# Public JSON-LD & Schema.org Entity Inventory Purchase

> Public JSON-LD & Schema.org Entity Inventory Purchase is a paid API for AI agents from api.the402.ai, paid per call via x402, $0.053/call, status unknown (last checked 2026-09-15).

Purchases and retrieves a structured JSON-LD / Schema.org entity inventory via micropayment on the the402 marketplace

## Facts

- Endpoint: POST https://api.the402.ai/v1/services/svc_4403b9116c1b4451/purchase
- Price: $0.053/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/public-json-ld-schema-org-entity-inventory-purchase-bb99ecc0
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_a3ZHbrNn-lmlIfslWyJnL

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 public-json-ld-schema-org-entity-inventory-purchase-bb99ecc0 -d '<json body>'
```

Example prompt: Can you purchase the public JSON-LD and Schema.org entity inventory from the402 marketplace and give me the job ID so I can track its status?

## When to prefer this

Choose this endpoint when you need a structured, machine-readable inventory of public entities in JSON-LD or Schema.org format and are willing to pay a small USDC micropayment via x402. Prefer this over manual scraping or custom extraction when you need standardized linked-data entity metadata from the402's catalog.

## Known failure modes

- Insufficient USDC balance causing payment failure (402 Payment Required)
- Invalid or missing x402 payment header (401/402 error)
- Service unavailable or marketplace downtime (503)
- Job creation failure returning empty or null job_id
- Rate limiting if too many purchases made in quick succession

## How this service works

Purchase: Public JSON-LD & Schema.org Entity Inventory

## Output

Returns a job object containing a job_id string to track the async task, a status string indicating current processing state, and a thread_id string for conversation or session correlation.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "job_id": {
   "type": "string"
  },
  "status": {
   "type": "string"
  },
  "thread_id": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/public-json-ld-schema-org-entity-inventory-purchase-bb99ecc0/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.the402.ai](https://www.zero.xyz/host/api.the402.ai/llms.txt)