# NetProtocol Relay Wallet Funding

> NetProtocol Relay Wallet Funding is a paid API for AI agents from www.netprotocol.app, paid per call via x402, $5/call, status unknown (last checked 2026-09-14).

Funds the backend wallet used by the NetProtocol relay service on Base (chain 8453)

## Facts

- Endpoint: POST https://www.netprotocol.app/api/relay/8453/fund
- Price: $5/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/www-netprotocol-app-3afa8a0a
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_0G2_Vn9A4GZ4f3KX3s8M_

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 www-netprotocol-app-3afa8a0a -d '<json body>'
```

Example prompt: Fund the NetProtocol relay backend wallet on Base (chain 8453) so it has enough balance to process relay transactions — send the required 5 USDC payment to top it up.

## When to prefer this

Use this endpoint when the NetProtocol relay service on Base (chain 8453) needs its backend wallet topped up to continue processing relay transactions. Choose this when operating infrastructure that relies on NetProtocol's relay and the relay wallet balance is low or depleted.

## Known failure modes

- Insufficient USDC payment — payment below required $5 USDC threshold
- Invalid chain ID — must be 8453 (Base mainnet)
- Payment processing failure — x402 payment header missing or malformed
- Wallet already fully funded — relay wallet does not need additional funds
- Network congestion on Base causing delayed confirmation
- Unauthorized request — missing or invalid authentication credentials

## How this service works

Fund backend wallet for relay service

## Output

A confirmation that the relay backend wallet on Base chain 8453 has been funded, including transaction details and updated wallet balance status.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/www-netprotocol-app-3afa8a0a/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from www.netprotocol.app](https://www.zero.xyz/host/www.netprotocol.app/llms.txt)