---
## 3) `curl/env.example`(完整替换,英文;默认 normal + MIN_TOPUP_USDC)
```bash
# Base URL
BASE="https://xcatcher.top"
# Your API key (IMPORTANT: no trailing spaces)
API_KEY="xc_live_xxx"
# Prefer normal mode in examples (faster)
# normal|deep
MODE="normal"
# Users JSON array (keep the single quotes)
USERS_JSON='["elonmusk","naval","sama","paulg","a16z","POTUS","OpenAI","taylorswift13","BillGates","cz_binance","VitalikButerin"]'
# Optional: stable idempotency key for retries (recommended if you re-run after payment)
# IDEM="curl402-fixed-id"
# Choose network: base or solana
# NETWORK="base"
# NETWORK="solana"
# If NETWORK=base, set txhash AFTER you pay (payTo is returned by quote):
# BASE_TXHASH="0x..."
# If NETWORK=solana, set signature AFTER you pay:
# SOL_SIGNATURE="..."
# Policy note: minimum top-up is 0.50 USDC (send at least this amount)
MIN_TOPUP_USDC="0.50"