# FLASH420 Buy $5 USDC of FLASH Tokens

> FLASH420 Buy $5 USDC of FLASH Tokens is a paid API for AI agents from flash.x420.dev, paid per call via x402, $5/call, status unknown (last checked 2026-10-16).

Purchases $5 USDC worth of FLASH tokens (0x4899bfF1664675FFE4b2546d626b41d86f0bDb07) on behalf of the caller via a paid API call

## Facts

- Endpoint: GET https://flash.x420.dev/api/puff-5?utm_source=zero.xyz
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/flash420-buy-5-usdc-of-flash-tokens-98c8685e
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_U2cywcMtQ6zadRGesygr9

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 flash420-buy-5-usdc-of-flash-tokens-98c8685e
```

Example prompt: Buy me $5 worth of FLASH tokens (0x4899bfF1664675FFE4b2546d626b41d86f0bDb07) using USDC via the FLASH420 x420.dev puff endpoint and tell me how many tokens I received and what the swap transaction hash was.

## When to prefer this

Use this endpoint when you want to buy exactly $5 USDC worth of FLASH tokens in a single API call without specifying a custom amount. Prefer over the custom-amount endpoint when $5 is the desired fixed denomination, and over the $1 endpoint when a larger purchase is needed.

## Known failure modes

- Payment of $5 USDC not received or insufficient — transaction rejected
- FLASH token contract unavailable or liquidity too low — swap fails, swapTransactionHash null
- Network congestion causes transaction timeout
- Invalid or expired x402 payment header
- Smart contract error during swap execution

## How this service works

Buy 5 USDC worth of FLASH tokens 0x4899bfF1664675FFE4b2546d626b41d86f0bDb07

## Output

Returns a JSON object with a status message, the number of FLASH tokens received, the USDC amount paid, the send transaction hash, and the swap transaction hash (both hashes may be null if pending or failed).

## 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/flash420-buy-5-usdc-of-flash-tokens-98c8685e/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from flash.x420.dev](https://www.zero.xyz/host/flash.x420.dev/llms.txt)