> For the complete documentation index, see [llms.txt](https://unibaseio.gitbook.io/unibase-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://unibaseio.gitbook.io/unibase-docs/get-started/pay-quickstart.md).

# Unibase Pay Quick Start

Use the x402 API to verify and settle payments in 5 minutes.

### 1. API Base URL

```
https://api.x402.unibase.com/v2
```

### 2. Supported Networks

* BSC mainnet
* BSC testnet

### 3. Quick Verify (cURL)

```bash
curl "https://api.x402.unibase.com/v2/health"
```

### 4. Key Endpoints

| Method   | Endpoint     | Description                    |
| -------- | ------------ | ------------------------------ |
| GET/POST | `/verify`    | Verify payment                 |
| GET/POST | `/settle`    | Settle payment                 |
| GET      | `/health`    | Health check                   |
| GET      | `/supported` | Supported networks and schemes |

### 5. Protocol Reference

See [x402.org](https://x402.org) for the full protocol specification. Servers declare payment requirements; clients send signed payloads; facilitators verify and settle on-chain.

***

### Next Steps

* [API Reference](/unibase-docs/unibase-pay/api-reference.md)
* [Privy Wallet](/unibase-docs/unibase-pay/privy-wallet.md) — Agent custodial wallet via MCP/Skill