# Allium Token Lookup by Chain and Address

> Allium Token Lookup by Chain and Address is a paid API for AI agents from agents.allium.so, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-15).

Look up token metadata and details for a specific token by its blockchain network and contract address

## Facts

- Endpoint: POST https://agents.allium.so/api/v1/developer/tokens/chain-address
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/agents-allium-so-4e926391
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_-Kwh_POeodS5MDPdsPWKT

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 agents-allium-so-4e926391 -d '<json body>'
```

Example prompt: What token is deployed at contract address 0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48 on Ethereum? I need the name, symbol, and decimals.

## When to prefer this

Use this endpoint when you have a specific token contract address and need to resolve its metadata (name, symbol, decimals) on a particular blockchain. Prefer this over the name/symbol search endpoint when you already know the exact contract address and want precise, unambiguous token identification rather than a fuzzy name search.

## Known failure modes

- Token contract address not found on specified chain — returns empty or null result
- Invalid chain identifier — returns error indicating unsupported or unrecognized chain
- Malformed contract address — returns validation error
- Contract exists but is not a recognized token standard — may return partial or no metadata
- Rate limit or payment failure — returns 402 or 429 error

## How this service works

Look up tokens by chain and address

## Output

Returns token metadata for the specified contract address on the given chain, including token name, symbol, decimals, and other identifying information about the token contract.

## Example request

```json
[
 {
  "chain": "ethereum",
  "token_address": "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48"
 }
]
```

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "required": [
    "type",
    "bodyType",
    "body",
    "method"
   ],
   "properties": {
    "body": {
     "type": "object",
     "required": [
      "token_address",
      "chain"
     ],
     "properties": {
      "chain": {
       "type": "string",
       "description": "Blockchain network (e.g. ethereum, solana, base)"
      },
      "token_address": {
       "type": "string",
       "description": "Token contract address"
      }
     }
    },
    "type": {
     "type": "string",
     "const": "http"
    },
    "method": {
     "enum": [
      "POST"
     ],
     "type": "string"
    },
    "bodyType": {
     "enum": [
      "json"
     ],
     "type": "string"
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": [
  {
   "info": {
    "name": "Wrapped Ether",
    "symbol": "WETH"
   },
   "type": "evm_erc20",
   "chain": "ethereum",
   "price": 2500.5,
   "object": "token",
   "address": "0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2",
   "decimals": 18
  }
 ]
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/agents-allium-so-4e926391/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from agents.allium.so](https://www.zero.xyz/host/agents.allium.so/llms.txt)