curl --request POST \
  --url https://{cluster}.voucherify.io/v1/loyalties/members/{memberId}/pending-points/{pendingPointsId}/balance \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-App-Id: <api-key>' \
  --header 'X-App-Token: <api-key>' \
  --data '{
  "points": 10
}'

{
  "points": 5,
  "total": 16,
  "object": "balance",
  "related_object": {
    "type": "voucher",
    "id": "v_abCdEfghI1JKLMNPqRS2Tu3vWXyza4bc"
  },
  "operation_type": "MANUAL"
}