# x402-poc Buy Coffee for 0xb81F6a3dE77c5192aA08Ed3F0376159e72412bF0

> x402-poc Buy Coffee for 0xb81F6a3dE77c5192aA08Ed3F0376159e72412bF0 is a paid API for AI agents from x402-poc.vercel.app, paid per call via x402, $1/call, status unknown (last checked 2026-09-15).

Sends a $1 USDC tip on the Base network to wallet address 0xb81F6a3dE77c5192aA08Ed3F0376159e72412bF0 as a 'buy me a coffee' micropayment.

## Facts

- Endpoint: GET https://x402-poc.vercel.app/api/0xb81F6a3dE77c5192aA08Ed3F0376159e72412bF0/coffee
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-poc-vercel-app-37529032
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_yhRn-O-UTt66qLT0KxNjR

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-poc-vercel-app-37529032
```

Example prompt: Send a $1 USDC coffee tip to wallet 0xb81F6a3dE77c5192aA08Ed3F0376159e72412bF0 on the Base network.

## When to prefer this

Use this endpoint when you want to send exactly $1 USDC on the Base network as a 'buy me a coffee' tip specifically to wallet 0xb81F6a3dE77c5192aA08Ed3F0376159e72412bF0. Prefer this over generic crypto transfer APIs when the x402 payment protocol is already integrated and the recipient is this specific wallet.

## Known failure modes

- Insufficient USDC balance — payment rejected
- Invalid or missing x402 payment header — 402 Payment Required error
- Network congestion on Base — transaction delay or timeout
- Wrong wallet address format — request fails validation
- Duplicate payment attempt — potential rejection depending on nonce handling

## How this service works

buy 0xb81F6a3dE77c5192aA08Ed3F0376159e72412bF0 a coffee.

## Output

Returns a JSON object confirming the payment status, indicating whether the $1 USDC tip was successfully transferred to the recipient wallet on Base.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-poc-vercel-app-37529032/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-poc.vercel.app](https://www.zero.xyz/host/x402-poc.vercel.app/llms.txt)