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usezombie has a single credit-based model. Every tenant gets the full platform — always-on agent hosting, the tool bridge, activity stream, webhook ingestion, kill switch — and pays from one shared credit wallet. There are no tiers to choose between or upgrade to.
Free until July 31, 2026. During the launch trial, hosted execution — every event receipt and run — is free. The billing details below describe charging after the trial. See pricing.

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Starter credit

New tenants start with $5 (500¢) seeded into the tenant balance automatically on first sign-in — there are no tokens to enter or gates to clear. The balance is waiting for you the moment Clerk completes auth.
FeatureDetails
Starter credit$5 (500¢), tenant-scoped
Agents per workspaceUnlimited
WorkspacesUnlimited
Event processingIncluded
SupportCommunity (Discord, GitHub)
The $5 balance is tenant-scoped and shared across every workspace you create. There is no per-workspace pool — every run debits the same wallet. This is the single-wallet model introduced with v2.

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How credits are spent

Run time is metered by the second: each background lease renewal debits the elapsed slice from your wallet — plus the model’s per-token cost on platform-key runs — with a final settle for the last partial slice when a run ends. Billing accumulates as the run proceeds, so a run that is cancelled or fails partway through is still charged for the time it actually ran; only a run that never starts, or fails before its first metered slice, is free. See Budgets & limits for the full deduction rule.

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Topping up

When the wallet runs low, top up at app.usezombie.com/billing. Top-ups and payment-method updates happen via the dashboard, not the CLI — the CLI surface is zombiectl billing show for read-only balance and charge history. Top-ups apply to the tenant, not an individual workspace — the wallet follows the tenant.