ArcRelay
Verified On-Chain Proof on Arc Testnet
Circle Arc Ecosystem • Native USDC Gas Layer

The Gasless Economic Layer for Arc.

Eliminate user onboarding drop-off. Turn Arc's native USDC into 100% invisible gas with enterprise corporate gas tanks and a 3-line developer SDK.

Interactive SimulatorView SDK
$0.00

Gas Paid by End Users

ERC-4337

v0.7 EntryPoint Standard

< 3.0s

Sub-Second Sponsorship

3 Lines

Plug-and-Play Integration

Interactive Simulator

See the User Experience Difference

Toggle between traditional Web3 gas friction and ArcRelay's invisible gas sponsorship.

arc-checkout-demo.app
User Balance: 0.00 USDC Gas
ActionUSDC Instant Transfer
10.00 USDCRecipient: 0x8b39...F7DD
Network Gas Fee
$0.0033$0.00 (Sponsored)
Invisible Gas ActiveYour corporate gas tank covers network fees automatically. User signs 1 tap with zero gas balance.
Developer SDK

Integrate Invisible Gas in 3 Lines of Code

No complex cryptographic ABI encoding or manual gas fee math. Drop into Viem, Permissionless.js, Biconomy, or Python bots in minutes.

import { ArcRelay } from '@arcrelay/sdk';

// 1. Initialize client with your Corporate Policy ID
const arcrelay = new ArcRelay({
  rpcUrl: 'https://relay.arcrelay.tech',
  policyId: '0x0000000000000000000000000000000000000000000000000000000000000001',
});

// 2. Sponsor any ERC-4337 v0.7 UserOperation in 1 call
const sponsoredOp = await arcrelay.sponsor(userOp);

// 3. User pays $0.00 gas. Network fees deducted from corporate tank.
await bundlerClient.sendUserOperation({ userOperation: sponsoredOp });
Standard: ERC-4337 v0.7 PackedUserOperationGitHub Documentation
Multi-Tenant Architecture

How Corporate Gas Tanks Work

A secure bridge between enterprise treasury balances and consumer smart accounts.

01Circle Onramp Kit

Corporate Gas Tank Top-Up

Enterprises pre-fund gas in native USDC (or fiat credit card via Circle Onramp Kit) mapped to a unique bytes32 policyId.

02Invisible UX

0-Balance User Action

Consumer taps in-app action (swap, transfer, game move). No wallet popups, no gas calculations, zero native token needed.

03Atomic Safety

EIP-712 Fraud Protection

The ArcRelay Policy Engine evaluates sliding-window spend quotas ($1.00/day default) and cryptographically signs authorization.

04Block 64122404

On-Chain Paymaster Settlement

ArcRelayPaymaster settles gas with Arc EntryPoint. Network fee is deducted from the corporate tank. User pays $0.00.