# GEDX402 Social – SociaVault Facebook Marketplace Item Lookup

> GEDX402 Social – SociaVault Facebook Marketplace Item Lookup is a paid API for AI agents from social.gedx402.com, paid per call via x402, $0.014/call, status unknown (last checked 2026-09-14).

Fetches data for a specific Facebook Marketplace listing by item ID or URL via the SociaVault social data proxy, billed per call with x402 micropayment.

## Facts

- Endpoint: GET https://social.gedx402.com/v1/sociavault/facebook-marketplace/item
- Price: $0.014/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/gedx402-social-sociavault-facebook-marketplace-item-lookup-9fd98a3d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Eyg_1yk2LKZue4ftzD9nc

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 gedx402-social-sociavault-facebook-marketplace-item-lookup-9fd98a3d
```

Example prompt: Can you pull the full listing details for this Facebook Marketplace item — here's the URL: https://www.facebook.com/marketplace/item/123456789?

## When to prefer this

Use this endpoint when you need structured data for a specific Facebook Marketplace listing and have either the item ID or full URL. Prefer this over general web scraping when you want a pay-per-call micropayment model with no subscription, and when SociaVault's proxy provides reliable access to Facebook data that would otherwise be blocked.

## Known failure modes

- Invalid or expired Facebook Marketplace item ID/URL returns empty data or error
- Item removed from Facebook Marketplace results in failure or empty response
- Rate limits or access restrictions from Facebook may cause proxy failures
- Malformed input (missing both id and url) likely returns a 400 or error response
- x402 payment failure prevents the call from being processed

## How this service works

SociaVault social data ingest — profile, posts, transcript, and full API proxy. One x402 payment per outcome.

## Output

Returns a JSON object with a 'data' field containing the Facebook Marketplace item's structured listing data (title, price, description, seller info, images, etc.), a 'success' boolean, and the provider name 'sociavault'.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "id": {
   "type": "string"
  },
  "url": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {},
  "success": true,
  "provider": "sociavault"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/gedx402-social-sociavault-facebook-marketplace-item-lookup-9fd98a3d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from social.gedx402.com](https://www.zero.xyz/host/social.gedx402.com/llms.txt)