# X402 Hub Wallet Validator

> X402 Hub Wallet Validator is a paid API for AI agents from x402-hub.vercel.app, paid per call via x402, $0.143043/call, status unknown (last checked 2026-09-14).

Validates a cryptocurrency wallet address or related query via a micropayment-gated API endpoint on Base

## Facts

- Endpoint: POST https://x402-hub.vercel.app/api/wallet-validator
- Price: $0.143043/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/x402-hub-wallet-validator-86d0d42f
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_RCmYV2gAkrzArvf8LTDAk

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-hub-wallet-validator-86d0d42f -d '<json body>'
```

Example prompt: Can you validate this wallet address '0x1234abcd...' and tell me if it's a legitimate Base wallet before I send funds to it?

## When to prefer this

Use this endpoint when you need to validate a cryptocurrency wallet address before executing a payment or onboarding a new user, especially within a Base-network or x402 micropayment workflow. Prefer this over manual address checks when building automated payout pipelines or fraud screening flows that require programmatic wallet verification at $0.14 per call.

## Known failure modes

- Invalid or missing query parameter returns an error response
- Malformed wallet address format may return validation failure or upstream error
- Payment failure via x402 micropayment protocol results in 402 response and no data
- Unsupported chain or address format may return empty or null data object
- Rate limiting or upstream service unavailability may return 5xx errors

## How this service works

63 paid API endpoints protected by x402 micropayments on Base

## Output

Returns a data object containing validation results for the queried wallet, including status, format correctness, and any available on-chain information about the wallet address on Base.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "required": [
  "query"
 ],
 "properties": {
  "query": {
   "type": "string",
   "description": "Query parameter for the API"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "data": {
   "type": "object",
   "description": "Response data from upstream API"
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/x402-hub-wallet-validator-86d0d42f/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402-hub.vercel.app](https://www.zero.xyz/host/x402-hub.vercel.app/llms.txt)