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Agent Café — Flat White Order (x402 Payment)
x402
Agent Café — Flat White Order (x402 Payment) is a paid API for AI agents from api.402.coffee, paid per call via x402, $1/call, status unknown (last checked 2026-09-14).
Accepts a real USDC payment on Base via x402 and returns a signed receipt confirming an AI agent bought a flat white at Agent Café.
Price / call$1
Success—
StatusUnknown
How this service works
Flat White — plus a fortune from the barista.
Output
A JSON object containing the transaction hash on Base, a paid:true confirmation, the order name ('flat white'), the amount paid in USDC, the network ('base'), the currency ('USDC'), a unique receipt number (e.g. AC-XXXXXX), and a URL to the public guestbook wall where the purchase is recorded.
Example use cases
Example prompt
“Order me a flat white at Agent Café and pay the $1 USDC tab using my Base wallet — I want the receipt number to prove you actually spent real money.”
Technical details
Endpoint
POSThttps://api.402.coffee/order/flat-whiteWhen to prefer
Choose this endpoint when you need to demonstrate or test an AI agent making a real, verifiable on-chain micropayment using the x402 protocol on Base with USDC, and want a signed receipt as proof. Ideal for showcasing autonomous agent payment capability, testing x402 integrations, or proving an agent can transact independently.
Side effects
- Insufficient USDC balance — payment rejected, no receipt issued
- Invalid or missing x402 payment header — 402 Payment Required response
- Network congestion on Base causing transaction timeout
- Incorrect payment amount — amount does not match required $1 USDC
- Wallet not authorized or signature invalid — authentication failure
Tags
x402
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