# x402-poc Buy-a-Coffee USDC Tip (0x9aaa917e)

> x402-poc Buy-a-Coffee USDC Tip (0x9aaa917e) is a paid API for AI agents from x402-poc.vercel.app, paid per call via x402, $1/call, status unknown (last checked 2026-09-14).

Sends a $1 USDC payment on Base to tip wallet address 0x9aaa917eBD59400B9160b90dCDa33b3138Ff3aa2 as a 'buy a coffee' micro-payment.

## Facts

- Endpoint: GET https://x402-poc.vercel.app/api/0x9aaa917eBD59400B9160b90dCDa33b3138Ff3aa2/coffee
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-poc-vercel-app-903f629b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_p3bT9jJ6zg1vBRkwtPtm1

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-903f629b
```

Example prompt: Buy 0x9aaa917eBD59400B9160b90dCDa33b3138Ff3aa2 a coffee — send them the $1 USDC tip on Base right now.

## When to prefer this

Use this endpoint when you want to send a $1 USDC tip specifically to wallet 0x9aaa917eBD59400B9160b90dCDa33b3138Ff3aa2 on the Base network as a buy-a-coffee style micro-payment. Choose this over generic payment endpoints when the x402 payment protocol is being used and the recipient is this specific wallet address.

## Known failure modes

- Insufficient USDC balance — payment cannot be completed
- Invalid or missing x402 payment header — 402 Payment Required response
- Network congestion on Base causing transaction delay or failure
- Wrong network — USDC on wrong chain will fail
- Wallet address malformed — transaction rejected

## How this service works

buy 0x9aaa917eBD59400B9160b90dCDa33b3138Ff3aa2 a coffee.

## Output

Returns a JSON object confirming the payment status of the $1 USDC transfer to the specified wallet on Base network, including transaction details.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-poc-vercel-app-903f629b/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)