> For the complete documentation index, see [llms.txt](https://docs.convai.com/api-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.convai.com/api-docs/credits-and-billing/convai-credits.md).

# Convai credits

Find out how Convai credits work, how your balance changes during a billing cycle, and how to estimate the credits a project will use.

Convai measures usage in credits. Every turn of a conversation, every connected session, and every file you process draws from your plan's credit balance. If you are new to credits, start with [How Convai credits work](/api-docs/credits-and-billing/convai-credits/how-convai-credits-work.md).

<table data-view="cards"><thead><tr><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><strong>How Convai credits work</strong><br>What a credit is worth, what uses credits, and how each turn's charge is calculated.</td><td><a href="/api-docs/credits-and-billing/convai-credits/how-convai-credits-work.md">How Convai credits work</a></td></tr><tr><td><strong>Credit balance and billing cycle</strong><br>When credits arrive and expire, usage alerts, and what happens when credits run out.</td><td><a href="/api-docs/credits-and-billing/convai-credits/credit-balance-and-billing-cycle.md">Credit balance and billing cycle</a></td></tr><tr><td><strong>Estimate credit usage for a project</strong><br>Use the credit calculator to estimate a cost per turn, a monthly total, and the plan that covers it.</td><td><a href="/api-docs/credits-and-billing/convai-credits/estimate-credit-usage.md">Estimate credit usage for a project</a></td></tr><tr><td><strong>How existing subscriptions move to credits</strong><br>How a paid subscription converts to a credit balance, and why your renewal date stays the same.</td><td><a href="/api-docs/credits-and-billing/convai-credits/existing-subscriptions-and-credits.md">How existing subscriptions move to credits</a></td></tr></tbody></table>


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