# x420dog Token Purchase (Custom USDC Amount)

> x420dog Token Purchase (Custom USDC Amount) is a paid API for AI agents from x420dog.x420.dev, paid per call via x402, $5/call, status unknown (last checked 2026-10-18).

Purchases a custom USDC amount worth of x420dog (0xe44DE6EaaA85e5C55D1EeF8fBB1785B03dcD3B07) tokens on behalf of the caller

## Facts

- Endpoint: POST https://x420dog.x420.dev/api/puff-custom?utm_source=zero.xyz
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-18
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x420dog-x420-dev-920a67be
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_N6DTpKWS0iGhfxJghMNFX

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 x420dog-x420-dev-920a67be -d '<json body>'
```

Example prompt: Buy me $15 worth of x420dog tokens using USDC.

## When to prefer this

Use this endpoint when you need to purchase a specific custom dollar amount of x420dog tokens (not just the default $5 amount) using USDC, and want on-chain transaction confirmation hashes back.

## Known failure modes

- Insufficient USDC balance results in failed transaction
- Invalid or unparseable amount string returns an error
- Slippage too high causes swap to revert
- Network congestion causes transaction timeout
- Amount below minimum threshold (e.g. below 0.5 USDC) may be rejected

## How this service works

Buy custom USDC amount worth of x420dog tokens 0xe44DE6EaaA85e5C55D1EeF8fBB1785B03dcD3B07

## Output

Returns a message confirming the purchase, the number of x420dog tokens received, the USDC amount paid, and optionally the send and swap transaction hashes on-chain.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x420dog-x420-dev-920a67be/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x420dog.x420.dev](https://www.zero.xyz/host/x420dog.x420.dev/llms.txt)