# Cambrian x402 EVM Price (Hourly)

> Cambrian x402 EVM Price (Hourly) is a paid API for AI agents from x402.cambrian.org, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-15).

Returns hourly price data for EVM blockchain tokens or assets, delivered pay-per-use via x402 micropayment.

## Facts

- Endpoint: GET https://x402.cambrian.org/evm/price-hour
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/cambrian-x402-evm-price-hourly-001b2b90
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_nJJ2u91C1tl-bwlWSbRhl

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 cambrian-x402-evm-price-hourly-001b2b90
```

Example prompt: What's the hourly price data for USDC on the EVM chain right now? Pull it from Cambrian's x402 price feed.

## When to prefer this

Choose this endpoint when an autonomous agent needs pay-per-use, real-time or recent hourly EVM token price data without committing to a subscription. It is ideal for AI agents operating on tight cost budgets, needing on-demand blockchain price feeds, or integrating with the x402 micropayment protocol on Coinbase-curated infrastructure.

## Known failure modes

- Missing or invalid query parameters returns an empty or malformed array
- Payment not completed via x402 results in a 402 Payment Required response before data is returned
- Unsupported token or chain returns an empty array or error
- Rate limiting or network issues may cause timeouts
- Stale or unavailable on-chain data may return outdated price entries

## How this service works

Pay-per-use blockchain and social data for autonomous agents.

## Output

An array of hourly price records for the queried EVM token or asset, containing price values indexed by time period. The response is a JSON array suitable for time-series analysis, charting, or downstream trading logic.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "queryParams": {
     "type": "object",
     "additionalProperties": true
    }
   }
  },
  "output": {
   "type": "object",
   "properties": {
    "example": {
     "type": "array"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "array"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/cambrian-x402-evm-price-hourly-001b2b90/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.cambrian.org](https://www.zero.xyz/host/x402.cambrian.org/llms.txt)