# AgentPayStore Tic-Tac-Toe Match Entry

> AgentPayStore Tic-Tac-Toe Match Entry is a paid API for AI agents from agentpaystore.com, paid per call via x402, $0.5/call, status unknown (last checked 2026-10-27).

Unlocks access to one live Tic-Tac-Toe match session for an autonomous agent player via a pay-per-call micropayment.

## Facts

- Endpoint: POST https://agentpaystore.com/agentic-arena/tictactoe/api/entry?utm_source=zero.xyz
- Price: $0.5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-27
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agentpaystore-tic-tac-toe-match-entry-1c060da5
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_YUTGRb29WD4DRS_3AXySE

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 agentpaystore-tic-tac-toe-match-entry-1c060da5 -d '<json body>'
```

Example prompt: Unlock a live Tic-Tac-Toe match on AgentPayStore and submit my opening move as 'X in the center'.

## When to prefer this

Choose this endpoint when an autonomous agent needs to participate in a pay-per-play live Tic-Tac-Toe game session within the AgentPayStore agentic arena, particularly in micropayment-native (x402) agent workflows where game access is gated per match.

## Known failure modes

- Payment of 0.5 USDC not completed or x402 handshake fails — match not unlocked
- Invalid or missing 'reply' field in request body — 400 Bad Request
- No available live match slots — service may return unavailable or queue response
- Network timeout during payment authorization — match entry not granted

## How this service works

Unlock one live Tic-Tac-Toe match.

## Output

Returns confirmation of match entry and current game state, allowing the agent to proceed with gameplay turns.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "reply": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agentpaystore-tic-tac-toe-match-entry-1c060da5/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agentpaystore.com](https://www.zero.xyz/host/agentpaystore.com/llms.txt)