curl --request POST \
  --url https://sandbox-api.sakawave.example/v1/esims/{profileId}/top-ups \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "packageSlug": "united-states-5gb-30d-pkgus5gb",
  "debitAccountId": "01K2Z3AB4D5E6F7G8H9JKMNPQR",
  "externalReference": "esim_topup_20260829_001"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    packageSlug: 'united-states-5gb-30d-pkgus5gb',
    debitAccountId: '01K2Z3AB4D5E6F7G8H9JKMNPQR',
    externalReference: 'esim_topup_20260829_001'
  })
};

fetch('https://sandbox-api.sakawave.example/v1/esims/{profileId}/top-ups', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://sandbox-api.sakawave.example/v1/esims/{profileId}/top-ups"

payload = {
    "packageSlug": "united-states-5gb-30d-pkgus5gb",
    "debitAccountId": "01K2Z3AB4D5E6F7G8H9JKMNPQR",
    "externalReference": "esim_topup_20260829_001"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{
  "id": "01K2Z3AB4S5T6V7W8XYZABCDEF",
  "kind": "topup",
  "status": "completed",
  "package": {
    "id": "01K2Z3AB4C5D6E7F8GHJKMNPQR",
    "code": "PKG-US-5GB",
    "name": "United States 5GB"
  },
  "quantity": 1,
  "customerId": null,
  "price": {
    "amount": "999",
    "currency": "USD",
    "display": "9.99"
  },
  "paid": {
    "amount": "1568430",
    "currency": "NGN",
    "display": "15,684.30"
  },
  "fee": {
    "amount": "0",
    "currency": "NGN",
    "display": "0.00"
  },
  "refunded": {
    "amount": "0",
    "currency": "NGN",
    "display": "0.00"
  },
  "rate": "1570.000000000000",
  "externalReference": "esim_topup_20260829_001",
  "failureReason": null,
  "profileIds": [
    "01K2Z3AB4R5S6T7V8WXYZABCDE"
  ],
  "completedAt": "2026-08-29T10:30:12.000Z",
  "createdAt": "2026-08-29T10:30:00.000Z",
  "updatedAt": "2026-08-29T10:30:12.000Z"
}

{
  "statusCode": 400,
  "message": "Must be a valid identifier.",
  "code": "validation_failed",
  "errors": [
    {
      "message": "Must be a valid identifier.",
      "field": "accountId",
      "code": "custom",
      "path": [
        "accountId"
      ]
    }
  ]
}

{
  "statusCode": 401,
  "code": "INVALID_API_KEY",
  "message": "Invalid or inactive API credentials."
}

{
  "statusCode": 404,
  "code": "resource_not_found",
  "message": "Resource not found."
}

{
  "statusCode": 409,
  "code": "resource_conflict",
  "message": "The request conflicts with the current resource state."
}

{
  "statusCode": 429,
  "message": "Too many API requests. Try again later.",
  "code": "api_key_rate_limit_exceeded",
  "retryAfterSeconds": 17
}

{
  "statusCode": 500,
  "code": "internal_server_error",
  "message": "An unexpected error occurred."
}

{
  "statusCode": 503,
  "code": "provider_unavailable",
  "message": "We could not issue an account number just now. Try again shortly."
}