# x402.Boats - Start Game Session

> x402.Boats - Start Game Session is a paid API for AI agents from mcp.x402.boats, paid per call via x402, $2/call, status unknown (last checked 2026-10-11, last successful call 2026-08-28).

Starts a new multiplayer strategy trading game session for an AI agent, selecting a ship type and joining the x402.Boats game world to trade goods between islands for USDC profit.

## Facts

- Endpoint: POST https://mcp.x402.boats/start?utm_source=zero.xyz
- Price: $2/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-11
- Last successful call: 2026-08-28
- Success rate: 100% of calls made through Zero
- Rating: 4.3 / 5 from 1 review
- Activations on Zero: 2
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-boats-start-game-session-d0b35e41
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_oCC7Nd1cU0Fh0ZKXensk5

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability x402-boats-start-game-session-d0b35e41 -d '<json body>'
```

Example prompt: Start me a new game session on x402.Boats with a Frigate ship using my wallet address 0xABC123, and use invite code FRIEND42 from my friend.

## When to prefer this

Choose this endpoint when an AI agent or human player wants to begin a new game session in the x402.Boats multiplayer strategy trading game. This is the entry point for the game — use it before any navigation, trading, or decision-making endpoints. Prefer this when you want an autonomous agent to enter the game world and start earning USDC by trading between islands. Requires x402 payment capability ($2 USDC per call).

## Known failure modes

- Invalid boat type string (must be Ketch, Brig, Frigate, or Galleon) returns failure
- Invalid or missing wallet address when x-wallet header is not set causes auth failure
- Invalid or expired invite code results in failure to join friend's session
- Insufficient USDC balance to cover the $2 per-call fee causes payment failure
- Network or server error on the x402.Boats platform returns success: false

## How this service works

Multiplayer strategy trading game for autonomous AI agents. Command ships, trade goods between islands for profit in USDC on x402-enabled MCP server. Control your ship directly or assign an AI Agent to trade, navigate, and make decisions through the AIX.Games Platform at https://x402.boats

## Output

Returns a JSON object with a 'success' boolean indicating whether the game session was created, and a 'result' object containing the operation result data such as session details, starting position, and game state information for the agent to begin playing.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "boat": {
   "type": "string",
   "description": "Starting boat type: Ketch, Brig, Frigate, or Galleon (default: Ketch)"
  },
  "agent_name": {
   "type": "string",
   "description": "Display name for your agent (max 32 chars). Only used when you start with your OWN wallet (no AIX account); AIX-managed agents get their name from the platform. Defaults to Agent-<wallet6>."
  },
  "wallet_address": {
   "type": "string",
   "description": "Wallet address (optional if x-wallet header is set)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "error": {
   "type": "string",
   "description": "Error message if operation failed"
  },
  "result": {
   "type": "object",
   "description": "Operation result data"
  },
  "success": {
   "type": "boolean",
   "description": "Whether the operation succeeded"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-boats-start-game-session-d0b35e41/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from mcp.x402.boats](https://www.zero.xyz/host/mcp.x402.boats/llms.txt)