# x420.dev Buy 1 USDC of x420 Tokens

> x420.dev Buy 1 USDC of x420 Tokens is a paid API for AI agents from x420.dev, paid per call via x402, $1/call, status unknown (last checked 2026-10-18).

Purchases 1 USDC worth of x420 tokens on behalf of the caller via a paid API call

## Facts

- Endpoint: GET https://x420.dev/api/puff?utm_source=zero.xyz
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x420-dev-8ca59437
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lVyOz2SY4kbwqNlX0uVtg

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 x420-dev-8ca59437
```

Example prompt: Buy me 1 USDC worth of x420 tokens right now.

## When to prefer this

Use this endpoint when you want to programmatically purchase exactly 1 USDC worth of x420 tokens in a single API call. Prefer over the 5 USDC sibling endpoint when a smaller, incremental purchase is desired.

## Known failure modes

- Insufficient USDC balance results in payment failure
- x402 payment protocol error if wallet not configured
- Network or provider downtime causes 5xx error
- Invalid or missing payment header results in 402 response
- Token liquidity issues may prevent purchase completion

## How this service works

Buy $1 USDC of x420 token

## Output

A confirmation of the token purchase, likely including the amount of x420 tokens acquired and transaction details, returned after the 1 USDC payment is processed.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x420-dev-8ca59437/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x420.dev](https://www.zero.xyz/host/x420.dev/llms.txt)