# DealPulse Price Comparison

> DealPulse Price Comparison is a paid API for AI agents from dealpulse-weld.vercel.app, paid per call via x402, $0.08/call, status unknown (last checked 2026-09-15).

Compares prices across major retailers for any product to find the cheapest current source in real time.

## Facts

- Endpoint: GET https://dealpulse-weld.vercel.app/api/deals/compare
- Price: $0.08/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/dealpulse-price-comparison-033aeb5b
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Dms3qeIqVHKw4X7GFHIE7

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 dealpulse-price-comparison-033aeb5b
```

Example prompt: Compare prices across all major retailers for the Sony WH-1000XM5 headphones and tell me which store has it cheapest right now.

## When to prefer this

Use this endpoint when you need a real-time, multi-retailer price comparison for a specific product and want to identify the single cheapest buying option right now. Prefer this over price history endpoints when the user wants to buy immediately rather than track trends, and over single-item deal endpoints when breadth of retailer coverage matters.

## Known failure modes

- Product not found or unrecognized product query returns empty or error response
- Retailer data temporarily unavailable causing incomplete comparison
- Ambiguous product query matching multiple products returns unclear results
- Rate limiting or payment failure returns 402 or 429 status
- Network timeout if retailer data sources are slow to respond

## How this service works

Price comparison / compare prices / cheapest retailer for a product. Compares the live price of a named item across major retailers worldwide to find the cheapest source, with buy links. For shopping and deal-hunting agents.

## Output

A list of prices for the specified product across major retailers, ranked to highlight the cheapest source, including retailer names and their respective prices.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/dealpulse-price-comparison-033aeb5b/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from dealpulse-weld.vercel.app](https://www.zero.xyz/host/dealpulse-weld.vercel.app/llms.txt)