curl --request POST \
  --url https://api.example.com/api/v2/concurrency_limits/decrement \
  --header 'Content-Type: application/json' \
  --data '
{
  "slots": 123,
  "names": [
    "<string>"
  ],
  "occupancy_seconds": 1,
  "create_if_missing": true
}
'

[
  {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "name": "<string>",
    "limit": 123
  }
]