// Pseudocode using TypeScript type names.
const response = await moduleName(RequestBody, Options);

// Response body type can be easily narrowed.
if (response.ok) response.body; // ResponseBody
if (!response.ok) response.body; // ResponseBody4xx

// Example using the SendGrid mail send API v3.

// Rename the imported module for better readability.
import { SendGridSendEmail3 as sendEmail } from 'new-request';

// Everything is typed and autocompleted.
const response = await sendEmail(
  // First parameter closely matches the API's request body.
  // In this example, reference the SendGrid API documentation.
  // https://docs.sendgrid.com/api-reference/mail-send/mail-send
  {
    personalizations: [{ to: [{ email: 'recipient@example.com' }] }],
    subject: 'title',
    content: [{ type: 'text/plain', value: 'body' }],
    from: { email: 'sender@example.com' }, // optional, override
    // ...
  },

  // Second parameter `options` can be modularized and reused.
  {
    apiKey: 'SG.this_is_a_secret_api_key.do_not_expose',
    from: { email: 'sender@example.com' }, // required
    // Custom `fetch` function can be provided here.
  },
);

if (response instanceof Error) {
  // Handle fetch error, which is most-likely a network issue.
} else if (!response.ok) {
  response.status; // 400 | 401 | 403 | 404 | 413 | 500
  // The response body can be narrowed based on the status.
  if (response.status !== 500) response.body; // ResponseBody4xx
  if (response.status === 500) response.body; // ResponseBody5xx
} else {
  response.status; // 202, Successfully sent the mail.
}