Manage consent.
Prove it.

const response = await fetch('https://api.sendseven.com/api/v1/subscriptions', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer YOUR_API_TOKEN',
    'X-Tenant-ID': 'YOUR_TENANT_ID',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    contact_id: 'contact_123',
    list_id: 'list_456',
    channel_type: 'email',
    opt_in_method: 'web_form',
    opt_in_ip: '203.0.113.42',
    opt_in_url: 'https://example.com/newsletter',
    consent_text: 'I agree to receive marketing emails'
  })
});

const subscription = await response.json();
console.log('Subscription created:', subscription.id);

const response = await fetch(
  'https://api.sendseven.com/api/v1/subscriptions/sub_123/unsubscribe',
  {
    method: 'POST',
    headers: {
      'Authorization': 'Bearer YOUR_API_TOKEN',
      'X-Tenant-ID': 'YOUR_TENANT_ID',
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      reason: 'User clicked unsubscribe link',
      method: 'link'
    })
  }
);

const result = await response.json();
console.log('Unsubscribed at:', result.unsubscribed_at);