# x402 Alert Gold & Silver Price API

> x402 Alert Gold & Silver Price API is a paid API for AI agents from x402-alert.vercel.app, paid per call via x402, $0.06/call, status unknown (last checked 2026-09-14).

Returns current gold and silver spot prices, paid via USDC on Base using the x402 protocol.

## Facts

- Endpoint: POST https://x402-alert.vercel.app/api/gold-silver
- Price: $0.06/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-alert-gold-silver-price-api-97d7178b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Oz9u7VEXeAaYWZaDasNhn

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 x402-alert-gold-silver-price-api-97d7178b -d '<json body>'
```

Example prompt: What are the current spot prices for gold and silver? I want to check them now for my portfolio dashboard.

## When to prefer this

Choose this endpoint when you need current gold and silver spot prices in a pay-per-call model using USDC on Base via x402 protocol — ideal for agents that want micro-payment-gated commodity data without subscription overhead. Prefer over free alternatives when you need reliable, on-demand pricing with guaranteed access.

## Known failure modes

- Payment failure if insufficient USDC balance on Base — returns 402 Payment Required
- Upstream data provider outage resulting in stale or unavailable price data
- Malformed request body returning 400 Bad Request
- Rate limiting or quota exhaustion returning 429 Too Many Requests

## How this service works

14 paid financial API endpoints. Pay with USDC on Base using x402 protocol.

## Output

Returns a result object containing current spot price data for gold and silver, typically including price values in USD per troy ounce or similar standard unit.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "example": {
  "result": {
   "data": "example response"
  }
 },
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-alert-gold-silver-price-api-97d7178b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-alert.vercel.app](https://www.zero.xyz/host/x402-alert.vercel.app/llms.txt)