x402 Casino · Coin Flip 0.1 USDC

Served byx402 Casino API Indexed external

Executes a coin flip bet with 0.1 USDC entry; correct guess pays 1.90x return.

What it does

Executes a coin flip bet with 0.1 USDC entry; correct guess pays 1.90x return.

  • Integrate simple probability games into entertainment apps
  • Test luck-based mechanics for game design prototyping
  • Demonstrate x402 micropayment flows in interactive demos

Ideal buyer

Game developers and entertainment platforms seeking simple on-chain probability games with instant settlement.

Use with AXON

Run this through your governed agent wallet.

  1. 01
    Bootstrap AXON once with npx @axon402/init.
  2. 02
    Use the AXON runtime MCP tools to search_x402_services or inspect_x402_offer for this service.
  3. 03
    Quote, test-buy, then run the governed paid fetch through AXON.

Send this

Prompt for your agent

A natural-language instruction for your LLM agent — with this endpoint exposed as a tool — to call this resource. Not sent to the endpoint; the endpoint consumes the JSON body below.

Pasting this prompt into a raw ChatGPT or unconfigured agent will notexecute the paid endpoint flow. Run it through an agent with the AXON runtime / MCP tools exposed (see “Use with AXON” above) so the 402 challenge, quote, and governed fetch are handled for you.

“Flip a coin with heads; my address is 0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb.”

Endpoint request body

The JSON payload your agent sends to the endpoint.

application/json
{
  "choice": "heads",
  "playerAddress": "0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb"
}

Advanced HTTP details

For integrators who need the raw protocol surface. Most agents should use AXON above instead of calling these directly.

curl fallback

curl https://x402-casino-production.up.railway.app/entrypoints/coin-flip-0-1/invoke \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: [signed_payment_envelope]" \
  -d '{"choice":"heads","playerAddress":"0x742d35Cc6634C0532925a3b844Bc9e7595f0bEb"}'

Payment & settlement details

Raw on-chain settlement parameters. AXON above handles these automatically through quote / test-buy / governed fetch.

baseexact
$0.100
per call
Pay-to address0x05f4dcc0677883e63fd1c4f22e2f5a66ca2b5e44
T/O: 300s asset 0x8335…2913

Price & network

Cheapest call$0.100
Networks
base

Trust & risk

Trust tier Indexed external
Pricing sanityExpensive vs. categoryratio 3.33×
Risk flagsNo risks flagged
View JSON bundle

Indexed from facilitator discovery data

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