# Coin Railz Token Metadata

> Coin Railz Token Metadata is a paid API for AI agents from coinrailz.com, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).

Retrieves unified token metadata (name, symbol, decimals, contract info, chain details) across all supported blockchain networks

## Facts

- Endpoint: POST https://coinrailz.com/x402/token-metadata
- Price: $0.1/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/coin-railz-token-metadata-c3c41ade
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_FQglLyY0OZxeC_du0IXoH

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 coin-railz-token-metadata-c3c41ade -d '<json body>'
```

Example prompt: Can you pull the full token metadata for USDC on Base — I need the contract address, decimals, symbol, and token standard so I can build out the trading interface.

## When to prefer this

Use this endpoint when you need authoritative, cross-chain token metadata (name, symbol, decimals, contract details) as a foundational building block for trading UIs, transaction builders, or DeFi agents — especially when you need consistent data across multiple chains in a single call rather than querying individual chain RPC nodes.

## Known failure modes

- Unknown or unsupported token contract address returns error or empty result
- Unsupported blockchain network returns failure response
- Malformed contract address input causes validation error
- Token not indexed yet on a newly deployed contract
- Rate limiting or payment failure (x402) if USDC payment not properly attached

## How this service works

Unified token info across all chains - essential building block for trading agent UIs (B2B2C infrastructure)

## Output

A JSON object containing unified token metadata for the queried token across chains, including fields such as token name, symbol, decimal precision, contract address, chain ID, token standard (e.g. ERC-20), and a success status with timestamp.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "query": {
   "type": "string",
   "description": "Query parameter for the service"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "application/json",
 "format": "json",
 "example": {
  "result": "Service executed successfully",
  "service": "token-metadata",
  "success": true,
  "timestamp": "2026-02-07T01:49:21.870Z"
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/coin-railz-token-metadata-c3c41ade/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from coinrailz.com](https://www.zero.xyz/host/coinrailz.com/llms.txt)