# OpenWeb Ninja — Realtime Product Price History v2

> OpenWeb Ninja — Realtime Product Price History v2 is a paid API for AI agents from x402.openwebninja.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-14).

Retrieves historical price data for a specific product via real-time web scraping, payable per call over x402 with no API key required.

## Facts

- Endpoint: GET https://x402.openwebninja.com/realtime-product-search/v2/product-price-history-v2
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/openweb-ninja-realtime-product-price-history-v2-096fbf69
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_9LSHrIGqk-aXHbdQIy1LZ

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 openweb-ninja-realtime-product-price-history-v2-096fbf69
```

Example prompt: Can you pull up the price history for this product — https://www.amazon.com/dp/B08N5WRWNW — so I can see how the price has changed over the past few months and whether now is a good time to buy?

## When to prefer this

Choose this endpoint when you need historical price data for e-commerce products without setting up an account or API key, and you want pay-per-call pricing at $0.003 USDC. It's ideal for agents that occasionally need price history without committing to a subscription, or for building price-tracking workflows that are billed only on usage via x402.

## Known failure modes

- Product not found or unsupported retailer returns empty or error response
- Invalid product URL or identifier returns 400-level error
- Real-time scraping temporarily fails due to retailer blocking, returning 5xx or empty result
- Insufficient USDC balance or x402 payment failure prevents the call from completing
- Price history unavailable for newly listed products with no historical data

## How this service works

40+ public web-data, SERP, e-commerce, real-estate, finance and AI-search APIs, payable per call over x402 (USDC on Base, Polygon, Arbitrum). No account or API key required. Most endpoints $0.003; AI-model endpoints $0.005.

## Output

Returns a JSON object containing historical price data points for the specified product, including timestamps and corresponding prices, enabling trend analysis and buy-timing decisions.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/openweb-ninja-realtime-product-price-history-v2-096fbf69/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.openwebninja.com](https://www.zero.xyz/host/x402.openwebninja.com/llms.txt)