curl --request GET \
  --url https://app.tagadapay.com/api/public/v1/customers/{customerId}/payment-instruments \
  --header 'Authorization: Bearer <token>'

{
  "instruments": [
    {
      "id": "pi_123",
      "type": "card",
      "isActive": true,
      "isDefault": true,
      "createdAt": "2024-03-20T10:30:00Z",
      "card": {
        "last4": "1234",
        "brand": "visa",
        "expYear": 2025,
        "expMonth": 12
      },
      "cardEnrichment": {
        "funding": "credit",
        "segment": "premium"
      }
    }
  ]
}