    "input": {
      "phone": "+447400123456",
      "country": "GB"
    },
    "output": {
      "verifiedAt": "2020-01-01T00:00:00Z"
    }
  }
}