> For the complete documentation index, see [llms.txt](https://docs.neox.vn/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.neox.vn/docs/payment-gateway/transaction-management.md).

# Transaction Management

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[Query DR](/docs/payment-gateway/transaction-management/query-dr.md)
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[IPN](/docs/payment-gateway/transaction-management/ipn.md)
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{% content-ref url="<https://github.com/neopayvn/neox-gitbook-documents-v1/blob/main/payment-gateway/transaction-management/broken-reference/README.md>" %}
<https://github.com/neopayvn/neox-gitbook-documents-v1/blob/main/payment-gateway/transaction-management/broken-reference/README.md>
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[Refund on portal](/docs/payment-gateway/transaction-management/refund-on-portal.md)
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