# Synapse API — Metis Token Metadata Lookup

> Synapse API — Metis Token Metadata Lookup is a paid API for AI agents from synapse-api-brown.vercel.app, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-27).

Fetches on-chain token metadata (name, symbol, decimals, etc.) for a given contract address on the Metis blockchain network

## Facts

- Endpoint: POST https://synapse-api-brown.vercel.app/api/metis/token/metadata?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-27
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/synapse-api-metis-token-metadata-lookup-6becbff3
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_mx_5Cf9YXtoTwbXDdUXF6

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 synapse-api-metis-token-metadata-lookup-6becbff3 -d '<json body>'
```

Example prompt: Can you look up the token metadata — name, symbol, and decimals — for the contract address 0xDeadBeef1234... on the Metis blockchain?

## When to prefer this

Use this endpoint when you specifically need token metadata from the Metis (Metis Andromeda) blockchain network by contract address. Prefer this over generic blockchain APIs when targeting Metis specifically, or when you need a pay-per-call model without API key setup overhead.

## Known failure modes

- Invalid or malformed contract address returns an error or empty response
- Contract address does not exist on Metis network
- Contract is not a standard token contract (no name/symbol/decimals methods)
- Network connectivity or RPC node issues cause timeout
- Payment failure via x402 if insufficient USDC balance

## How this service works

High-speed API suite for AI processing, web scraping, and smart data utilities across 57+ blockchain networks. Pay-per-call via x402.

## Output

Returns on-chain token metadata for the specified Metis contract address, typically including token name, symbol, number of decimals, and possibly total supply or other ERC-20 standard fields stored in the contract.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "contractAddress": {
   "type": "string"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/synapse-api-metis-token-metadata-lookup-6becbff3/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from synapse-api-brown.vercel.app](https://www.zero.xyz/host/synapse-api-brown.vercel.app/llms.txt)