curl --request PATCH \
  --url https://www.presolve.com/api/v1/calendar-items/{itemId} \
  --header 'Content-Type: application/json' \
  --header 'X-Idempotency-Key: <x-idempotency-key>' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "scope": "series",
  "occurrenceDate": "<string>",
  "caseId": "<string>",
  "title": "<string>",
  "description": "<string>",
  "startAt": "<string>",
  "endAt": "<string>",
  "isAllDay": true,
  "involvesPlaintiff": true,
  "assigneeIds": [
    "<string>"
  ],
  "followerIds": [
    "<string>"
  ],
  "recurrence": {
    "interval": 1,
    "byWeekday": [],
    "byMonthDay": 16,
    "count": 500,
    "until": "<string>"
  }
}
'

const options = {
  method: 'PATCH',
  headers: {
    'X-Idempotency-Key': '<x-idempotency-key>',
    'x-api-key': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    scope: 'series',
    occurrenceDate: '<string>',
    caseId: '<string>',
    title: '<string>',
    description: '<string>',
    startAt: '<string>',
    endAt: '<string>',
    isAllDay: true,
    involvesPlaintiff: true,
    assigneeIds: ['<string>'],
    followerIds: ['<string>'],
    recurrence: {interval: 1, byWeekday: [], byMonthDay: 16, count: 500, until: '<string>'}
  })
};

fetch('https://www.presolve.com/api/v1/calendar-items/{itemId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://www.presolve.com/api/v1/calendar-items/{itemId}"

payload = {
    "scope": "series",
    "occurrenceDate": "<string>",
    "caseId": "<string>",
    "title": "<string>",
    "description": "<string>",
    "startAt": "<string>",
    "endAt": "<string>",
    "isAllDay": True,
    "involvesPlaintiff": True,
    "assigneeIds": ["<string>"],
    "followerIds": ["<string>"],
    "recurrence": {
        "interval": 1,
        "byWeekday": [],
        "byMonthDay": 16,
        "count": 500,
        "until": "<string>"
    }
}
headers = {
    "X-Idempotency-Key": "<x-idempotency-key>",
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

{
  "success": true
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>"
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>"
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>"
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>"
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>"
}

{
  "success": false,
  "error": "<string>",
  "code": "<string>"
}