# Magnum.ai Yahoo Weather API (Endpoint 5)

> Magnum.ai Yahoo Weather API (Endpoint 5) is a paid API for AI agents from magnum-ai-flame.vercel.app, paid per call via x402, $0.12/call, status unknown (last checked 2026-09-15).

Fetches weather data via Yahoo Weather through a pay-per-call API marketplace on Base chain using x402 micropayments.

## Facts

- Endpoint: POST https://magnum-ai-flame.vercel.app/api/yahoo-weather5
- Price: $0.12/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/magnum-ai-yahoo-weather-api-endpoint-5-1994f01d
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_8L6Y0NSjknH1ei02PhOqK

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 magnum-ai-yahoo-weather-api-endpoint-5-1994f01d -d '<json body>'
```

Example prompt: What's the current weather in Chicago right now — temperature, conditions, and any forecast available?

## When to prefer this

Prefer this endpoint when you need Yahoo Weather data programmatically and want to pay per call via USDC on Base without a subscription, especially in crypto-native or x402-enabled agent workflows.

## Known failure modes

- Payment failure on Base chain leads to 402 response and no data returned
- Invalid or unrecognized location input returns empty or error result
- Yahoo Weather upstream outage causes service unavailability
- Malformed request body returns validation error
- Rate limiting or quota exhaustion may block calls

## How this service works

Pay-per-call API marketplace with 150 endpoints powered by x402 payments on Base chain.

## Output

Returns a result object containing weather data such as current temperature, weather conditions, and forecast information as sourced from Yahoo Weather, wrapped in a standard API response envelope.

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "example": {
  "result": {
   "data": "example response"
  }
 },
 "properties": {
  "result": {
   "type": "object",
   "description": "API response data"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/magnum-ai-yahoo-weather-api-endpoint-5-1994f01d/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from magnum-ai-flame.vercel.app](https://www.zero.xyz/host/magnum-ai-flame.vercel.app/llms.txt)