# 比特币 (BITCOIN) x420.dev – Buy 5 USDC of BITCOIN Tokens

> 比特币 (BITCOIN) x420.dev – Buy 5 USDC of BITCOIN Tokens is a paid API for AI agents from bitcoin.x420.dev, paid per call via x402, $5/call, status unknown (last checked 2026-10-21).

Purchases exactly 5 USDC worth of BITCOIN tokens (contract 0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07) on-chain and returns transaction details

## Facts

- Endpoint: GET https://bitcoin.x420.dev/api/puff-5?utm_source=zero.xyz
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/bitcoin-x420-dev-buy-5-usdc-of-bitcoin-tokens-86cf9151
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZO4RxD2kNa1B3Zslqr_81

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 bitcoin-x420-dev-buy-5-usdc-of-bitcoin-tokens-86cf9151
```

Example prompt: Buy me 5 USDC worth of the BITCOIN tokens on x420.dev right now.

## When to prefer this

Use this endpoint when you want to buy exactly 5 USDC worth of BITCOIN tokens (contract 0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07) in a single fixed-cost call via the x402 payment protocol. Prefer the custom-amount sibling endpoint if you need a different spend amount, or the 1 USDC sibling for smaller purchases.

## Known failure modes

- Insufficient USDC balance to cover the $5 payment — payment rejected
- On-chain swap fails due to liquidity or slippage — swapTransactionHash may be null
- x402 payment not accepted — 402 Payment Required error returned
- Token contract unreachable or paused — transaction may fail silently
- Network congestion causes timeout — transaction hash not returned in time

## How this service works

Buy 5 USDC worth of BITCOIN tokens 0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07

## Output

Returns a JSON object with a message string, the amount of BITCOIN tokens received, the USDC amount paid, and optionally the send and swap transaction hashes on-chain.

## 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/bitcoin-x420-dev-buy-5-usdc-of-bitcoin-tokens-86cf9151/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bitcoin.x420.dev](https://www.zero.xyz/host/bitcoin.x420.dev/llms.txt)