# Billing - [Change plan](https://support.myaskai.com/account-management/billing/change-plan.md): How to change your My AskAI plan. - [Update payment card](https://support.myaskai.com/account-management/billing/update-payment-card.md): How to update your payment card used for your My AskAI subscription. - [Download an invoice](https://support.myaskai.com/account-management/billing/download-an-invoice.md): Download your payment invoices or receipts directly from your Stripe account. - [Discounts](https://support.myaskai.com/account-management/billing/discounts.md): Learn more about the discounts we offer for My AskAI and how you can redeem them. - [Refunds](https://support.myaskai.com/account-management/billing/refunds.md): Learn more about how you can get your money back if you are unhappy with My AskAI. - [Usage costs](https://support.myaskai.com/account-management/billing/usage-costs.md) - [Tax](https://support.myaskai.com/account-management/billing/tax.md): What tax should you be paying, how do you update your taxable status and how do you request a refund for incorrectly charged tax. - [Cancel subscription](https://support.myaskai.com/account-management/billing/cancel-subscription.md): How to cancel your My AskAI subscription. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://support.myaskai.com/account-management/billing.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.