curl --request PATCH \
  --url http://localhost:3500/v1/usage/policy \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "expected_current_month": "<string>",
  "expected_governing_revision_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "overage": {
    "mode": "disallowed"
  },
  "confirmed_billing_impact": true
}
'

const options = {
  method: 'PATCH',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    expected_current_month: '<string>',
    expected_governing_revision_id: '3c90c3cc-0d44-4b50-8888-8dd25736052a',
    overage: {mode: 'disallowed'},
    confirmed_billing_impact: true
  })
};

fetch('http://localhost:3500/v1/usage/policy', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "http://localhost:3500/v1/usage/policy"

payload = {
    "expected_current_month": "<string>",
    "expected_governing_revision_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "overage": { "mode": "disallowed" },
    "confirmed_billing_impact": True
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

{
  "current_month": "<string>",
  "billing_timezone": "<string>",
  "billing_started": true,
  "policy": {
    "kind": "none"
  },
  "governing_revision": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "effective_month": "<string>",
    "created_at": "2023-11-07T05:31:56Z"
  },
  "upcoming_policies": [
    {
      "effective_month": "<string>",
      "policy": {
        "kind": "none"
      }
    }
  ]
}

{
  "error": {
    "code": "validation_error",
    "message": "Invalid request format, parameters, or body. Details contain up to 20 actionable field errors; the complete encoded request body must be at most 2 MiB (2,097,152 bytes).",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "invalid_token",
    "message": "Missing or invalid bearer credential.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "forbidden",
    "message": "Access denied: forbidden, token_disabled, organization_required, insufficient_role, or mfa_required. Check the error code and effective permissions.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "conflict",
    "message": "The billing month or governing revision changed, or no policy is configured.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "rate_limit_exceeded",
    "message": "The IP or authenticated credential exceeded its request limit.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "internal_error",
    "message": "Unexpected server failure. Include the request ID when contacting support.",
    "request_id": "req_example"
  }
}

{
  "error": {
    "code": "service_unavailable",
    "message": "Authentication infrastructure is unavailable or rate limited. Honor Retry-After when provided.",
    "request_id": "req_example"
  }
}