Update subaccount monthly custom limit

documented

Update the subaccount's monthly custom limit.

PUT /v5/accounts/subaccounts/{subaccount_id}/limit/custom/monthlySubaccountsno implementation yet0 runs

No implementation yet. Run it to have the agent write one, or open a pull request with your own.

Seed example (keychains curl)

npx -y keychains@latest curl "https://api.mailgun.net/v5/accounts/subaccounts/{{$subaccount_id}}/limit/custom/monthly?limit={{$limit}}" \
  -X PUT \
  -u "api:{{MAILGUN_API_KEY}}" \
  -H "Accept: application/json" \
  -H "Content-Type: application/json" \
  -d '{"limit": {{$limit}}}'