# StableProducts Channel3 URL Lookup

> StableProducts Channel3 URL Lookup is a paid API for AI agents from stableproduct.dev, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-19).

Look up a Channel3 product by URL, returning catalog data with optional raw content and staleness control.

## Facts

- Endpoint: POST https://stableproduct.dev/api/channel3/lookup?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-19
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/stableproducts-channel3-url-lookup-4a416e4c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_bAnLW7r8IQeAeQTsyEFI7

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 stableproducts-channel3-url-lookup-4a416e4c -d '<json body>'
```

Example prompt: Look up the Channel3 catalog entry for https://www.amazon.com/dp/B09X67JBQK and include the raw content, but only use data that's no more than 6 hours old.

## When to prefer this

Use this endpoint when you have a specific product page URL and want to retrieve structured Channel3 catalog data for that exact product. Prefer this over brand search or product-ID lookup when the URL is your primary identifier. The max_staleness_hours parameter makes it suitable for freshness-sensitive pipelines.

## Known failure modes

- URL not found in Channel3 catalog — returns empty or 404-equivalent response
- URL is malformed or not a valid URI — validation error
- Cached data exceeds max_staleness_hours and live fetch fails — may return stale or error
- Payment not provided or insufficient — x402 payment required error
- Upstream product page unavailable — cannot refresh stale record

## How this service works

Product catalog APIs powered by x402.

## Output

Returns a Channel3 product catalog record for the given URL, including structured product metadata and optionally the raw page content. The freshness of the data is controlled by max_staleness_hours, which defaults to 3 hours.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "url": {
   "type": "string",
   "format": "uri"
  },
  "include_raw": {
   "type": "boolean"
  },
  "max_staleness_hours": {
   "type": "integer",
   "default": 3,
   "maximum": 9007199254740991,
   "minimum": 1
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/stableproducts-channel3-url-lookup-4a416e4c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from stableproduct.dev](https://www.zero.xyz/host/stableproduct.dev/llms.txt)