# X404 Token Purchase Payment

> X404 Token Purchase Payment is a paid API for AI agents from x404.page, paid per call via x402, $1/call, status unknown (last checked 2026-09-16).

Processes a USDC payment to purchase X404 meme tokens via the x402 payment protocol

## Facts

- Endpoint: POST https://x404.page/api/payment
- Price: $1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-16
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x404-token-purchase-payment-79f04228
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_cMdnHD3r6Ji8pVfa0DL4V

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 x404-token-purchase-payment-79f04228 -d '<json body>'
```

Example prompt: Buy me 1.5 USDC worth of X404 meme tokens on x404.page.

## When to prefer this

Use this endpoint when a user explicitly wants to purchase X404 meme tokens using USDC via the x402 payment protocol on x404.page. It is the sole purchase mechanism for X404 tokens on this platform.

## Known failure modes

- Insufficient USDC balance — payment cannot be completed
- Invalid amount format — must be a string representation of a decimal number
- Network or blockchain congestion causing transaction failure
- x402 protocol error if payment headers are missing or malformed
- Smart contract rejection if amount is below minimum threshold

## How this service works

Payment required to purchase X404 tokens

## Output

Returns a transaction hash, a success boolean, and a confirmation message indicating whether the USDC payment for X404 tokens was processed successfully on-chain.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "amount"
 ],
 "properties": {
  "amount": {
   "type": "string",
   "description": "Payment amount in USDC (e.g., 1.5)"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "txHash": "string",
 "message": "string",
 "success": "boolean"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x404-token-purchase-payment-79f04228/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x404.page](https://www.zero.xyz/host/x404.page/llms.txt)