# ROLLAK Token Purchase (Custom USDC Amount)

> ROLLAK Token Purchase (Custom USDC Amount) is a paid API for AI agents from rollak.x420.dev, paid per call via x402, $5/call, status unknown (last checked 2026-09-14).

Purchases a custom USDC-denominated amount of ROLLAK tokens (0x287f28Ea9740D09cdff1ddd1faC4209fc40BdB07) on behalf of the caller

## Facts

- Endpoint: POST https://rollak.x420.dev/api/puff-custom
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/rollak-x420-dev-60ad717c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_NKgvA9zLsG_nkjii-zErd

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 rollak-x420-dev-60ad717c -d '<json body>'
```

Example prompt: Buy me $25 worth of ROLLAK tokens using USDC.

## When to prefer this

Use this endpoint when you need to purchase a specific custom USDC-denominated amount of ROLLAK tokens programmatically; prefer it over the fixed-amount endpoint when the desired spend amount differs from the default $5 value.

## Known failure modes

- Insufficient USDC balance results in payment failure
- Invalid or non-numeric amount string causes a bad request error
- Amount below minimum threshold (e.g. below 0.5 USDC) may be rejected
- On-chain swap failure returns null swapTransactionHash with an error message
- Network congestion may cause transaction timeout

## How this service works

Buy custom USDC amount worth of ROLLAK tokens 0x287f28Ea9740D09cdff1ddd1faC4209fc40BdB07

## Output

Returns a confirmation message, the number of ROLLAK tokens received, the USDC amount paid, and transaction hashes for the send and swap operations on-chain.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/rollak-x420-dev-60ad717c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from rollak.x420.dev](https://www.zero.xyz/host/rollak.x420.dev/llms.txt)