curl --request POST \
  --url https://connect.penbox.io/v1/cases/{id}/tasks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "title": "Call the client back",
    "description": "The client asked for a callback before Friday.",
    "due_at": "2026-09-04T00:00:00.000Z",
    "assignee": { "email": "amina@firm.example" }
  }'

curl --request POST \
  --url https://connect.penbox.io/v1/cases/{id}/tasks \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{ "title": "Check the policy number" }'

{
  "id": "2c7e2ddd-ece1-4c38-9c2d-47aaaf50be97",
  "created_at": "2026-08-31T10:12:04.100Z",
  "case": { "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6" },
  "type": "manual",
  "title": "Call the client back",
  "description": "The client asked for a callback before Friday.",
  "status": "open",
  "due_at": "2026-09-04T00:00:00.000Z",
  "completed_at": null,
  "step_key": null,
  "assignee": {
    "kind": "member",
    "id": "5f7e2c17-e9be-47c9-8049-0b35d8eb0ada",
    "email": "amina@firm.example",
    "given_name": "Amina",
    "family_name": "Berger"
  }
}

{
  "statusCode": 400,
  "error": "Bad Request",
  "message": "Assignee with email \"nobody@firm.example\" not found in workspace"
}