# Base Wallet Portfolio Value & Net Worth

> Base Wallet Portfolio Value & Net Worth is a paid API for AI agents from x402-services-production.up.railway.app, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Returns the total USD net worth, token positions, and allocation percentages for a given Base blockchain wallet address.

## Facts

- Endpoint: POST https://x402-services-production.up.railway.app/api/portfolio/value
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/base-wallet-portfolio-value-net-worth-a070e035
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_o3iNwWou7JwU_CPvA0o7_

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 base-wallet-portfolio-value-net-worth-a070e035 -d '<json body>'
```

Example prompt: What's the total USD value of my Base wallet 0x1234...abcd — break it down by token positions and show me what percentage each one makes up?

## When to prefer this

Use this endpoint when you need a quick, consolidated USD net worth and allocation breakdown for a specific Base wallet — ideal for treasury agents, portfolio trackers, or any agent that needs to understand a wallet's current financial position across all its Base holdings in a single call.

## Known failure modes

- Invalid or malformed wallet address returns an error
- Wallet address not on Base network may return empty or zero results
- Unrecognized token contracts may be excluded from valuation
- Network latency or Base RPC issues may cause timeout
- Price feed unavailability for illiquid tokens may yield incomplete valuation

## How this service works

Wallet net worth: total USD value, positions, and allocation % across a wallet's Base holdings. Send { address }. Instant portfolio snapshot for treasury agents.

## Output

A portfolio snapshot including total USD net worth of the wallet, a list of individual token positions with their USD values, and the percentage allocation of each asset relative to the total portfolio.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "address"
 ],
 "properties": {
  "address": {
   "type": "string",
   "description": "0x wallet address (Base)"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/base-wallet-portfolio-value-net-worth-a070e035/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-services-production.up.railway.app](https://www.zero.xyz/host/x402-services-production.up.railway.app/llms.txt)