Upsert a task
POST
/api/v2/tasks/upsertCreate or update by external keyPUT
/api/v2/tasks/upsertCreate or update by external keyProvide externalKey, omit id, and identify the project by ID, name or external key as supported.
curl -X POST \
-H 'Content-Type: application/json' \
-H 'Authorization: bearer YourTokenHere' \
-d '{
"externalKey": "ERP-T-9876",
"name": "Design review",
"project": "ERP-P-1001"
}' \
'https://app.celoxis.com/psa/api/v2/tasks/upsert'