Chilkat Online Tools

VB.NET / Cognite API v1 / Retrieve data points

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' This example assumes the Chilkat API to have been previously unlocked.
' See Global Unlock Sample for sample code.

Dim http As New Chilkat.Http
Dim success As Boolean

' Use this online tool to generate code from sample JSON: Generate Code to Create JSON

' The following JSON is sent in the request body.

' {
'   "items": [
'     {
'       "externalId": "ut culpa Excepteur",
'       "start": 0,
'       "end": -12222847,
'       "limit": 43358925,
'       "aggregates": [
'         "interpolation",
'         "max"
'       ],
'       "granularity": "a",
'       "includeOutsidePoints": false
'     },
'     {
'       "externalId": "aliquip",
'       "start": 0,
'       "end": -6309638,
'       "limit": 57543521,
'       "aggregates": [
'         "max",
'         "min"
'       ],
'       "granularity": "",
'       "includeOutsidePoints": false
'     }
'   ],
'   "start": "velit",
'   "end": 50328109,
'   "limit": 100,
'   "aggregates": [
'     "count",
'     "max"
'   ],
'   "granularity": "mollit dolore",
'   "includeOutsidePoints": false,
'   "ignoreUnknownIds": false
' }

Dim json As New Chilkat.JsonObject
json.UpdateString("items[0].externalId","ut culpa Excepteur")
json.UpdateInt("items[0].start",0)
json.UpdateInt("items[0].end",-12222847)
json.UpdateInt("items[0].limit",43358925)
json.UpdateString("items[0].aggregates[0]","interpolation")
json.UpdateString("items[0].aggregates[1]","max")
json.UpdateString("items[0].granularity","a")
json.UpdateBool("items[0].includeOutsidePoints",False)
json.UpdateString("items[1].externalId","aliquip")
json.UpdateInt("items[1].start",0)
json.UpdateInt("items[1].end",-6309638)
json.UpdateInt("items[1].limit",57543521)
json.UpdateString("items[1].aggregates[0]","max")
json.UpdateString("items[1].aggregates[1]","min")
json.UpdateString("items[1].granularity","")
json.UpdateBool("items[1].includeOutsidePoints",False)
json.UpdateString("start","velit")
json.UpdateInt("end",50328109)
json.UpdateInt("limit",100)
json.UpdateString("aggregates[0]","count")
json.UpdateString("aggregates[1]","max")
json.UpdateString("granularity","mollit dolore")
json.UpdateBool("includeOutsidePoints",False)
json.UpdateBool("ignoreUnknownIds",False)

http.SetRequestHeader("content-type","application/json")
http.SetRequestHeader("api-key","{{api-key}}")

Dim resp As Chilkat.HttpResponse = http.PostJson3("https://domain.com/api/v1/projects/{{project}}/timeseries/data/list","application/json",json)
If (http.LastMethodSuccess = False) Then
    Debug.WriteLine(http.LastErrorText)
    Exit Sub
End If


Debug.WriteLine(resp.StatusCode)
Debug.WriteLine(resp.BodyStr)

Curl Command

curl -X POST
	-H "api-key: {{api-key}}"
	-H "content-type: application/json"
	-d '{
    "items": [
        {
            "externalId": "ut culpa Excepteur",
            "start": 0,
            "end": -12222847,
            "limit": 43358925,
            "aggregates": [
                "interpolation",
                "max"
            ],
            "granularity": "a",
            "includeOutsidePoints": false
        },
        {
            "externalId": "aliquip",
            "start": 0,
            "end": -6309638,
            "limit": 57543521,
            "aggregates": [
                "max",
                "min"
            ],
            "granularity": "",
            "includeOutsidePoints": false
        }
    ],
    "start": "velit",
    "end": 50328109,
    "limit": 100,
    "aggregates": [
        "count",
        "max"
    ],
    "granularity": "mollit dolore",
    "includeOutsidePoints": false,
    "ignoreUnknownIds": false
}'
https://domain.com/api/v1/projects/{{project}}/timeseries/data/list

Postman Collection Item JSON

{
  "id": "getMultiTimeSeriesDatapoints",
  "name": "Retrieve data points",
  "request": {
    "url": {
      "host": "{{baseUrl}}",
      "path": [
        "api",
        "v1",
        "projects",
        "{{project}}",
        "timeseries",
        "data",
        "list"
      ],
      "query": [
      ],
      "variable": [
      ]
    },
    "method": "POST",
    "header": [
      {
        "key": "api-key",
        "value": "{{api-key}}",
        "description": "An admin can create API keys in the Cognite console."
      },
      {
        "key": "content-type",
        "value": "application/json"
      }
    ],
    "description": "Retrieves a list of data points from multiple time series in a project. This operation supports aggregation, but not pagination. A detailed description of how aggregates work can be found at [our concept guide for aggregation](<https://docs.cognite.com/dev/concepts/aggregation/>).",
    "body": {
      "mode": "raw",
      "raw": "{\n    \"items\": [\n        {\n            \"externalId\": \"ut culpa Excepteur\",\n            \"start\": 0,\n            \"end\": -12222847,\n            \"limit\": 43358925,\n            \"aggregates\": [\n                \"interpolation\",\n                \"max\"\n            ],\n            \"granularity\": \"a\",\n            \"includeOutsidePoints\": false\n        },\n        {\n            \"externalId\": \"aliquip\",\n            \"start\": 0,\n            \"end\": -6309638,\n            \"limit\": 57543521,\n            \"aggregates\": [\n                \"max\",\n                \"min\"\n            ],\n            \"granularity\": \"\",\n            \"includeOutsidePoints\": false\n        }\n    ],\n    \"start\": \"velit\",\n    \"end\": 50328109,\n    \"limit\": 100,\n    \"aggregates\": [\n        \"count\",\n        \"max\"\n    ],\n    \"granularity\": \"mollit dolore\",\n    \"includeOutsidePoints\": false,\n    \"ignoreUnknownIds\": false\n}"
    }
  }
}