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Choose whether an active Pro space can use paid AI usage after its included credits are spent, and how much additional usage it may incur in the billing period. You manage this setting for the space you own.

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Choose what additional spending is allowed

On-Demand Usage is paid usage after the included credits run out. It is billed after use. The Billing Period Limit controls that additional usage; the recurring Pro subscription fee is separate. Choose Disabled if you want no on-demand usage. A lower setting does not erase charges already incurred. Unlimited permits additional usage charges without this fixed cap; it does not add free credits. For example, entering 10 in Fixed means a $10 additional-usage limit for that billing period. This is an illustrative budget, not a recommended amount or the total subscription price. Read the usage meter to see additional usage already accumulated.

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Set and save the limit

The Billing link opens the current space’s settings. Check its name before changing spending. Already at On-Demand Usage in the intended space? Start at step 3.
  1. Open Billing.
  2. Find On-Demand Usage beneath the plan controls.
  3. Open the menu beside Billing Period Limit.
  4. Select Fixed, Unlimited or Disabled, according to your decision.
  5. If you selected Fixed, enter the intended limit in the USD amount field.
  6. Select Save.
  7. Wait for the success message.
  8. Reopen Billing.
  9. Check that On-Demand Usage shows the saved mode and, for Fixed, the intended amount.
Selecting a mode or editing the field alone does not save it. The saved setting determines whether usage can continue after included credits are spent. Check your usage explains how to read the remaining allowance and recorded activity.

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If the controls or Save are unavailable

These controls require an active Pro subscription and its space owner. Check the plan’s status in Billing. Use Upgrade to Pro only if you intend to purchase that plan. A payment issue needs Fix a failed payment. For Fixed, enter a valid nonnegative dollar amount and correct any field validation message. If a save error appears, do not rely on the unsaved selection. Reload Billing and check the persisted value before trying again. Contact billing@alysium.ai with the space, intended mode/amount and error if the setting cannot be confirmed. If usage has stopped, What happens when you run out of credits helps distinguish a spent allowance, a fixed cap and an agent-specific limit.