# 402.com.tr ERC-20 Wallet Portfolio

> 402.com.tr ERC-20 Wallet Portfolio is a paid API for AI agents from 402.com.tr, paid per call via x402, $0.02/call, status unknown (last checked 2026-09-13).

Returns the complete ERC-20 token portfolio for a Base wallet address, including balances, token metadata, and live USD valuations with a total, powered by Alchemy.

## Facts

- Endpoint: GET https://402.com.tr/api/x402/wallet-portfolio
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-13
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/402-com-tr-erc-20-wallet-portfolio-01afb9f1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_MaAJgHD3may-s2LoYhBD4

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 402-com-tr-erc-20-wallet-portfolio-01afb9f1
```

Example prompt: Can you show me every ERC-20 token held by the Base wallet 0x742d35Cc6634C0532925a3b8D4C9C0A7d9e1234 along with their current USD values and the total portfolio worth?

## When to prefer this

Use this endpoint when you need a comprehensive, live ERC-20 portfolio snapshot for a Base chain address — especially when you need every non-zero token (not just curated/major tokens) with USD valuations. Prefer this over manual token lookups or on-chain queries when breadth and live pricing are both required.

## Known failure modes

- Invalid or malformed wallet address returns an error
- Non-Base (e.g. Ethereum mainnet) addresses may return empty or irrelevant results
- Tokens with no price data may have null or zero USD values
- Payment failure (insufficient USDC balance) blocks the request
- Rate limiting or Alchemy upstream errors may cause 5xx responses
- Very new or obscure tokens may be missing metadata

## How this service works

Complete ERC-20 portfolio for a Base address — every non-zero token with balance, metadata and live USD value, plus a total. Token discovery via CDP Data API (Coinbase) with Alchemy fallback; USD from DexScreener.

## Output

A list of every non-zero ERC-20 token held by the specified Base wallet, each with balance, token metadata (name, symbol, decimals, logo), and live USD value, plus a grand total USD portfolio value.

## 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"
    },
    "pathParams": {
     "type": "object"
    },
    "queryParams": {
     "type": "object",
     "required": [
      "address"
     ],
     "properties": {
      "address": {
       "type": "string",
       "description": "Wallet address"
      }
     }
    }
   },
   "additionalProperties": false
  },
  "output": {
   "type": "object",
   "required": [
    "type"
   ],
   "properties": {
    "type": {
     "type": "string"
    },
    "example": {
     "type": "object"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/402-com-tr-erc-20-wallet-portfolio-01afb9f1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from 402.com.tr](https://www.zero.xyz/host/402.com.tr/llms.txt)