curl https://api.onepay.la/v1/customers/session/charges \
  -X POST \
  -H "Authorization: Bearer sk_test_xxx" \
  -H "x-customer-token: 12|a1b2c3d4e5f6..." \
  -H "x-idempotency: 550e8400-e29b-41d4-a716-446655440000" \
  -H "Content-Type: application/json" \
  -d '{
    "payment_method_id": "bb02b2fd-154c-4c90-9fdf-cec3a0b25cf5",
    "amount": 50000,
    "currency": "COP",
    "description": "Pago mensualidad marzo"
  }'

const response = await fetch('https://api.onepay.la/v1/customers/session/charges', {
  method: 'POST',
  headers: {
    'Authorization': 'Bearer sk_test_xxx',
    'X-Customer-Token': '12|a1b2c3d4e5f6...',
    'X-Idempotency': '550e8400-e29b-41d4-a716-446655440000',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    payment_method_id: 'bb02b2fd-154c-4c90-9fdf-cec3a0b25cf5',
    amount: 50000,
    currency: 'COP',
    description: 'Pago mensualidad marzo'
  })
});

const charge = await response.json();

import requests

response = requests.post(
    'https://api.onepay.la/v1/customers/session/charges',
    headers={
        'Authorization': 'Bearer sk_test_xxx',
        'X-Customer-Token': '12|a1b2c3d4e5f6...',
        'X-Idempotency': '550e8400-e29b-41d4-a716-446655440000',
        'Content-Type': 'application/json'
    },
    json={
        'payment_method_id': 'bb02b2fd-154c-4c90-9fdf-cec3a0b25cf5',
        'amount': 50000,
        'currency': 'COP',
        'description': 'Pago mensualidad marzo'
    }
)

charge = response.json()

{
  "charge_id": "9e02966f-2ddf-4ee7-a391-5b5b7653e232",
  "status": "created",
  "message": "Solicitud de aprobación enviada al cliente vía WhatsApp.",
  "expires_at": "2026-03-16T22:35:00+00:00"
}

{
  "message": "Ya existe un cobro pendiente para este método de pago."
}

{
  "message": "El método de pago está expirado."
}