> ## Documentation Index
> Fetch the complete documentation index at: https://developer.pagou.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Legacy v1 Reference

> Legacy API operations for existing v1 integrations.

Use these endpoints only for existing v1 integrations. New integrations should use the v2 reference pages.

## Endpoints

* [Create a Webhook Integration](/api-reference/legacy-v1/create-webhook-integration)
* [Validate Authentication](/api-reference/legacy-v1/validate-authentication)
* [Get Account Balance](/api-reference/legacy-v1/get-account-balance)
* [List PIX Transactions](/api-reference/legacy-v1/list-pix-transactions)
* [Get a PIX Transaction](/api-reference/legacy-v1/get-pix-transaction)
* [Create a PIX Payment](/api-reference/legacy-v1/create-pix-payment)
* [Refund a PIX Payment](/api-reference/legacy-v1/refund-pix-payment)
* [Withdraw a PIX Payment](/api-reference/legacy-v1/withdraw-pix-payment)