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var
http: HCkHttp;
success: Boolean;
sbResponseBody: HCkStringBuilder;
jResp: HCkJsonObject;
respStatusCode: Integer;
id: PWideChar;
Id: PWideChar;
Name: PWideChar;
Category: PWideChar;
v_Currency: PWideChar;
collected_at: PWideChar;
value_date: PWideChar;
balance: PWideChar;
current_balance: PWideChar;
statement: PWideChar;
count: PWideChar;
v_next: PWideChar;
previous: PWideChar;
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 := CkHttp_Create();

CkHttp_putBasicAuth(http,True);
CkHttp_putLogin(http,'{{secretId}}');
CkHttp_putPassword(http,'{{secretPassword}}');

sbResponseBody := CkStringBuilder_Create();
success := CkHttp_QuickGetSb(http,'https://domain.com/api/balances/',sbResponseBody);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

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

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

respStatusCode := CkHttp_getLastStatus(http);
Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkHttp__lastHeader(http));
    Memo1.Lines.Add('Failed.');
    Exit;
  end;

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

// {
//   "count": "<integer>",
//   "next": "<string>",
//   "previous": "<string>",
//   "results": [
//     {
//       "id": "<uuid>",
//       "account": {
//         "id": "<uuid>",
//         "name": "<string>",
//         "category": "irure",
//         "currency": "<string>"
//       },
//       "collected_at": "<dateTime>",
//       "value_date": "<date>",
//       "balance": "<number>",
//       "current_balance": "<number>",
//       "statement": "<string>"
//     },
//     {
//       "id": "<uuid>",
//       "account": {
//         "id": "<uuid>",
//         "name": "<string>",
//         "category": "in culpa cupidatat ullamco",
//         "currency": "<string>"
//       },
//       "collected_at": "<dateTime>",
//       "value_date": "<date>",
//       "balance": "<number>",
//       "current_balance": "<number>",
//       "statement": "<string>"
//     }
//   ]
// }

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

count := CkJsonObject__stringOf(jResp,'count');
v_next := CkJsonObject__stringOf(jResp,'next');
previous := CkJsonObject__stringOf(jResp,'previous');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'results');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    id := CkJsonObject__stringOf(jResp,'results[i].id');
    Id := CkJsonObject__stringOf(jResp,'results[i].account.id');
    Name := CkJsonObject__stringOf(jResp,'results[i].account.name');
    Category := CkJsonObject__stringOf(jResp,'results[i].account.category');
    v_Currency := CkJsonObject__stringOf(jResp,'results[i].account.currency');
    collected_at := CkJsonObject__stringOf(jResp,'results[i].collected_at');
    value_date := CkJsonObject__stringOf(jResp,'results[i].value_date');
    balance := CkJsonObject__stringOf(jResp,'results[i].balance');
    current_balance := CkJsonObject__stringOf(jResp,'results[i].current_balance');
    statement := CkJsonObject__stringOf(jResp,'results[i].statement');
    i := i + 1;
  end;

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

Curl Command

curl -X GET
	-u '{{secretId}}:{{secretPassword}}'
https://domain.com/api/balances/

Postman Collection Item JSON

{
  "name": "List",
  "request": {
    "method": "GET",
    "header": [
    ],
    "url": {
      "raw": "{{baseUrl}}/api/balances/",
      "host": [
        "{{baseUrl}}"
      ],
      "path": [
        "api",
        "balances",
        ""
      ],
      "query": [
        {
          "key": "page",
          "value": "1",
          "description": "A page number within the paginated result set.",
          "disabled": true
        }
      ]
    },
    "description": "Get a paginated list of all existing balances in your Belvo account. We return up to 100 results per page."
  },
  "response": [
    {
      "name": "Ok",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "description": "Added as a part of security scheme: basic",
            "key": "Authorization",
            "value": "Basic <credentials>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/api/balances?page=<integer>",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "api",
            "balances"
          ],
          "query": [
            {
              "key": "page",
              "value": "<integer>"
            }
          ]
        }
      },
      "status": "OK",
      "code": 200,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "{\n\t\"count\": \"<integer>\",\n\t\"next\": \"<string>\",\n\t\"previous\": \"<string>\",\n\t\"results\": [\n\t\t{\n\t\t\t\"id\": \"<uuid>\",\n\t\t\t\"account\": {\n\t\t\t\t\"id\": \"<uuid>\",\n\t\t\t\t\"name\": \"<string>\",\n\t\t\t\t\"category\": \"irure\",\n\t\t\t\t\"currency\": \"<string>\"\n\t\t\t},\n\t\t\t\"collected_at\": \"<dateTime>\",\n\t\t\t\"value_date\": \"<date>\",\n\t\t\t\"balance\": \"<number>\",\n\t\t\t\"current_balance\": \"<number>\",\n\t\t\t\"statement\": \"<string>\"\n\t\t},\n\t\t{\n\t\t\t\"id\": \"<uuid>\",\n\t\t\t\"account\": {\n\t\t\t\t\"id\": \"<uuid>\",\n\t\t\t\t\"name\": \"<string>\",\n\t\t\t\t\"category\": \"in culpa cupidatat ullamco\",\n\t\t\t\t\"currency\": \"<string>\"\n\t\t\t},\n\t\t\t\"collected_at\": \"<dateTime>\",\n\t\t\t\"value_date\": \"<date>\",\n\t\t\t\"balance\": \"<number>\",\n\t\t\t\"current_balance\": \"<number>\",\n\t\t\t\"statement\": \"<string>\"\n\t\t}\n\t]\n}"
    },
    {
      "name": "Unauthorized",
      "originalRequest": {
        "method": "GET",
        "header": [
          {
            "description": "Added as a part of security scheme: basic",
            "key": "Authorization",
            "value": "Basic <credentials>"
          }
        ],
        "url": {
          "raw": "{{baseUrl}}/api/balances?page=<integer>",
          "host": [
            "{{baseUrl}}"
          ],
          "path": [
            "api",
            "balances"
          ],
          "query": [
            {
              "key": "page",
              "value": "<integer>"
            }
          ]
        }
      },
      "status": "Unauthorized",
      "code": 401,
      "_postman_previewlanguage": "json",
      "header": [
        {
          "key": "Content-Type",
          "value": "application/json"
        }
      ],
      "cookie": [
      ],
      "body": "[\n\t{\n\t\t\"code\": \"<string>\",\n\t\t\"message\": \"<string>\",\n\t\t\"request_id\": \"<string>\"\n\t},\n\t{\n\t\t\"code\": \"<string>\",\n\t\t\"message\": \"<string>\",\n\t\t\"request_id\": \"<string>\"\n\t}\n]"
    }
  ]
}