Upsert Account

curl --request POST \
  --url https://api.openint.dev/v0/unified/sales-engagement/account/_upsert \
  --header 'Content-Type: application/json' \
  --header 'x-apikey: <api-key>' \
  --header 'x-connection-id: <api-key>' \
  --data '{
  "record": {
    "name": "My Company",
    "domain": "mycompany.com",
    "owner_id": "9f3e97fd-4d5d-4efc-959d-bbebfac079f5",
    "account_id": "ae4be028-9078-4850-a0bf-d2112b7c4d11",
    "custom_fields": {}
  },
  "upsert_on": {
    "name": "<string>",
    "domain": "<string>"
  }
}'

{
  "record": {
    "id": "<string>"
  }
}