curl --request GET \
  --url https://app.flowglad.com/api/v1/resource-claims/{subscriptionId}/usages \
  --header 'Authorization: <api-key>'

[
  {
    "usage": {
      "resourceSlug": "<string>",
      "resourceId": "<string>",
      "capacity": 0,
      "claimed": 0,
      "available": 0
    },
    "claims": [
      {
        "id": "<string>",
        "createdAt": 0,
        "updatedAt": 0,
        "livemode": true,
        "organizationId": "<string>",
        "subscriptionItemFeatureId": "<string>",
        "resourceId": "<string>",
        "subscriptionId": "<string>",
        "pricingModelId": "<string>",
        "externalId": "<string>",
        "claimedAt": 0,
        "releaseReason": "<string>",
        "releasedAt": 0,
        "metadata": {}
      }
    ]
  }
]