# WeetPay API


- **Guides**
- [Introduction](/en/docs): Welcome to the WeetPay API documentation
- [Quickstart](/en/docs/getting-started): From sign-up to your first paid charge, in five steps.
- [Authentication](/en/docs/authentication): Client ID and client secret in the headers of every request.
- [Callbacks and webhooks](/en/docs/webhooks): Signed payment and payout notices — the right way to reconcile without polling the API.
- [Idempotency](/en/docs/idempotency): Retry requests safely — a charge or payout is never created twice.
- [Errors](/en/docs/errors): Single error format, HTTP status codes and the most common messages.
- [Limits and rules](/en/docs/limits-and-rules): Request limits, amount limits and the security rules for payouts and split.

- **Cash-in**
- [Cash-in](/en/docs/cash-in): Receive payments with PIX "copia e cola" and dynamic QR Codes.
- [Create PIX charge](/en/docs/cash-in/create-charge)

- **Cash-out**
- [Cash-out](/en/docs/cash-out): Send PIX from your balance to any key, protected against duplicate sending.
- [Send PIX (payout)](/en/docs/cash-out/pix-payment)

- **Transactions**
- [Transactions](/en/docs/transactions): Look up charges and payouts by any identifier.
- [Get transaction](/en/docs/transactions/get-transaction)

- **Account**
- [Account](/en/docs/account): Available WeetPay wallet balance.
- [Get balance](/en/docs/account/balance)