# DealPulse Credit Card Rewards Optimizer

> DealPulse Credit Card Rewards Optimizer 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).

Finds the best credit card to maximize rewards points or cashback for a given spending category or purchase type

## Facts

- Endpoint: GET https://dealpulse-weld.vercel.app/api/deals/cards
- 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-credit-card-rewards-optimizer-db32fafd
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_vQnykfHD642lNKjExy7JK

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-credit-card-rewards-optimizer-db32fafd
```

Example prompt: Which credit card should I use at the grocery store to earn the most rewards or cashback right now?

## When to prefer this

Use this endpoint when a user wants to know which credit card to swipe for a specific type of purchase to maximize rewards. Ideal for shopping agents that need to recommend payment method at checkout, or personal finance agents building spend-optimization strategies.

## Known failure modes

- Unrecognized or ambiguous spending category returns no results or generic fallback
- Category too broad to differentiate card benefits
- Card data may be stale if issuer recently changed reward rates
- No cards in user's wallet match the optimal recommendation

## How this service works

Best credit card for a spending category / maximize cashback and points / which card to use. Finds the card that earns the most rewards (cashback, points, miles) for a given spending category and purchase. For shopping and rewards agents.

## Output

Returns the best credit card(s) for the specified spending category, including reward rate, reward type (cashback, points, miles), and how much value you earn per dollar spent.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "lang": {
   "type": "string",
   "description": "lang"
  },
  "category": {
   "type": "string",
   "description": "category"
  }
 }
}
```

## Response schema (JSON Schema)

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

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/dealpulse-credit-card-rewards-optimizer-db32fafd/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)