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delphiDll / Zoom API / Join a channel

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var
http: HCkHttp;
success: Boolean;
resp: HCkHttpResponse;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
id: PWideChar;
added_at: PWideChar;

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

http := CkHttp_Create();

// Adds the "Authorization: Bearer <access_token>" header.
CkHttp_putAuthToken(http,'<access_token>');

resp := CkHttp_QuickRequest(http,'POST','https://api.zoom.us/v2/chat/channels/:channelId/members/me');
if (CkHttp_getLastMethodSuccess(http) = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

sbResponseBody := CkStringBuilder_Create();
CkHttpResponse_GetBodySb(resp,sbResponseBody);

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);
CkJsonObject_putEmitCompact(jResp,False);

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

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

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

// {
//   "id": "lbborum-12fiasf-abaa",
//   "added_at": "2018-12-11T15:06:32.633Z"
// }

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

id := CkJsonObject__stringOf(jResp,'id');
added_at := CkJsonObject__stringOf(jResp,'added_at');

CkHttp_Dispose(http);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);

Curl Command

curl -X POST
	-H "Authorization: Bearer <access_token>"
https://api.zoom.us/v2/chat/channels/:channelId/members/me

Postman Collection Item JSON

{
  "name": "Join a channel",
  "request": {
    "auth": {
      "type": "oauth2"
    },
    "method": "POST",
    "header": [
    ],
    "url": {
      "raw": "{{baseUrl}}/chat/channels/:channelId/members/me",
      "host": [
        "{{baseUrl}}"
      ],
      "path": [
        "chat",
        "channels",
        ":channelId",
        "members",
        "me"
      ],
      "variable": [
        {
          "key": "channelId",
          "value": "quis officia in reprehenderit",
          "description": "(Required) Channel Id."
        }
      ]
    },
    "description": "A [channel](https://support.zoom.us/hc/en-us/articles/200912909-Getting-Started-With-Channels-Group-Messaging-) can have one or multiple members. Use this API to join a channel that is open for anyone in the same organization to join. You cannot use this API to join private channels that only allows invited members to be a part of it.\n\n<p style=\"background-color:#e1f5fe; color:#01579b; padding:8px\"> <b>Note: </b>This API only supports <b>user-managed</b> <a href=\"https://marketplace.zoom.us/docs/guides/getting-started/app-types/create-oauth-app\">OAuth app</a>.</p><br>\n\n**Scope:** `chat_channel:write`<br>\n**[Rate Limit Label](https://marketplace.zoom.us/docs/api-reference/rate-limits#rate-limits):** `Medium`"
  },
  "response": [
    {
      "name": "**HTTP Status Code:** `201`\nSuccessfully joined the channel.",
      "originalRequest": {
        "method": "POST",
        "header": [
          {
            "description": "Added as a part of security scheme: oauth2",
            "key": "Authorization",
            "value": "<token>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/chat/channels/:channelId/members/me",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "chat",
            "channels",
            ":channelId",
            "members",
            "me"
          ],
          "variable": [
            {
              "key": "channelId",
              "value": "quis officia in reprehenderit",
              "description": "(Required) Channel Id."
            }
          ]
        }
      },
      "status": "Created",
      "code": 201,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n \"id\": \"lbborum-12fiasf-abaa\",\n \"added_at\": \"2018-12-11T15:06:32.633Z\"\n}"
    },
    {
      "name": "**HTTP Status Code:** `400`<br> Bad request.<br>\n**Error Code:** `5301`<br> Request to join the channel failed.",
      "originalRequest": {
        "method": "POST",
        "header": [
          {
            "description": "Added as a part of security scheme: oauth2",
            "key": "Authorization",
            "value": "<token>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/chat/channels/:channelId/members/me",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "chat",
            "channels",
            ":channelId",
            "members",
            "me"
          ],
          "variable": [
            {
              "key": "channelId",
              "value": "quis officia in reprehenderit",
              "description": "(Required) Channel Id."
            }
          ]
        }
      },
      "status": "Bad Request",
      "code": 400,
      "_postman_previewlanguage": "text",
      "header": [
        {
          "key": "Content-Type",
          "value": "text/plain"
        }
      ],
      "cookie": [
      ],
      "body": ""
    }
  ]
}