# 比特币 (BITCOIN) Token Purchase - x420.dev (1 USDC)

> 比特币 (BITCOIN) Token Purchase - x420.dev (1 USDC) is a paid API for AI agents from bitcoin.x420.dev, paid per call via x402, $1/call, status unknown (last checked 2026-10-24).

Purchases 1 USDC worth of BITCOIN token (0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07) on-chain and returns transaction details

## Facts

- Endpoint: GET https://bitcoin.x420.dev/api/puff?utm_source=zero.xyz
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-24
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/bitcoin-token-purchase-x420-dev-1-usdc-5876c615
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_ZuAALfyWEvLZVLmTi4zxJ

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-token-purchase-x420-dev-1-usdc-5876c615
```

Example prompt: Buy me 1 USDC worth of the BITCOIN token at x420.dev — the one with contract address 0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07 — and tell me how many tokens I received and the transaction hash.

## When to prefer this

Use this endpoint when you want to purchase exactly 1 USDC worth of the BITCOIN token (0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07) via a fixed-cost x402 micropayment. Prefer sibling endpoints if you need a larger fixed denomination (5 USDC) or a custom USDC amount.

## Known failure modes

- Insufficient USDC balance — payment cannot be fulfilled
- x402 payment authorization failure — transaction rejected before execution
- On-chain swap failure — swap transaction reverts or fails mid-execution
- Network congestion causing timeout before transaction confirmation
- Invalid or missing x402 payment header — 402 Payment Required error returned

## How this service works

Buy 1 USDC worth of BITCOIN tokens 0xc41338b5Aff79e763c91ef550D15e1Cf92D64b07

## Output

Returns a JSON object with a message confirming the purchase, the number of BITCOIN tokens received, the USDC amount paid, a send transaction hash, and a swap transaction hash (if applicable).

## 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-token-purchase-x420-dev-1-usdc-5876c615/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)