Parameter	Mandatory	Description	Examples	More Info
API	Yes	The API area	checklistheader.json
General	Yes	Parameters described in overview	user=user&password=user	Structure of an API call
Model Structure	Yes	Name of model required	modelstructure=checklistheaderslist	Using data models
View	No	Stored filter applied		Using views
Sort	No	Change the view's default sort order	sort=CLIENT	Sorting
Filters	No	Filter by a key field		Filters
Company	Yes	The company number	company=1
Identifier	No	Attachment ID or UUID	activityid=7078

Example request:

http://<SERVER>/jsonAPI/checklistheader.json?user=user&password=user&version=4&company=1&style=modeldata&modelstructure=checklistheaderslist&activityid=7078

Example response:

{
  "responsecode": 1,
  "responsestatus": "OK",
  "errorcode": 0,
  "errormessage": "",
  "totalrows": 33
}

{
  "responsecode": 1,
  "responsestatus": "OK",
  "errorcode": 0,
  "errormessage": "",
  "totalrows": 33,
  "totalpages": 1,
  "responsemessage": "",
  "pagerows": 0,
  "pagenumber": 1,
  "success": true,
  "data": [
    {
      "checklistUuid": "FA1F7D646AA4604EA2837CCBBC9DEA62",
      "checklistTimestampModified": 1552475175,
      "checklistRecordVersionNumber": 0,
      "checklistTitle": "My Checklist 1",
      "checklistActivityID": 5964,
      "checklistOrder": 1,
      "checklistHideCompletedItems": false,
      "checklistCreatedDate": "2019-03-13",
      "checklistCreatedDateUTC": "2019-03-13",
      "checklistCreatedTime": "11:06:15",
      "checklistCreatedTimeUTC": "11:06:15",
      "checklistCreatedTimezone": "UTCA",
      "checklistCreatedUserID": 3,
      "checklistCreatedBy": "SYN_Jon",
      "checklistModifiedBy": "SYN_Jon",
      "checklistModifiedDate": "2019-03-13",
      "checklistModifiedTime": "11:06:15",
      "checklistModifiedTimezone": "UTCA",
      "checklistModifiedDateUTC": "2019-03-13",
      "checklistModifiedTimeUTC": "11:06:15",
      "checklistModifiedUserID": 3
    },
    {
      "checklistUuid": "6DAF95A26E921C44A03033B50B5D9891",
      "checklistTimestampModified": 1539600889,
      "checklistRecordVersionNumber": 4,
      "checklistTitle": "My Checklist 1z",
      "checklistActivityID": 7078,
      "checklistOrder": 1,
      "checklistHideCompletedItems": false,
      "checklistCreatedDate": "2018-10-12",
      "checklistCreatedDateUTC": "2018-10-12",
      "checklistCreatedTime": "15:21:07",
      "checklistCreatedTimeUTC": "14:21:07",
      "checklistCreatedTimezone": "UTCA",
      "checklistCreatedUserID": 0,
      "checklistCreatedBy": "",
      "checklistModifiedBy": "",
      "checklistModifiedDate": "2018-10-15",
      "checklistModifiedTime": "11:54:49",
      "checklistModifiedTimezone": "UTCA",
      "checklistModifiedDateUTC": "2018-10-15",
      "checklistModifiedTimeUTC": "10:54:49",
      "checklistModifiedUserID": 0
    }
  ]
}