Sample code for 30+ languages & platforms
React Native Requires Chilkat v11.0.0+

Example: Http.HttpFile method

Shows how to use the HttpFile method to send an HTTP POST request with the contents of a file as the request body. The example sends the following request:
POST /api/v1/sites/123/deploys HTTP/1.1
Host: example.com
Accept: */*
Accept-Encoding: gzip
Content-Type: application/zip
Content-Length: 123456

[binary data bytes of data.zip]

Also see: Chilkat Http Default and Auto-Filled Headers

Chilkat React Native Downloads

React Native
import { Http, HttpResponse } from '@chilkat/react-native'

async function chilkatExample() {
  const http = new Http();

  const localFilePath = 'C:/example/zips/data.zip';
  const url = 'https://example.com/api/v1/sites/123/deploys';

  // Send a POST with the contents of the file in the binary HTTP request body.
  const resp = new HttpResponse();
  try {
    await http.httpFileAsync('POST', url, localFilePath, 'application/zip', resp);
  } catch {
    console.log(http.lastErrorText);
    return;
  }

  console.log(`Response Status Code: ${resp.statusCode}`);
  console.log('Response body:');
  console.log(resp.bodyStr);
}