# Zerion API - Fungible Asset Detail Lookup

> Zerion API - Fungible Asset Detail Lookup is a paid API for AI agents from api.zerion.io, paid per call via x402, $0.01/call, status unknown (last checked 2026-09-29).

Retrieves detailed on-chain metadata and attributes for a specific fungible token by its Zerion fungible asset ID

## Facts

- Endpoint: GET https://api.zerion.io/v1/fungibles/%7Bfungible_id%7D?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-29
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/zerion-api-fungible-asset-detail-lookup-05434f8c
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_lOQmj4Avb1MeNWRoN3C1n

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 zerion-api-fungible-asset-detail-lookup-05434f8c
```

Example prompt: Can you pull up the full details for the fungible asset with Zerion ID 'eth-ethereum' — I need its attributes and metadata?

## When to prefer this

Use this endpoint when you have a known Zerion fungible asset ID and need structured token metadata, attributes, or type information for a specific asset. Prefer this over the contract-address lookup endpoint when you already have the Zerion-native ID. Use the search/list tokens sibling endpoint when you need to discover or search for tokens first.

## Known failure modes

- Invalid or unknown fungible_id returns a 404 not found error
- Missing payment header or insufficient USDC balance returns a 402 Payment Required
- Malformed fungible_id format may return a 400 bad request
- Rate limiting or quota exhaustion returns a 429 error
- Network or upstream chain data unavailability may cause 503 errors

## How this service works

Interpreted wallet data for more than 40 chains and Solana: portfolios, DeFi positions, PnL, transactions and NFTs. REST for apps, x402 pay-per-call for agents.

## Output

Returns a JSON object containing the fungible asset's resource ID, resource type, and a rich attributes object with token metadata as documented at developers.zerion.io, plus a self-link for the resource.

## 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"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "fungible_id"
     ],
     "properties": {
      "fungible_id": {
       "type": "string",
       "description": "Fungible asset ID"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object",
     "required": [
      "data"
     ],
     "properties": {
      "data": {
       "type": "object",
       "properties": {
        "id": {
         "type": "string",
         "description": "Resource ID."
        },
        "type": {
         "type": "string",
         "description": "Resource type."
        },
        "attributes": {
         "type": "object",
         "description": "Resource attributes; see https://developers.zerion.io"
        }
       }
      },
      "links": {
       "type": "object",
       "description": "Self and pagination links."
      }
     }
    }
   }
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json",
 "example": {
  "data": {
   "id": "<resource id>",
   "type": "<resource type>",
   "attributes": {}
  },
  "links": {
   "self": "https://api.zerion.io/v1/..."
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/zerion-api-fungible-asset-detail-lookup-05434f8c/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.zerion.io](https://www.zero.xyz/host/api.zerion.io/llms.txt)