# Connectivity

## Environments

| Environment | Host |
|-------------|------|
| Mainnet | `tradingapi.bullet.xyz` |
| Testnet | `tradingapi.testnet.bullet.xyz` |
| Staging | `tradingapi.staging.bullet.xyz` |

## Endpoints

| Protocol | URL | Docs |
|----------|-----|------|
| REST | `https://<host>/fapi/v1/...` | [Interactive API docs](https://tradingapi.testnet.bullet.xyz/docs/rest) |
| WebSocket | `wss://<host>/ws` | [WebSocket spec](./ws/) |