// before - nothing is typed
await fetch('https://api.sendgrid.com/v3/mail/send', {
	method: 'POST',
	headers: {
		'Authorization': `Bearer secret`,
		'Content-Type': 'application/json',
	},
	body: JSON.stringify(body),
});

// after - fully typed request and response
await sendEmail(body, { apiKey: 'secret' });

const response = await moduleName(requestBody, options);

// Response types are automatically narrowed
if (response.ok) response.body; // success type
if (!response.ok) response.body; // error type

import { sendEmail, type Options } from 'new-request/email/send-grid/v3/POST';

// Options can be modularized and exported
const options: Options = {
	apiKey: 'SG.your_api_key_here',
	from: { email: 'sender@example.com' },
};

const response = await sendEmail(
	{
		// Request body matches the SendGrid API for easy migration
		// https://www.twilio.com/docs/sendgrid/api-reference/mail-send
		personalizations: [{ to: [{ email: 'recipient@example.com' }] }],
		subject: 'Hello World',
		content: [{ type: 'text/plain', value: 'Email body' }],
		from: { email: 'sender@example.com' }, // optional override
	},
	options,
);

if (response instanceof Error) {
	// Network error or fetch failure
	console.error('Request failed:', response.message);
	return;
}

if (!response.ok) {
	response.status; // 400 | 401 | 403 | 404 | 413 | 500
	if (response.status !== 500) response.body; // 4xx error details
	if (response.status === 500) response.body; // 5xx error details
	return;
}

response.status; // 202 Accepted

import { sendEmail } from 'new-request/email/send-grid/v3/POST';
import { sendEmail } from 'new-request/email/postmark/POST';

import { sendSms } from 'new-request/sms/twilio/2010-04-01/POST';
import { sendSms } from 'new-request/sms/nhn/v3.0/POST';

import { pushMessage } from 'new-request/message/pushover/1/POST';
import { sendMessage } from 'new-request/message/dooray/POST';

import { textToSpeech } from 'new-request/tts/naver/v1/POST';