# Price Compare via PriceRunner and Google Shopping

> Price Compare via PriceRunner and Google Shopping is a paid API for AI agents from api.strale.io, paid per call via x402, $0.216001/call, status unknown (last checked 2026-09-14).

Compares product prices across multiple merchants using PriceRunner (Nordic) and Google Shopping, returning lowest, highest, and average prices.

## Facts

- Endpoint: GET https://api.strale.io/x402/price-compare
- Price: $0.216001/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/api-strale-io-c0934e4f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_G2G6esCDjWV9Kxys6ApPn

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 api-strale-io-c0934e4f
```

Example prompt: What's the price range for 'Sony WH-1000XM5 headphones' across merchants in Sweden? I want to know the lowest, highest, and average prices available right now.

## When to prefer this

Use this endpoint when you need to compare retail prices for a specific product across multiple merchants, especially in Nordic markets (via PriceRunner) or globally (via Google Shopping). Ideal for finding the best deal, monitoring price ranges, or providing price intelligence to users. Prefer over manual scraping or single-retailer lookups.

## Known failure modes

- Product not found — returns empty or null price results
- Unsupported country code — may return no results or error
- Rate limiting or quota exceeded — HTTP 429
- Invalid or missing product query — HTTP 400 or validation error
- Payment not processed — HTTP 402 if USDC payment fails

## How this service works

Compare prices across merchants via PriceRunner (Nordic) and Google Shopping. Returns lowest/highest/average prices.

## Output

Returns a set of price data including the lowest, highest, and average prices found for the product across PriceRunner (Nordic) and Google Shopping merchant listings, along with relevant merchant details.

## Example request

```json
{
 "country": "SE",
 "product": "laptop"
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "product"
 ],
 "properties": {
  "country": {
   "type": "string"
  },
  "product": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "prices": {
  "type": "array"
 },
 "lowest_price": {
  "type": "object"
 },
 "average_price": {
  "type": "number"
 },
 "highest_price": {
  "type": "object"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/api-strale-io-c0934e4f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.strale.io](https://www.zero.xyz/host/api.strale.io/llms.txt)