List Customers

align.customers.list(email?: string): Promise<CustomerListResponse>

const response = await align.customers.list("[email protected]");

if (response.items.length > 0) {
  const customer = response.items[0];
  console.log(`Found: ${customer.customer_id}`);
} else {
  console.log("Customer not found");
}

async function customerExists(email: string): Promise<boolean> {
  const response = await align.customers.list(email);
  return response.items.length > 0;
}

// Usage
const email = "[email protected]";

if (await customerExists(email)) {
  console.log("Customer already registered");
} else {
  const customer = await align.customers.create({
    email,
    type: "individual",
    first_name: "Alice",
    last_name: "Smith",
  });
}

{
  "items": [
    {
      "customer_id": "123e4567-e89b-12d3-a456-426614174000",
      "email": "[email protected]",
      "type": "individual",
      "first_name": "Alice",
      "last_name": "Smith",
      "kycs": {
        "status": "approved",
        "sub_status": "kyc_form_submission_accepted"
      }
    },
    {
      "customer_id": "223e4567-e89b-12d3-a456-426614174001",
      "email": "[email protected]",
      "type": "individual",
      "first_name": "Bob",
      "last_name": "Johnson",
      "kycs": null
    }
  ]
}