SuVerse Base Token Swap

SuVerse Base Swap - bidirectional token swap aggregator for Base mainnet. Exchange USDC for any ERC20 token, or any ERC20 token for USDC, via LiFi routing across 20+ Base DEXs including Uniswap V3, Aerodrome, BaseSwap, SushiSwap, KyberSwap, Curve, PancakeSwap, SyncSwap. Supports memecoins BRETT, TOSHI, DEGEN, DOGINME, NORMIE and major tokens WETH, AERO, cbETH, cbBTC, USDT, USDbC, DAI, EURC. Two-step flow. Step 1 POST /v1/swap/base/quote (0.000001 USDC, 1 atomic) with body {input_token, output_token, input_amount, slippage_bps} returns quote_id, expected_output, x402_pay_url, expected_output_human, fee, total_cost, price_impact_pct, output_token metadata, route info (sushiswap, uniswap, aerodrome, etc). Step 2 POST returned x402_pay_url with x402 payment for total_cost executes the swap. Output tokens delivered to paying wallet within 30 seconds. Slippage protection with bps tolerance. 1 percent service fee. Best price routing across multiple Base DEXs aggregated by LiFi. Use cases: AI agent token swaps, automated trading bots, portfolio rebalancing, agentic DeFi, autonomous wallet operations, ERC20 conversion, stablecoin exchange, L2 token trading, DEX aggregator API, x402 swap, payable swap. Minimum swap depends on direction and router state: forward USDC to token 1.00 USD (router has allowance) or 1.10 USD (first swap), reverse token to USDC 1.50 USD (covers approve + transferFrom + swap + transfer gas). Reverse direction (token to USDC): requires ERC20 approval to swap wallet before execute, returns 412 needs_approval if missing. No KYC, no signup, payment via x402 USDC microtransactions on Base mainnet.