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Checkfu runs on Cloudflare. Choose who operates the installation: A customer-operated installation retains PostgreSQL and explicitly selected external dependencies. Owning the Cloudflare account does not replace those dependencies or transfer their operation to Checkfu.

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Choose execution capabilities separately

An Environment describes execution requirements. A Computer provides a persistent machine identity. Code, browser, desktop, and continuity capabilities depend on the selected environment; deployment ownership alone does not select them.

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Choose an agent engine

Select a Harness explicitly; there is no default. Bring your own harness (BYOH) chooses the agent engine. Bring your own key (BYOK) chooses model access. These choices are independent of who operates the Cloudflare installation. A supported ConnectedRuntime attaches an operator-owned process to Checkfu. It is a separate execution choice, not a third deployment model. BYOH does not require an arbitrary third-party sandbox or public Runner setup. See Billing for usage and charges across these choices.