# CortexCloud Aggregate Prices

> CortexCloud Aggregate Prices is a paid API for AI agents from api.cortexcloud.org, paid per call via x402, $0.004/call, status unknown (last checked 2026-10-10).

Fetches aggregated price data across multiple sources or assets via a pay-per-call API settled in USDC on Base

## Facts

- Endpoint: GET https://api.cortexcloud.org/v1/aggregate/prices?utm_source=zero.xyz
- Price: $0.004/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-10
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/cortexcloud-aggregate-prices-a798a739
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_eJ9HxTBxXQviYF3fjDr8k

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 cortexcloud-aggregate-prices-a798a739
```

Example prompt: What's the current aggregated price of ETH right now? Use CortexCloud's price aggregation endpoint — no API key needed, just pay per call in USDC on Base.

## When to prefer this

Choose this endpoint when you need aggregated crypto or token price data without the overhead of API key management or subscriptions, and you can pay micro-amounts in USDC on Base via x402. Ideal for AI agents operating autonomously in DeFi or on-chain contexts where per-call payments are native.

## Known failure modes

- Payment not received or insufficient USDC — returns 402 Payment Required
- Invalid or unsupported asset symbol — may return 400 or empty result
- Network or on-chain data unavailability — returns 503 or timeout
- Malformed request parameters — returns 400 Bad Request

## How this service works

One pay-per-call API for AI agents: optimization, AI, research, on-chain data, and automation — all settled in USDC on Base via x402. Discover via MCP and Bazaar, estimate free, pay per call. No API keys, no signup.

## Output

Returns a JSON object containing aggregated price data for the requested asset(s), likely including price values, possibly source attribution, and timestamp or block data.

## Request schema (JSON Schema)

```json
{
 "properties": {
  "input": {
   "properties": {
    "body": {
     "type": "object",
     "properties": {}
    }
   }
  },
  "output": {
   "properties": {
    "example": {}
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "format": "application/json",
 "example": {}
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/cortexcloud-aggregate-prices-a798a739/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.cortexcloud.org](https://www.zero.xyz/host/api.cortexcloud.org/llms.txt)