# ChainRay Cross-Chain Address Lookup

> ChainRay Cross-Chain Address Lookup is a paid API for AI agents from chainray.online, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-08).

Retrieves on-chain data and intelligence for a given wallet or contract address across multiple blockchain networks

## Facts

- Endpoint: GET https://chainray.online/cross-chain/%7Baddress%7D
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-08
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/chainray-cross-chain-address-lookup-52a54050
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_Mc3cirtdx-1XfnJYlFJJv

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 chainray-cross-chain-address-lookup-52a54050
```

Example prompt: Can you pull the cross-chain on-chain intelligence for wallet address 0x742d35Cc6634C0532925a3b8D4C9C6A3 across all available chains using ChainRay?

## When to prefer this

Use this endpoint when you need unified cross-chain intelligence for a specific wallet or contract address and want to avoid querying multiple chain-specific APIs. Best suited for multi-chain portfolio views, DeFi analytics, and on-chain due diligence across up to 46 chains in a single request.

## Known failure modes

- Invalid or malformed wallet/contract address returns an error
- Unsupported chain identifier returns an error or empty result
- Address not found on specified chain returns empty data
- Rate limiting or payment failure returns 402 Payment Required
- Network timeout for chains with slow RPC response

## How this service works

The most complete blockchain data and intelligence service for AI agents. 93 endpoints across 46 chains, from gas fees to DeFi analytics, with real-time streams, intent routing, and verifiable proofs. Pay-per-request via x402.

## Output

On-chain intelligence data for the specified address including activity, balances, DeFi positions, and other analytics aggregated across multiple blockchain networks (up to 46 chains supported).

## Example request

```json
{
 "input": {
  "type": "http",
  "method": "GET",
  "queryParams": {
   "chain": "ethereum",
   "address": "0x742d35Cc6634C0532925a3b8D4C9C6A3A1B2C3D4"
  }
 }
}
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "method"
   ],
   "properties": {
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "GET"
     ],
     "type": "string"
    },
    "pathParams": {
     "type": "object"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "address"
     ],
     "properties": {
      "chain": {
       "type": "string",
       "description": "Blockchain network"
      },
      "address": {
       "type": "string",
       "description": "Wallet or contract address"
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/chainray-cross-chain-address-lookup-52a54050/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from chainray.online](https://www.zero.xyz/host/chainray.online/llms.txt)