## Get Company Profile

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let isin = "INE002A01018"; // Reliance Industries

apiInstance.getCompanyProfile(isin, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```

## Get Balance Sheet

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let isin = "INE002A01018";
let opts = {
  type: "consolidated"
};

apiInstance.getBalanceSheet(isin, opts, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```

## Get Cash Flow

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let isin = "INE002A01018";
let opts = {
  type: "standalone"
};

apiInstance.getCashFlow(isin, opts, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```

## Get Income Statement

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let isin = "INE002A01018";
let opts = {
  type: "consolidated",
  timePeriod: "yearly"
};

apiInstance.getIncomeStatement(isin, opts, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```

## Get Key Ratios

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let isin = "INE002A01018";

apiInstance.getKeyRatios(isin, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```

## Get Share Holdings

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let isin = "INE002A01018";

apiInstance.getShareHoldings(isin, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```

## Get Corporate Actions

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let isin = "INE002A01018";

apiInstance.getCorporateActions(isin, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```

## Get Competitors

```javascript
let UpstoxClient = require('upstox-js-sdk');
let defaultClient = UpstoxClient.ApiClient.instance;
var OAUTH2 = defaultClient.authentications['OAUTH2'];
OAUTH2.accessToken = "{your_access_token}";

let apiInstance = new UpstoxClient.FundamentalsApi();
let instrumentKey = "NSE_EQ|INE002A01018";

apiInstance.getCompetitors(instrumentKey, (error, data, response) => {
  if (error) {
    console.error(error);
  } else {
    console.log('API called successfully. Returned data: ' + JSON.stringify(data));
  }
});
```