# OpenWeb Ninja — Amazon Promo Code Details

> OpenWeb Ninja — Amazon Promo Code Details is a paid API for AI agents from x402.openwebninja.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-15).

Fetches real-time promotional code details for Amazon products, including discount amounts, validity, and applicability.

## Facts

- Endpoint: GET https://x402.openwebninja.com/realtime-amazon-data/promo-code-details
- Price: $0.003/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/openweb-ninja-amazon-promo-code-details-5b9064a3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6QtQAec1W5J0dSQhDae5Y

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 openweb-ninja-amazon-promo-code-details-5b9064a3
```

Example prompt: Can you look up the details for Amazon promo code SAVE20NOW — I want to know the discount amount, what products it applies to, and whether it's still valid?

## When to prefer this

Choose this endpoint when you need real-time Amazon promotional code details without setting up an account or API key — ideal for agents automating coupon validation, price optimization, or deal discovery on Amazon. Prefer over scraping directly when you need structured data payable per-call at $0.003 USDC via x402 protocol.

## Known failure modes

- Invalid or expired promo code returns empty or error response
- Promo code not found on Amazon returns null result
- Rate limiting if too many requests in short succession
- Incomplete schema means required parameters may not be clearly documented, leading to malformed requests
- Payment failure via x402 if insufficient USDC balance

## How this service works

40+ public web-data, SERP, e-commerce, real-estate, finance and AI-search APIs, payable per call over x402 (USDC on Base, Polygon, Arbitrum). No account or API key required. Most endpoints $0.003; AI-model endpoints $0.005.

## Output

Returns structured JSON with promotional code details including discount type (percentage or fixed amount), discount value, expiration date, applicable product categories or ASINs, usage limits, and current validity status.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "required": {
   "type": "string"
  },
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/openweb-ninja-amazon-promo-code-details-5b9064a3/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.openwebninja.com](https://www.zero.xyz/host/x402.openwebninja.com/llms.txt)