curl --request POST \
  --url https://api.example.com/v1/sdk/limits \
  --header 'Content-Type: application/json' \
  --data '
{
  "customerRef": "<string>",
  "productRef": "<string>",
  "planRef": "<string>",
  "meterName": "<string>",
  "usageType": "<string>"
}
'

{
  "withinLimits": true,
  "remaining": 997,
  "checkoutSessionId": "e3f1c2d4b6a89f001122334455667788",
  "checkoutUrl": "https://solvapay.com/customer/checkout?id=e3f1c2d4b6a89f001122334455667788",
  "meterName": "requests",
  "creditBalance": 123,
  "creditsPerUnit": 123,
  "currency": "<string>",
  "activationRequired": true,
  "plans": [
    {
      "reference": "<string>",
      "type": "<string>",
      "price": 123,
      "currency": "<string>",
      "requiresPayment": true,
      "name": "<string>",
      "freeUnits": 123,
      "creditsPerUnit": 123,
      "billingModel": "<string>",
      "billingCycle": "<string>"
    }
  ],
  "balance": {
    "creditBalance": 123,
    "creditsPerUnit": 123,
    "currency": "<string>",
    "remainingUnits": 123
  },
  "product": {
    "reference": "<string>",
    "name": "<string>"
  },
  "confirmationUrl": "<string>"
}