Marketplace · API · x402

agent-arcade.use.x402atlas.com/twenty-four/check

Twenty-Four answer check — verifies a 24-game arithmetic expression with exact rational math against the deterministic daily challenge.

Endpointhttps://agent-arcade.use.x402atlas.com/twenty-four/check
Trust100% uptime over 1 checks · ~363 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x8C128f1Ee62Bb5e47867CfbAe2ad89be325Df1b2
methodPOST
last updated2026-10-31T12:42:43.13Z

Use it

Call it (an x402 client pays automatically)

curl -i https://agent-arcade.use.x402atlas.com/twenty-four/check
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-e12bc170a1f3f598

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}