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delphiAx / Zoom API / Get IM chat messages

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var
http: TChilkatHttp;
success: Integer;
queryParams: TChilkatJsonObject;
resp: IChilkatHttpResponse;
sbResponseBody: TChilkatStringBuilder;
jResp: TChilkatJsonObject;
respStatusCode: Integer;
date_time: TDtObj;
message: WideString;
sender: WideString;
action: WideString;
action_time: WideString;
session_id: WideString;
from: WideString;
v_to: WideString;
page_size: WideString;
next_page_token: WideString;
i: Integer;
count_i: Integer;

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

http := TChilkatHttp.Create(Self);

queryParams := TChilkatJsonObject.Create(Self);
queryParams.UpdateString('from','1989-05-07');
queryParams.UpdateString('to','1989-05-07');
queryParams.UpdateInt('page_size',30);
queryParams.UpdateString('next_page_token','quis officia in reprehenderit');

// Adds the "Authorization: Bearer <access_token>" header.
http.AuthToken := '<access_token>';

resp := http.QuickRequestParams('GET','https://api.zoom.us/v2/im/chat/sessions/:sessionId',queryParams.ControlInterface);
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

sbResponseBody := TChilkatStringBuilder.Create(Self);
resp.GetBodySb(sbResponseBody.ControlInterface);

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);
jResp.EmitCompact := 0;

Memo1.Lines.Add('Response Body:');
Memo1.Lines.Add(jResp.Emit());

respStatusCode := resp.StatusCode;
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(resp.Header);
    Memo1.Lines.Add('Failed.');

    Exit;
  end;

// Sample JSON response:
// (Sample code for parsing the JSON response is shown below)

// {
//   "session_id": "string",
//   "from": "string [date]",
//   "to": "string [date]",
//   "page_size": "integer",
//   "next_page_token": "string",
//   "messages": [
//     {
//       "message": "string",
//       "sender": "string",
//       "date_time": "string [date-time]",
//       "action": "string",
//       "action_time": "string [date-time]"
//     }
//   ]
// }

// Sample code for parsing the JSON response...
// Use this online tool to generate parsing code from sample JSON: Generate JSON Parsing Code

date_time := TDtObj.Create(Self);

session_id := jResp.StringOf('session_id');
from := jResp.StringOf('from');
v_to := jResp.StringOf('to');
page_size := jResp.StringOf('page_size');
next_page_token := jResp.StringOf('next_page_token');
i := 0;
count_i := jResp.SizeOfArray('messages');
while i < count_i do
  begin
    jResp.I := i;
    message := jResp.StringOf('messages[i].message');
    sender := jResp.StringOf('messages[i].sender');
    jResp.DtOf('messages[i].date_time',0,date_time.ControlInterface);
    action := jResp.StringOf('messages[i].action');
    action_time := jResp.StringOf('messages[i].action_time');
    i := i + 1;
  end;

Curl Command

curl -G -d "from=1989-05-07"
	-d "to=1989-05-07"
	-d "page_size=30"
	-d "next_page_token=quis%20officia%20in%20reprehenderit"
	-H "Authorization: Bearer <access_token>"
https://api.zoom.us/v2/im/chat/sessions/:sessionId

Postman Collection Item JSON

{
  "name": "Get IM chat messages",
  "request": {
    "method": "GET",
    "header": [
    ],
    "url": {
      "raw": "{{baseUrl}}/im/chat/sessions/:sessionId?from=1989-05-07&to=1989-05-07&page_size=30&next_page_token=quis officia in reprehenderit",
      "host": [
        "{{baseUrl}}"
      ],
      "path": [
        "im",
        "chat",
        "sessions",
        ":sessionId"
      ],
      "query": [
        {
          "key": "from",
          "value": "1989-05-07",
          "description": "(Required) Start date in 'yyyy-mm-dd' format. The date range defined by the \"from\" and \"to\" parameters should only be one month as the report includes only one month worth of data at once."
        },
        {
          "key": "to",
          "value": "1989-05-07",
          "description": "(Required) End date."
        },
        {
          "key": "page_size",
          "value": "30",
          "description": "The number of records returned within a single API call."
        },
        {
          "key": "next_page_token",
          "value": "quis officia in reprehenderit",
          "description": "The next page token is used to paginate through large result sets. A next page token will be returned whenever the set of available results exceeds the current page size. The expiration period for this token is 15 minutes."
        }
      ],
      "variable": [
        {
          "key": "sessionId",
          "value": "quis officia in reprehenderit",
          "description": "(Required) Chat session ID."
        }
      ]
    },
    "description": "Retrieve IM chat messages for a specified period of time. This API only supports oauth2.<br>\n\n**Scopes:** `imchat:read`<br>\n\n **[Rate Limit Label](https://marketplace.zoom.us/docs/api-reference/rate-limits#rate-limits):** `Medium`<br>\n \n <br>\n \n <p style=\"background-color:#e1f5fe; color:#000000; padding:8px\"><b>Deprecated:</b> By end of 2021, Zoom is deprecating this API in favor of a consolidated set of APIs. The API will still be available for you to use, though Zoom will no longer provide support for it. For further information, see <a href=\"https://marketplace.zoom.us/docs/guides/stay-up-to-date/announcements#im-api-notice\">Announcements: IM APIs Deprecation</a>.</p>\n\n\n"
  },
  "response": [
    {
      "name": "**HTTP Status Code:** `200` <br>\nArchived IM chat messages returned.",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "description": "Added as a part of security scheme: oauth2",
            "key": "Authorization",
            "value": "<token>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/im/chat/sessions/:sessionId?from=1989-05-07&to=1989-05-07&page_size=30&next_page_token=quis officia in reprehenderit",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "im",
            "chat",
            "sessions",
            ":sessionId"
          ],
          "query": [
            {
              "key": "from",
              "value": "1989-05-07"
            },
            {
              "key": "to",
              "value": "1989-05-07"
            },
            {
              "key": "page_size",
              "value": "30"
            },
            {
              "key": "next_page_token",
              "value": "quis officia in reprehenderit"
            }
          ],
          "variable": [
            {
              "key": "sessionId",
              "value": "quis officia in reprehenderit",
              "description": "(Required) Chat session ID."
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n \"session_id\": \"string\",\n \"from\": \"string [date]\",\n \"to\": \"string [date]\",\n \"page_size\": \"integer\",\n \"next_page_token\": \"string\",\n \"messages\": [\n  {\n   \"message\": \"string\",\n   \"sender\": \"string\",\n   \"date_time\": \"string [date-time]\",\n   \"action\": \"string\",\n   \"action_time\": \"string [date-time]\"\n  }\n ]\n}"
    },
    {
      "name": "**Error Code:**`300` <br>\nThe next page token is either invalid or has expired.<br>\nReport requested exceeds 6 month limit.",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "description": "Added as a part of security scheme: oauth2",
            "key": "Authorization",
            "value": "<token>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/im/chat/sessions/:sessionId?from=1989-05-07&to=1989-05-07&page_size=30&next_page_token=quis officia in reprehenderit",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "im",
            "chat",
            "sessions",
            ":sessionId"
          ],
          "query": [
            {
              "key": "from",
              "value": "1989-05-07"
            },
            {
              "key": "to",
              "value": "1989-05-07"
            },
            {
              "key": "page_size",
              "value": "30"
            },
            {
              "key": "next_page_token",
              "value": "quis officia in reprehenderit"
            }
          ],
          "variable": [
            {
              "key": "sessionId",
              "value": "quis officia in reprehenderit",
              "description": "(Required) Chat session ID."
            }
          ]
        }
      },
      "status": "Multiple Choices",
      "code": 300,
      "_postman_previewlanguage": "text",
      "header": [
        {
          "key": "Content-Type",
          "value": "text/plain"
        }
      ],
      "cookie": [
      ],
      "body": ""
    }
  ]
}