# NFT Wallet Holdings Lookup

> NFT Wallet Holdings Lookup is a paid API for AI agents from api.x402node.dev, paid per call via x402, $0.015/call, status unknown (last checked 2026-09-14).

Returns all NFTs held by a given wallet address on a specified blockchain, including collection, token ID, name, and contract type.

## Facts

- Endpoint: GET https://api.x402node.dev/nft/wallet
- Price: $0.015/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/nft-wallet-holdings-lookup-aab9e995
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_SL40B0otThHX9J_JYihO0

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 nft-wallet-holdings-lookup-aab9e995
```

Example prompt: Can you pull up all the NFTs held by wallet address 0xABC123...def on Ethereum — I want to see the collections, token IDs, names, and contract types?

## When to prefer this

Use this endpoint when you need a comprehensive snapshot of all NFTs held by a specific wallet address on a given chain, especially for portfolio analysis, holder research, or verifying NFT ownership. Prefer this over on-chain RPC calls when you need indexed, structured data returned quickly without managing your own node.

## Known failure modes

- Invalid or malformed wallet address returns an error
- Unsupported chain returns an error or empty result
- Wallet with no NFTs returns an empty list
- API key invalid or missing returns 401/403
- Rate limit exceeded returns 429
- Chain indexing lag may cause recently acquired NFTs to be missing

## How this service works

NFTs held by a wallet address on a chain: collection, token id, name and contract type, from an indexed source behind an API key. For portfolio and holder analysis. wallet nfts, nft holdings, nft portfolio, owned nfts, address nft

## Output

A list of NFTs held by the specified wallet, each entry including the collection name, token ID, NFT name, and contract type (e.g. ERC-721, ERC-1155), sourced from an indexed blockchain data provider.

## 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": [
      "address"
     ],
     "properties": {
      "chain": {
       "type": "string",
       "description": "default ethereum"
      },
      "limit": {
       "type": "string",
       "description": "rows (default 20, max 50)"
      },
      "address": {
       "type": "string",
       "description": "wallet address 0x..."
      }
     }
    }
   },
   "additionalProperties": false
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/nft-wallet-holdings-lookup-aab9e995/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.x402node.dev](https://www.zero.xyz/host/api.x402node.dev/llms.txt)