# Changelog

## v2.0.0 — March 2026

Initial release of the **ConnectPSP API V2**.

### New Endpoints

| Endpoint | Description |
|  --- | --- |
| `POST /auth/token` | JWT-based authentication |
| `POST /cash-in` | Create PIX Cash-In (QR Code or OpenFinance) |
| `GET /cash-in/{id}` | Poll Cash-In status |
| `POST /cash-in/{id}/refund` | Request full devolution of a paid Cash-In |
| `POST /cash-out` | Send PIX payment (by key or bank account) |
| `GET /cash-out/{id}` | Poll Cash-Out status |
| `GET /account/balance` | Get consolidated wallet balances |
| `POST /account/rebalance` | Rebalance transactional vs proprietary accounts |


### Key Features

- **Standardized error responses** (RFC 7807 Problem Details) on all 4xx/5xx errors
- **Idempotency support** via `X-Idempotency-Key` header on write operations
- **V2 Webhooks** — events contain full transaction data matching GET endpoint responses
- **OpenFinance support** on Cash-In via the `openFinance` object
- **Dual destination** on Cash-Out: PIX key or direct bank account data