# run.x420.dev RUN Token Purchase (1 USDC Fixed)

> run.x420.dev RUN Token Purchase (1 USDC Fixed) is a paid API for AI agents from run.x420.dev, paid per call via x402, $1/call, status unknown (last checked 2026-09-14).

Purchases exactly $1 USDC worth of RUN tokens (contract 0x7f7F9d18a2b58F808acE9b6db2094E5D9ca33B07) on behalf of the caller

## Facts

- Endpoint: GET https://run.x420.dev/api/puff
- 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/run-x420-dev-e97facfa
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_u3ZlOSXhD2-yEnd5gZuq3

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 run-x420-dev-e97facfa
```

Example prompt: Buy me $1 worth of RUN tokens — use the fixed 1 USDC option to purchase RUN token at contract 0x7f7F9d18a2b58F808acE9b6db2094E5D9ca33B07.

## When to prefer this

Use this endpoint when you want to purchase exactly $1 USDC worth of RUN tokens in a single fixed-price call. Prefer this over the sibling custom-amount endpoint when the desired spend is exactly $1 and simplicity is preferred over flexibility.

## Known failure modes

- Insufficient USDC balance to cover the $1 payment
- x402 payment not properly authorized or formatted
- Token contract liquidity insufficient to fulfill swap
- Network congestion causing transaction failure
- Invalid or expired payment credential

## How this service works

Buy 1 USDC worth of RUN tokens 0x7f7F9d18a2b58F808acE9b6db2094E5D9ca33B07

## Output

A transaction confirmation or receipt indicating that $1 USDC was spent and RUN tokens were received, likely including the token amount received and on-chain transaction details.

## Response schema (JSON Schema)

```json
{
 "message": "string",
 "tokensReceived": "string",
 "usdcAmountPaid": "string",
 "sendTransactionHash": "string | null",
 "swapTransactionHash": "string | null"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/run-x420-dev-e97facfa/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from run.x420.dev](https://www.zero.xyz/host/run.x420.dev/llms.txt)