curl --request POST \
  --url https://sandbox.api.app.firstsales.io/api/v1/organizations/{orgId}/workspaces/{wsId}/emails \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'Idempotency-Key: <idempotency-key>' \
  --data '
{
  "connectorId": "<string>",
  "subject": "<string>",
  "body": "<string>",
  "cc": [],
  "bcc": [],
  "attachmentIds": [],
  "mode": "send",
  "acknowledgedWarnings": [],
  "to": "<string>",
  "allowDuringSequence": true,
  "stopSequence": true,
  "scheduledAt": "2023-11-07T05:31:56Z",
  "lastSeenAt": "2023-11-07T05:31:56Z",
  "listId": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {
    'Idempotency-Key': '<idempotency-key>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    connectorId: '<string>',
    subject: '<string>',
    body: JSON.stringify('<string>'),
    cc: [],
    bcc: [],
    attachmentIds: [],
    mode: 'send',
    acknowledgedWarnings: [],
    to: '<string>',
    allowDuringSequence: true,
    stopSequence: true,
    scheduledAt: '2023-11-07T05:31:56Z',
    lastSeenAt: '2023-11-07T05:31:56Z',
    listId: '<string>'
  })
};

fetch('https://sandbox.api.app.firstsales.io/api/v1/organizations/{orgId}/workspaces/{wsId}/emails', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

{
  "email": {
    "id": "<string>",
    "contactId": "<string>",
    "status": "draft",
    "cc": [
      "<string>"
    ],
    "bcc": [
      "<string>"
    ],
    "cancelledReason": "<string>",
    "scheduledAt": "2023-11-07T05:31:56Z",
    "subject": "<string>",
    "recipientEmail": "<string>",
    "createdAt": "2023-11-07T05:31:56Z"
  },
  "contact": {
    "id": "<string>",
    "created": true,
    "addedToList": true
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "requestId": "<string>",
    "details": {}
  }
}