### Install Inbound SDK using Package Managers

Source: https://docs.inbound.new/sdk/installation

Install the latest Inbound SDK using npm, yarn, pnpm, or bun. This ensures you have the most recent version for your project. Ensure you have Node.js 18.0 or later installed.

```bash
npm install @inboundemail/sdk@latest
```

```bash
yarn add @inboundemail/sdk@latest
```

```bash
pnpm add @inboundemail/sdk@latest
```

```bash
bun add @inboundemail/sdk@latest
```

--------------------------------

### Import and Initialize Inbound SDK (TypeScript)

Source: https://docs.inbound.new/sdk/installation

Import the Inbound SDK and initialize it with your API key. The constructor now accepts the API key as a string. Optionally, you can specify a custom base URL for the API endpoint. This setup is crucial before sending any emails.

```typescript
import { Inbound } from '@inboundemail/sdk'

const inbound = new Inbound(process.env.INBOUND_API_KEY!)
```

```typescript
const inbound = new Inbound(
  process.env.INBOUND_API_KEY!,
  'https://custom.inbound.url/api/v2'
)
```

--------------------------------

### Send First Email using Inbound SDK (TypeScript)

Source: https://docs.inbound.new/sdk/installation

Send your first email using the Inbound SDK after initialization. This example demonstrates setting the sender, recipient, subject, HTML content, and tags. The `send` method returns a promise that resolves with the email details, including its ID.

```typescript
const email = await inbound.emails.send({
  from: 'hello@yourdomain.com',
  to: 'user@example.com',
  subject: 'Welcome!',
  html: '<p>Thanks for signing up!</p>',
  tags: [{ name: 'campaign', value: 'welcome' }]
})

console.log(`Email sent: ${email.id}`)
```

--------------------------------

### Install Inbound Email SDK with npm, yarn, pnpm, or bun

Source: https://docs.inbound.new/sdk/quickstart

Installs the official Inbound Email SDK using various package managers. This is the first step to integrating the SDK into your project.

```bash
npm install @inboundemail/sdk
```

```bash
yarn add @inboundemail/sdk
```

```bash
pnpm add @inboundemail/sdk
```

```bash
bun add @inboundemail/sdk
```

--------------------------------

### Migrate Inbound SDK Constructor from v2.x to v3.x (TypeScript)

Source: https://docs.inbound.new/sdk/installation

Compare the constructor syntax for Inbound SDK between v2.x and v3.x. The v3.x constructor simplifies initialization by directly accepting the API key as a string, with the base URL as an optional second argument, unlike the v2.x object-based configuration.

```typescript
// v2.x (OLD)
const inbound = new Inbound({
  apiKey: process.env.INBOUND_API_KEY!,
  baseUrl: 'https://custom.url',
  defaultReplyFrom: 'support@domain.com'
})

// v3.x (NEW)
const inbound = new Inbound(
  process.env.INBOUND_API_KEY!,
  'https://custom.url'  // optional
)
```

--------------------------------

### Testing Webhooks Locally with ngrok

Source: https://docs.inbound.new/sdk/webhook-handling

Provides command-line instructions for setting up ngrok to test inbound email webhooks locally. This involves installing ngrok, starting the local development server, and then exposing it to the internet via ngrok.

```bash
# Install ngrok
npm install -g ngrok

# Start your local server
npm run dev

# In another terminal, expose your local server
ngrok http 3000

# Use the ngrok URL for your webhook endpoint
# https://abc123.ngrok.io/api/webhook
```

--------------------------------

### Migrate Reply Method from v2.x to v3.x (TypeScript)

Source: https://docs.inbound.new/sdk/installation

Understand the updated `reply` method signature in Inbound SDK v3.x compared to v2.x. v2.x allowed simple string replies, whereas v3.x requires an explicit `from` address along with the email content (text or html) for more controlled replies.

```typescript
// v2.x (OLD) - simple string replies
await inbound.reply(email, "Thanks!")

// v3.x (NEW) - explicit from address required
await inbound.reply(email, {
  from: 'support@domain.com',
  text: 'Thanks!'
})
```

--------------------------------

### Setup Domain, Endpoint, and Email Addresses with TypeScript

Source: https://docs.inbound.new/sdk/examples

Configures a new email domain, sets up a webhook endpoint for receiving emails, and creates standard email addresses. It includes waiting for domain verification and handling DNS records. Dependencies: @inboundemail/sdk. Inputs: domainName (string), webhookUrl (string). Outputs: Object containing verified domain, webhook, and addresses.

```typescript
import { Inbound } from '@inboundemail/sdk'
import type { 
  DomainWithStats, 
  EndpointWithStats, 
  EmailAddressWithDomain 
} from '@inboundemail/sdk'

export class EmailService {
  private inbound: Inbound
  
  constructor() {
    this.inbound = new Inbound({
      apiKey: process.env.INBOUND_API_KEY!,
      defaultReplyFrom: 'noreply@yourdomain.com'
    })
  }
  
  /**
   * Complete setup for a new domain
   */
  async setupDomain(domainName: string, webhookUrl: string) {
    // 1. Add domain
    console.log('Adding domain...')
    const domain = await this.inbound.domains.create({
      domain: domainName
    })
    
    console.log('DNS Records to add:')
    domain.dnsRecords.forEach(record => {
      console.log(`${record.type} ${record.name} → ${record.value}`)
    })
    
    // 2. Create webhook endpoint
    console.log('\nCreating webhook endpoint...')
    const webhook = await this.inbound.endpoints.create({
      name: `${domainName} Webhook`,
      type: 'webhook',
      description: `Main webhook for ${domainName}`,
      config: {
        url: webhookUrl,
        timeout: 30,
        retryAttempts: 3,
        headers: {
          'X-Domain': domainName,
          'X-API-Key': process.env.WEBHOOK_SECRET! 
        }
      }
    })
    
    // 3. Wait for domain verification
    console.log('\nWaiting for domain verification...')
    const verifiedDomain = await this.waitForVerification(domain.id)
    
    // 4. Enable catch-all
    console.log('\nEnabling catch-all...')
    await this.inbound.domains.update(domain.id, {
      isCatchAllEnabled: true,
      catchAllEndpointId: webhook.id
    })
    
    // 5. Create specific email addresses
    console.log('\nCreating email addresses...')
    const addresses = await this.createStandardAddresses(
      domainName, 
      domain.id, 
      webhook.id
    )
    
    return {
      domain: verifiedDomain,
      webhook,
      addresses
    }
  }
  
  /**
   * Wait for domain verification with timeout
   */
  private async waitForVerification(
    domainId: string, 
    maxAttempts = 30
  ): Promise<DomainWithStats> {
    for (let i = 0; i < maxAttempts; i++) {
      const domain = await this.inbound.domains.get(domainId)
      
      if (domain.status === 'verified' && domain.canReceiveEmails) {
        return domain as DomainWithStats
      }
      
      console.log(`Verification attempt ${i + 1}/${maxAttempts}...`)
      await new Promise(resolve => setTimeout(resolve, 120000)) // 2 minutes
    }
    
    throw new Error('Domain verification timeout')
  }
  
  /**
   * Create standard email addresses
   */
  private async createStandardAddresses(
    domain: string,
    domainId: string,
    endpointId: string
  ) {
    const standardAddresses = [
      'support', 'info', 'hello', 'contact',
      'admin', 'noreply', 'notifications'
    ]
    
    const addresses = await Promise.all(
      standardAddresses.map(prefix =>
        this.inbound.emailAddresses.create({
          address: `${prefix}@${domain}`,
          domainId,
          endpointId
        })
      )
    )
    
    return addresses
  }
  
  /**
   * Get email analytics
   */
  async getAnalytics() {
    const [domains, endpoints, emails] = await Promise.all([
      this.inbound.domains.list(),
      this.inbound.endpoints.list(),
      this.inbound.mail.list({ limit: 100 })
    ])
    
    return {
      domains: {
        total: domains.data.length,
        verified: domains.data.filter(d => d.status === 'verified').length,
        withCatchAll: domains.data.filter(d => d.isCatchAllEnabled).length
      },
      endpoints: {
        total: endpoints.data.length,
        webhooks: endpoints.data.filter(e => e.type === 'webhook').length,
        active: endpoints.data.filter(e => e.isActive).length,
        totalDeliveries: endpoints.data.reduce(
          (sum, e) => sum + e.deliveryStats.total, 0
        )
      },
      emails: {
        total: emails.pagination.total,
        recent: emails.emails.length,
        withAttachments: emails.emails.filter(e => e.hasAttachments).length
      }
    }
  }
}

```

--------------------------------

### Initialize and Use Unified Email API (TypeScript)

Source: https://docs.inbound.new/sdk/unified-email-management

Initializes the Inbound SDK with an API key and demonstrates the structure for managing received and sent emails. It includes examples for listing, getting, archiving, and replying to received emails, as well as sending, scheduling, and retrieving sent emails.

```typescript
import { Inbound } from '@inboundemail/sdk'

const inbound = new Inbound({ apiKey: process.env.INBOUND_API_KEY! })

// 📧 Received Email Management
inbound.email.received.list()           // List received emails
inbound.email.received.get(id)          // Get received email
inbound.email.received.thread(id)       // Get email thread
inbound.email.received.markRead(id)     // Mark as read
inbound.email.received.archive(id)      // Archive email
inbound.email.received.reply(params)    // Reply to received email

// 📤 Sent Email Management
inbound.email.send(data)                // Send email (top-level convenience)
inbound.email.schedule(data)            // Schedule email (top-level convenience)
inbound.email.sent.get(id)              // Get sent email
inbound.email.sent.reply(id, data)      // Reply to sent email thread
inbound.email.sent.listScheduled()      // List scheduled emails
inbound.email.sent.getScheduled(id)     // Get scheduled email details
inbound.email.sent.cancel(id)           // Cancel scheduled email

// 🔄 Universal Email Access (NEW!)
inbound.email.get(id)                   // Get ANY email (received or sent)
```

--------------------------------

### Import TypeScript Definitions for Webhooks (TypeScript)

Source: https://docs.inbound.new/sdk/installation

Import specific TypeScript types for handling inbound webhooks with the Inbound SDK. This allows for strong typing of webhook payloads, email objects within payloads, and general webhook structures, enhancing code safety and IDE support.

```typescript
import type {
  InboundWebhookPayload,
  InboundWebhookEmail,
  Webhook
} from '@inboundemail/sdk'
```

--------------------------------

### Send Email Request Examples (JavaScript, cURL, Python, PHP)

Source: https://docs.inbound.new/api-reference/emails/send-email

Demonstrates how to send an email using the Inbound API. Includes examples for JavaScript (Inbound SDK), cURL, Python (requests library), and PHP (cURL). These examples show the necessary parameters such as 'from', 'to', 'subject', 'html', and 'text'. Ensure you replace 'your_api_key' with your actual API key.

```javascript
import { Inbound } from '@inboundemail/sdk';

const inbound = new Inbound('your_api_key');

const { data, error } = await inbound.email.send({
  from: 'Acme <noreply@yourdomain.com>',
  to: ['customer@example.com'],
  subject: 'Welcome to Acme!',
  html: '<h1>Welcome!</h1><p>Thanks for signing up.</p>',
  text: 'Welcome! Thanks for signing up.'
});

if (error) {
  console.error('Error:', error);
} else {
  console.log('Email sent:', data.id);
}
```

```bash
curl -X POST 'https://inbound.new/api/v2/emails' \
     -H 'Authorization: Bearer your_api_key' \
     -H 'Content-Type: application/json' \
     -d '{
  "from": "Acme <noreply@yourdomain.com>",
  "to": ["customer@example.com"],
  "subject": "Welcome to Acme!",
  "html": "<h1>Welcome!</h1><p>Thanks for signing up.</p>",
  "text": "Welcome! Thanks for signing up."
}'
```

```python
import requests

response = requests.post(
  'https://inbound.new/api/v2/emails',
  headers={
    'Authorization': 'Bearer your_api_key',
    'Content-Type': 'application/json',
  },
  json={
    'from': 'Acme <noreply@yourdomain.com>',
    'to': ['customer@example.com'],
    'subject': 'Welcome to Acme!',
    'html': '<h1>Welcome!</h1><p>Thanks for signing up.</p>',
    'text': 'Welcome! Thanks for signing up.'
  }
)

print(response.json())
```

```php
$ch = curl_init('https://inbound.new/api/v2/emails');
curl_setopt($ch, CURLOPT_POST, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
  'Authorization: Bearer your_api_key',
  'Content-Type: application/json'
]);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode([
  'from' => 'Acme <noreply@yourdomain.com>',
  'to' => ['customer@example.com'],
  'subject' => 'Welcome to Acme!',
  'html' => '<h1>Welcome!</h1><p>Thanks for signing up.</p>',
  'text' => 'Welcome! Thanks for signing up.'
]));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

$response = curl_exec($ch);
curl_close($ch);

echo $response;
```

--------------------------------

### DNS DMARC Record Example

Source: https://docs.inbound.new/api-reference/domains/get-dns-records

Example of a DMARC (Domain-based Message Authentication, Reporting & Conformance) TXT DNS record, used for email authentication policy to guide receiving servers on handling SPF/DKIM failures.

```dns
Name: _dmarc.example.com
Value: v=DMARC1; p=none; rua=mailto:dmarc@example.com; ruf=mailto:dmarc@example.com; fo=1; aspf=r; adkim=r

```

--------------------------------

### Replace mail.* Methods with email.received.*

Source: https://docs.inbound.new/sdk/migration-guide

Illustrates the replacement of deprecated mail.* methods with their recommended email.received.* counterparts. This example shows how to list emails, get details, mark as read, and reply to messages.

```typescript
// ❌ Before (deprecated but still works)
async function oldWay() {
  const emails = await inbound.mail.list({ limit: 50 })
  
  for (const email of emails.emails) {
    const details = await inbound.mail.get(email.id)
    
    if (!email.isRead) {
      await inbound.mail.markRead(email.id)
    }
    
    if (details.subject.includes('urgent')) {
      await inbound.mail.reply({
        emailId: email.id,
        to: details.from,
        subject: `Re: ${details.subject}`,
        textBody: 'Thank you for your urgent message.'
      })
    }
  }
}

// ✅ After (recommended)
async function newWay() {
  const emails = await inbound.email.received.list({ limit: 50 })
  
  for (const email of emails.emails) {
    const details = await inbound.email.received.get(email.id)
    
    if (!email.isRead) {
      await inbound.email.received.markRead(email.id)
    }
    
    if (details.subject.includes('urgent')) {
      await inbound.email.received.reply({
        emailId: email.id,
        to: details.from,
        subject: `Re: ${details.subject}`,
        textBody: 'Thank you for your urgent message.'
      })
    }
  }
}
```

--------------------------------

### Domain & Configuration Management with Inbound API

Source: https://docs.inbound.new/sdk/quickstart

Illustrates how to manage domains, endpoints (like webhooks), and email addresses within the Inbound API. Requires appropriate configuration objects and IDs.

```javascript
// Manage domains
await inbound.domain.create({ domain: 'example.com' })
await inbound.domain.list()
await inbound.domain.get('domain_id')

// Manage endpoints
await inbound.endpoint.create({ name: 'Webhook', type: 'webhook', config: {...} })
await inbound.endpoint.list()

// Manage email addresses
await inbound.email.address.create({ address: 'hello@domain.com', domainId: 'id' })
await inbound.email.address.list()
```

--------------------------------

### DNS CNAME Record Example

Source: https://docs.inbound.new/api-reference/domains/get-dns-records

Example of a CNAME (Canonical Name) DNS record, sometimes used for specific subdomain configurations, mapping an alias to a canonical name.

```dns
Name: mail.example.com
Value: inbound-smtp.us-east-1.amazonaws.com

```

--------------------------------

### DNS TXT Record Example

Source: https://docs.inbound.new/api-reference/domains/get-dns-records

Example of a TXT DNS record, commonly used for domain verification and AWS SES identity verification. It includes the record's name and value.

```dns
Name: _amazonses.example.com
Value: abc123def456ghi789jkl

```

--------------------------------

### DNS MX Record Example

Source: https://docs.inbound.new/api-reference/domains/get-dns-records

Example of an MX (Mail Exchanger) DNS record, used for routing emails to the correct mail servers. It specifies the record's name, value, and priority.

```dns
Name: example.com
Value: 10 inbound-smtp.us-east-1.amazonaws.com
Priority: 10

```

--------------------------------

### DNS SPF Record Example

Source: https://docs.inbound.new/api-reference/domains/get-dns-records

Example of an SPF (Sender Policy Framework) TXT DNS record, used for email authentication to specify authorized mail servers. It helps prevent email spoofing.

```dns
Name: example.com
Value: v=spf1 include:amazonses.com ~all

```

--------------------------------

### Send, Receive, and List Emails with Inbound Email SDK (JavaScript)

Source: https://docs.inbound.new/sdk/quickstart

Demonstrates core functionalities of the Inbound Email SDK: sending transactional emails, handling incoming email webhooks, listing recent emails, and retrieving specific email messages by ID. Requires an API key for initialization.

```javascript
import { InboundEmailClient } from '@inboundemail/sdk'
import type { InboundWebhookPayload } from '@inboundemail/sdk'

const inbound = new InboundEmailClient(process.env.INBOUND_API_KEY!)

// 1. Send an email
export async function sendWelcomeEmail(customerEmail: string) {
  const { data, error } = await inbound.email.send({
    from: 'welcome@yourdomain.com',
    to: customerEmail,
    subject: 'Welcome to our service!',
    html: '
      <h1>Welcome!</h1>
      <p>Thanks for signing up. Reply to this email if you have any questions.</p>
    ',
    text: 'Welcome! Thanks for signing up. Reply to this email if you have any questions.'
  })

  if (error) {
    throw new Error(`Failed to send welcome email: ${error}`)
  }

  return data
}

// 2. Handle incoming emails (webhook handler)
export async function handleIncomingEmail(payload: InboundWebhookPayload) {
  const { email } = payload

  // Get full email details
  const { data: fullEmail, error } = await inbound.email.received.get(email.id)
  
  if (error) {
    throw new Error(`Failed to get email: ${error}`)
  }

  // Auto-categorize and respond based on content
  if (fullEmail.subject.toLowerCase().includes('support')) {
    // Support request - auto-reply and route
    await inbound.email.received.reply({
      emailId: email.id,
      to: fullEmail.from,
      subject: `Re: ${fullEmail.subject}`,
      textBody: 'Thank you for contacting support. We will respond within 24 hours.',
      includeOriginal: false
    })
    
    // Mark as read since we've handled it
    await inbound.email.received.markRead(email.id)
    
    console.log('Support request processed and auto-replied')
  } else {
    // General email - just mark as read
    await inbound.email.received.markRead(email.id)
    console.log('General email received and marked as read')
  }

  return { success: true }
}

// 3. List recent emails
export async function getRecentEmails() {
  const { data, error } = await inbound.email.received.list({
    limit: 10,
    timeRange: '24h'
  })

  if (error) {
    throw new Error(`Failed to get emails: ${error}`)
  }

  return data.emails
}

// 4. Universal email retrieval (works for any email)
export async function getAnyEmail(emailId: string) {
  const { data, error } = await inbound.email.get(emailId)
  
  if (error) {
    throw new Error(`Email not found: ${error}`)
  }

  return data
}

```

--------------------------------

### Get Webhook Endpoint using Inbound SDK, cURL, Python, PHP

Source: https://docs.inbound.new/api-reference/endpoints/get-endpoint

Demonstrates how to fetch details of a specific webhook endpoint. It includes examples using the Inbound SDK for JavaScript, cURL for command-line access, Python with the requests library, and PHP using cURL. These examples show how to make the API request and process the JSON response to display endpoint name, type, and delivery statistics.

```javascript
import { InboundEmailClient } from '@inboundemail/sdk'

const inbound = new InboundEmailClient(process.env.INBOUND_API_KEY!)

const { data: endpoint, error } = await inbound.endpoint.get('ep_abc123')

if (error) {
  console.error('Error fetching endpoint:', error)
} else {
  console.log(`Endpoint: ${endpoint.name} (${endpoint.type})
`)
  console.log(`Deliveries: ${endpoint.deliveryStats.total} total, ${endpoint.deliveryStats.successful} successful`)
}
```

```bash
curl -X GET "https://inbound.new/api/v2/endpoints/ep_abc123" \
    -H "Authorization: Bearer your_api_key"
```

```python
import requests

response = requests.get(
    'https://inbound.new/api/v2/endpoints/ep_abc123',
    headers={'Authorization': f'Bearer {api_key}'}
)

endpoint = response.json()
print(f"Endpoint: {endpoint['name']} ({endpoint['type']})
")
print(f"Deliveries: {endpoint['deliveryStats']['total']} total, {endpoint['deliveryStats']['successful']} successful")
```

```php
<?php
$api_key = 'your_api_key';
$endpoint_id = 'ep_abc123';

$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://inbound.new/api/v2/endpoints/{$endpoint_id}");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_HTTPHEADER, [
    "Authorization: Bearer {$api_key}"
]);

$response = curl_exec($ch);
curl_close($ch);

$endpoint = json_decode($response, true);
echo "Endpoint: {$endpoint['name']} ({$endpoint['type']})\n";
echo "Deliveries: {$endpoint['deliveryStats']['total']} total, {$endpoint['deliveryStats']['successful']} successful\n";
?>
```

--------------------------------

### Initialize Inbound Email Client with API Key

Source: https://docs.inbound.new/sdk/quickstart

Initializes the InboundEmailClient using an API key stored in environment variables. This client handles authentication and provides a unified interface for email operations.

```javascript
import { InboundEmailClient } from '@inboundemail/sdk'

const inbound = new InboundEmailClient(process.env.INBOUND_API_KEY!)
```