curl --request PUT \
  --url https://api.ppio.com/openapi/v2/user/key/<stringId>/model-access-policy \
  --header 'Authorization: Bearer <API_KEY>' \
  --header 'Content-Type: application/json' \
  --data '{
    "schemaVersion": 1,
    "productScope": "model_api",
    "mode": "selected",
    "allowedModels": [
      { "type": "llm", "id": "deepseek/deepseek-v3" }
    ]
  }'

curl --request PUT \
  --url https://api.ppio.com/openapi/v2/user/key/<stringId>/model-access-policy \
  --header 'Authorization: Bearer <API_KEY>' \
  --header 'Content-Type: application/json' \
  --data '{
    "schemaVersion": 1,
    "productScope": "model_api",
    "mode": "all_enabled"
  }'

{
  "stringId": "key_xxx",
  "policy": {
    "schemaVersion": 1,
    "productScope": "model_api",
    "mode": "selected",
    "allowedModels": [
      {
        "type": "llm",
        "id": "deepseek/deepseek-v3"
      }
    ],
    "excludedModels": [],
    "source": {
      "type": "private_policy"
    }
  },
  "policyStatus": "active",
  "allowedModelCount": 1,
  "excludedModelCount": 0,
  "updatedAt": 1783764000,
  "updatedBy": "user_uuid_xxx"
}