## Documentation Index

Access the complete documentation index at:
https://www.zoho.com/en-fr/books/kb/llms.txt

Use this file to discover all available documentation pages before proceeding.

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# My customer cannot locate the Pay Now button to pay for an invoice in the Customer Portal. What should I do?

 ![](/books/images/ue-resources/llm-utility-menu/sparkle-ai.svg) Explore With AI ![](/books/images/ue-resources/llm-utility-menu/dd-arrow.svg) 

*   [Open in ChatGPT (opens in new tab)](https://chatgpt.com/?prompt=Analyze+the+content+of+https%3A%2F%2Fwww.zoho.com%2Fen-fr%2Fbooks%2Fkb%2Fportal%2Fpay-now.html+and+understand+it+thoroughly+so+I+can+ask+questions+about+it.)
*   [Open in Claude (opens in new tab)](https://claude.ai/new?q=Analyze+the+content+of+https%3A%2F%2Fwww.zoho.com%2Fen-fr%2Fbooks%2Fkb%2Fportal%2Fpay-now.html+and+understand+it+thoroughly+so+I+can+ask+questions+about+it.)
*    ![Copy for LLM](/books/images/ue-resources/llm-utility-menu/copy.svg) Copy for LLM
*    [![View as Markdown](/books/images/ue-resources/llm-utility-menu/md.svg) View as Markdown (opens in new tab)](/en-fr/books/kb/portal/pay-now.md)

Ensure that your Zoho Books organization is integrated with at least one payment gateway and select it while creating the invoice. Once you share the invoice with your customer, they will be able to click **Pay Now** and pay for the invoice from their customer portal.

![payment-gateway](/books/kb/images/portal/payment-gateway.png)

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