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The Email Templates service allows you to manage transactional email templates for user communications.

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Overview

Email templates in SnackBase are used for:
  • User welcome emails
  • Password reset emails
  • Email verification emails
  • Invitation emails
  • Custom notifications

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Installation

The Email Templates service is included in the @snackbase/sdk package: 
npm install @snackbase/sdk

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Setup

import { SnackBaseClient } from '@snackbase/sdk';

const client = new SnackBaseClient({
  baseUrl: 'https://api.snackbase.dev',
  apiKey: 'your-api-key',
});

const emailTemplates = client.emailTemplates;

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Methods

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list()

List all email templates with optional filtering. 
const templates = await emailTemplates.list({
  template_type: 'welcome',
  locale: 'en',
  enabled: true,
  status: 'active',
  start_date: '2026-01-01',
  end_date: '2026-12-31',
  page: 1,
  limit: 30
});
Parameters:
  • template_type?: string - Filter by template type
  • locale?: string - Filter by locale (e.g., ‘en’, ‘es’)
  • enabled?: boolean - Filter by enabled status
  • status?: string - Filter by status
  • start_date?: string - Filter by start date
  • end_date?: string - Filter by end date
  • page?: number - Page number
  • limit?: number - Results per page

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get()

Get a specific email template by ID. 
const template = await emailTemplates.get('template-id');
Response: 
{
  id: string;
  name: string;
  template_type: string;
  locale: string;
  subject: string;
  html_body: string;
  text_body: string;
  enabled: boolean;
  created_at: string;
  updated_at: string;
}

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update()

Update an email template. 
const updated = await emailTemplates.update('template-id', {
  subject: 'Welcome to {{app_name}}!',
  html_body: '<html>...</html>',
  text_body: 'Plain text version',
  enabled: true
});

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render()

Render a template with variables (preview). 
const rendered = await emailTemplates.render({
  template_type: 'welcome',
  locale: 'en',
  variables: {
    user_name: 'John',
    app_name: 'MyApp',
    verification_url: 'https://example.com/verify'
  },
  subjectOverride: 'Custom Subject', // Optional
  htmlBodyOverride: '<html>...</html>', // Optional
  textBodyOverride: 'Plain text' // Optional
});

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sendTest()

Send a test email to verify the template. 
await emailTemplates.sendTest('template-id', {
  recipient_email: '[email protected]',
  variables: {
    user_name: 'Test User',
    app_name: 'MyApp'
  },
  provider: 'smtp' // Optional: override email provider
});

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listLogs()

List email send logs. 
const logs = await emailTemplates.listLogs({
  template_type: 'welcome',
  locale: 'en',
  account_id: 'account-id',
  enabled: true,
  status: 'sent',
  start_date: '2026-01-01',
  end_date: '2026-12-31',
  page: 1,
  limit: 30
});

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Template Variables

Templates use Mustache syntax for variables: 
<!DOCTYPE html>
<html>
<body>
  <h1>Welcome, {{user_name}}!</h1>
  <p>Thanks for joining {{app_name}}.</p>
  <a href="{{verification_url}}">Verify your email</a>
</body>
</html>

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Built-in Template Types

TypePurpose
welcomeNew user welcome email
verificationEmail verification
password_resetPassword reset link
invitationUser invitation
magic_linkMagic link login

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Complete Example

import { SnackBaseClient } from '@snackbase/sdk';

const client = new SnackBaseClient({
  baseUrl: 'https://api.snackbase.dev',
  apiKey: 'your-api-key',
});

// List all welcome templates
const welcomeTemplates = await client.emailTemplates.list({
  template_type: 'welcome'
});

// Update a template
const updated = await client.emailTemplates.update('template-id', {
  subject: 'Welcome to {{app_name}}!',
  html_body: `
    <!DOCTYPE html>
    <html>
    <body>
      <h1>Welcome, {{user_name}}!</h1>
      <p>Thanks for joining {{app_name}}.</p>
      <a href="{{verification_url}}">Verify your email</a>
    </body>
    </html>
  `,
  enabled: true
});

// Send a test email
await client.emailTemplates.sendTest('template-id', {
  recipient_email: '[email protected]',
  variables: {
    user_name: 'John Doe',
    app_name: 'MyApp',
    verification_url: 'https://example.com/verify?token=abc123'
  }
});

// Check send logs
const logs = await client.emailTemplates.listLogs({
  template_type: 'welcome',
  limit: 10
});

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Error Handling

import { SnackBaseError } from '@snackbase/sdk';

try {
  await client.emailTemplates.sendTest('template-id', {
    recipient_email: '[email protected]',
    variables: {}
  });
} catch (error) {
  if (error instanceof SnackBaseError) {
    console.error('Email send failed:', error.message);
    if (error.statusCode === 422) {
      console.error('Validation error:', error.fields);
    }
  }
}

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Next Steps