# Strale Wallet Age Check

> Strale Wallet Age Check is a paid API for AI agents from api.strale.io, paid per call via x402, $0.0216/call, status unknown (last checked 2026-09-15).

Returns the age (creation date and days old) of a given Ethereum or Base wallet address, with a cryptographic audit record.

## Facts

- Endpoint: GET https://api.strale.io/x402/v2/wallet-age-check
- Price: $0.0216/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/strale-wallet-age-check-40f381b1
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_xwmSsutY9DgeDCTNTg4R0

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 strale-wallet-age-check-40f381b1
```

Example prompt: Can you check how old the wallet 0x742d35Cc6634C0532925a3b844Bc454e4438f44e is on Ethereum mainnet? I want to know when it was first created and how many days it's been active.

## When to prefer this

Use this endpoint when you need a verifiable, auditable record of a wallet's age on Ethereum or Base — especially for fraud detection, risk scoring, KYC workflows, or compliance reporting where a cryptographic audit trail matters. Prefer it over generic blockchain explorers when you need a structured API response with provenance guarantees rather than a human-readable UI.

## Known failure modes

- Invalid or malformed wallet address (non-0x format) returns a 400 error
- Wallet address not found on the specified chain returns an empty or null creation date
- Unsupported chain_id returns an error indicating the chain is not supported
- Network or RPC issues may result in a 503 or timeout
- Payment failure via x402 micropayment results in a 402 Payment Required response

## How this service works

The trust layer for AI agents — 250+ independently tested data capabilities across 27 countries. Execute capabilities via REST, MCP, A2A, or x402 micropayments. Every call returns an audit record with cryptographic chain hashing.

## Output

Returns the wallet creation date (block timestamp of first transaction), wallet age in days, the chain it was checked on, and a cryptographic audit record with chain hashing for provenance verification.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/strale-wallet-age-check-40f381b1/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from api.strale.io](https://www.zero.xyz/host/api.strale.io/llms.txt)