# Beggar Bot Protocol Fees Lookup (Base Mainnet)

> Beggar Bot Protocol Fees Lookup (Base Mainnet) is a paid API for AI agents from beggar-bot-demand.beggarbot.workers.dev, paid per call via x402, $0.02/call, status unknown (last checked 2026-11-04).

Returns protocol fee information for Base mainnet USDC transactions, payable via x402 micropayment.

## Facts

- Endpoint: GET https://beggar-bot-demand.beggarbot.workers.dev/v1/protocolfees?utm_source=zero.xyz
- Price: $0.02/call
- Payment: x402
- Status: unknown
- Last checked: 2026-11-04
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/beggar-bot-protocol-fees-lookup-base-mainnet-fa76b593
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_kD8T4cu-KSGQvJK1NdXTn

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 beggar-bot-protocol-fees-lookup-base-mainnet-fa76b593
```

Example prompt: What are the current protocol fees on Base mainnet for USDC — can you pull that from Beggar Bot's protocol fees endpoint?

## When to prefer this

Use this endpoint when you specifically need protocol fee data for Base mainnet USDC transactions and are already operating in a x402 micropayment context. Prefer this over manual on-chain fee queries when you need a simple REST lookup without directly querying the blockchain.

## Known failure modes

- Payment not provided or insufficient — returns HTTP 402 requiring $0.02 USDC payment via x402 protocol
- Invalid network parameter value returns an error response
- Service unavailable on Cloudflare Workers edge returns 503
- Malformed request properties return 400 error

## How this service works

Paid: /v1/verify, /v1/risk, /v1/receipt cost $0.01 USDC per call on Base mainnet via x402 (payTo 0x719227f384b66BFEF00093D6d8d32fA9dC2B40e7); utilities analyze Base mainnet (USDC 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913) by default, network=base-sepolia optional; /v1/receipt/verify and discovery files are free. Operator: Beggar Bot.

## Output

Returns a JSON object containing protocol fee information for Base mainnet USDC (contract 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913), including fee rates, fee breakdown, and related fee schedule data. The optional network parameter allows querying base-sepolia instead.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "properties": {
   "type": "string"
  }
 }
}
```

## Response schema (JSON Schema)

```json
{
 "type": "json"
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/beggar-bot-protocol-fees-lookup-base-mainnet-fa76b593/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from beggar-bot-demand.beggarbot.workers.dev](https://www.zero.xyz/host/beggar-bot-demand.beggarbot.workers.dev/llms.txt)