# TOKENIZATION - [Merchants](https://docs.galaxypay.vn/upc/payment-gateway/api-specification/tokenization/merchants.md) - [Delete Token](https://docs.galaxypay.vn/upc/payment-gateway/api-specification/tokenization/merchants/delete-token.md): Use to delete the existing tokens. Only apply for Merchant administration page. - [Customers](https://docs.galaxypay.vn/upc/payment-gateway/api-specification/tokenization/customers.md) - [Query Tokens](https://docs.galaxypay.vn/upc/payment-gateway/api-specification/tokenization/customers/query-tokens.md): Use to get the list of card tokens for the specified customer. - [Remove Token](https://docs.galaxypay.vn/upc/payment-gateway/api-specification/tokenization/customers/remove-token.md): Use to remove a existing card token for the specified customer. --- # 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://docs.galaxypay.vn/upc/payment-gateway/api-specification/tokenization.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.