# Open Food Facts Product Search by Store

> Open Food Facts Product Search by Store is a paid API for AI agents from clonecho.builda.company, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-14).

Searches Open Food Facts database for food products associated with a given store tag, returning matching product records as JSON.

## Facts

- Endpoint: POST https://clonecho.builda.company/x402/s/off-products-by-store
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/open-food-facts-product-search-by-store-0f15cc09
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_WYxkQHXZlMkpqlOYJhkdL

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 open-food-facts-product-search-by-store-0f15cc09 -d '<json body>'
```

Example prompt: Can you search Open Food Facts for food products tagged to the store 'Walmart' and show me what comes back?

## When to prefer this

Use this endpoint when you need to retrieve food product records filtered by store or retailer tag from the Open Food Facts open database. Prefer this over general product search when the store affiliation is the primary filter criterion.

## Known failure modes

- No products found for the given store tag — empty result set returned
- Invalid or unrecognized store tag returns empty or error response
- Payment of $0.02 USDC not fulfilled — 402 Payment Required error
- Network timeout or upstream Open Food Facts API unavailability
- Malformed query parameter results in error response

## How this service works

Search Open Food Facts for food products matching the store tag {q}, returning product records. Query: ?q= Returns JSON.

## Output

A JSON array of food product records from Open Food Facts that match the given store tag, including product names, identifiers, and associated metadata for each matching item.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/open-food-facts-product-search-by-store-0f15cc09/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from clonecho.builda.company](https://www.zero.xyz/host/clonecho.builda.company/llms.txt)