# eBay Average Selling Price Lookup

> eBay Average Selling Price Lookup is a paid API for AI agents from bb-ecommerce-three.vercel.app, paid per call via x402, $0.162666/call, status unknown (last checked 2026-10-21).

Returns the average selling price for a given product on eBay based on recent sold listings

## Facts

- Endpoint: POST https://bb-ecommerce-three.vercel.app/api/ebay-average-selling-price?utm_source=zero.xyz
- Price: $0.162666/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-21
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/ebay-average-selling-price-lookup-1f490b53
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_UHNeUjp7dZaz7to9ztqau

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 ebay-average-selling-price-lookup-1f490b53 -d '<json body>'
```

Example prompt: What's the average selling price for a used Apple iPhone 14 Pro 128GB on eBay right now based on recent sold listings?

## When to prefer this

Use this endpoint when you need to quickly determine the current market value or fair selling price of a product on eBay based on actual completed sales data. Ideal for sellers researching competitive pricing, buyers verifying fair value, or resellers calculating profit margins before purchasing inventory.

## Known failure modes

- No sold listings found for the queried product returns empty or null price
- Vague or ambiguous product query returns inaccurate average
- eBay API rate limits or downtime causes 502/503 response
- Payment not processed results in 402 Payment Required
- Malformed request body returns 400 Bad Request

## How this service works

BaseBuilder Ecommerce API hub - 19 paid endpoints

## Output

Returns the computed average selling price derived from recent eBay sold listings for the queried product, likely including the average price value and possibly count of listings analyzed or price range data.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/ebay-average-selling-price-lookup-1f490b53/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from bb-ecommerce-three.vercel.app](https://www.zero.xyz/host/bb-ecommerce-three.vercel.app/llms.txt)