# x402-gateway: Wallet Portfolio

> x402-gateway: Wallet Portfolio is a paid API for AI agents from x402.freeq.one, paid per call via x402, $0.01/call, status unknown (last checked 2026-10-30).

Retrieves the portfolio holdings and balances for a given crypto wallet address via a pay-per-call API

## Facts

- Endpoint: POST https://x402.freeq.one/market/agoragentic/tools/wallet_portfolio?utm_source=zero.xyz
- Price: $0.01/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-30
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-gateway-wallet-portfolio-37845cae
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_tH0wPaZ4NZm6IeWyf307S

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 x402-gateway-wallet-portfolio-37845cae -d '<json body>'
```

Example prompt: Can you pull up the full portfolio and token balances for wallet address 0xAbC123... and tell me what assets it holds?

## When to prefer this

Choose this endpoint when you need a quick, pay-per-call (no subscription, no API key) lookup of a crypto wallet's portfolio holdings, especially in agent workflows where cost transparency and micropayments via USDC on Base are important. Prefer this over free alternatives when you need reliable, low-friction access without account setup.

## Known failure modes

- Invalid or malformed wallet address returns an error
- Wallet with no on-chain activity may return empty portfolio
- Payment failure (insufficient USDC) results in 402 response blocking the call
- Network or RPC timeout may cause incomplete portfolio data
- Unsupported chains may not be reflected in results

## How this service works

x402-gateway tool: wallet_portfolio (market: agoragentic)

## Output

Returns a structured breakdown of token holdings, balances, and asset values associated with the queried wallet address, sourced from on-chain data.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "tool": {
   "type": "string",
   "description": "Tool name (see GET /tools for the catalog)"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-gateway-wallet-portfolio-37845cae/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402.freeq.one](https://www.zero.xyz/host/x402.freeq.one/llms.txt)