S

Suverse · Base Quote

by Suverse

POSTBase

$0.001

per call · USD Coin on Base

Bidirectional ERC20 token swap aggregator on Base mainnet via LiFi routing across 20+ DEXs (Uniswap V3, Aerodrome, BaseSwap, SushiSwap). USDC to WETH AERO DEGEN BRETT TOSHI cbETH cbBTC or any ERC20, and reverse to USDC. Two-step quote/execute x402 flow. 1% fee. AI agent swap. L2 DEX.

Endpoint

POST https://proxy.suverse.io/v1/swap/base/quote

116

Calls / 30d

8

Unique payers / 30d

Sep 10

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://proxy.suverse.io/v1/swap/base/quote", {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "input_amount": "1000000",
    "input_token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "output_token": "0x4200000000000000000000000000000000000006",
    "slippage_bps": 100
  }),
});
const data = await res.json();
cURL
curl -X POST \
  "https://proxy.suverse.io/v1/swap/base/quote" \
  -H "Content-Type: application/json" \
  -d '{"input_amount":"1000000","input_token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","output_token":"0x4200000000000000000000000000000000000006","slippage_bps":100}' \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "direction": "forward",
  "expected_output": "365000000000000",
  "expected_output_human": "0.000365 WETH",
  "expires_at": "2026-06-02T00:00:00.000Z",
  "fee": "10000",
  "fee_human": "0.01 USDC",
  "input_amount": "1000000",
  "input_amount_human": "1 USDC",
  "input_token": {
    "address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "decimals": 6,
    "name": "USD Coin",
    "symbol": "USDC"
  },
  "output_token": {
    "address": "0x4200000000000000000000000000000000000006",
    "decimals": 18,
    "name": "Wrapped Ether",
    "symbol": "WETH"
  },
  "quote_id": "qb_abc123def456",
  "requires_approval": false,
  "service": "suverse-base-swap",
  "tool": "lifi",
  "total_cost": "1010000",
  "total_cost_human": "1.01 USDC",
  "x402_pay_url": "https://proxy.suverse.io/v1/swap/base/execute/qb_abc123def456"
}

Payment details

Pay to0x4261701a4ddf4625ebfa80ceefb5b3b2b5453b2e
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase
Schemesexact

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