# BALD Token Purchase - Fixed $1 USDC

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

Purchases exactly $1 USDC worth of BALD tokens (contract 0x110B4ef11db22eEb3caFCB53a58b8B6B1bCDEb07) on behalf of the caller

## Facts

- Endpoint: POST https://bald.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/bald-x420-dev-b2368f9f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_1iedm0wQz_Z-tGSCibBRR

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 bald-x420-dev-b2368f9f -d '<json body>'
```

Example prompt: Buy me $1 worth of BALD tokens right now — use my USDC balance to swap into BALD (contract 0x110B4ef11db22eEb3caFCB53a58b8B6B1bCDEb07) and tell me how many tokens I received.

## When to prefer this

Use this endpoint when you want a simple, fixed $1 USDC purchase of BALD tokens without needing to specify an amount. Prefer the sibling endpoint if you need a custom USDC amount. Best for automating small recurring BALD token purchases or testing the swap flow with minimal spend.

## Known failure modes

- Insufficient USDC balance — payment of $1 USDC cannot be completed
- Swap failure — on-chain DEX liquidity insufficient or slippage too high, swapTransactionHash may be null
- Network congestion on Base chain causing transaction delays or failure
- Invalid wallet address or payment authorization failure
- Contract interaction error with BALD token contract 0x110B4ef11db22eEb3caFCB53a58b8B6B1bCDEb07

## How this service works

Buy 1 USDC worth of BALD tokens 0x110B4ef11db22eEb3caFCB53a58b8B6B1bCDEb07

## Output

Returns a message confirming the trade, the number of BALD tokens received, the USDC amount paid, and optionally the send transaction hash and swap transaction hash on the blockchain.

## 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/bald-x420-dev-b2368f9f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bald.x420.dev](https://www.zero.xyz/host/bald.x420.dev/llms.txt)