Accept crypto payments on OP Mainnet
Accept USDT0, USDC.e, USDC, ETH and 20 coins in all on OP Mainnet. A fresh address per payment, settled to one stablecoin in your wallet.
Coins on OP Mainnet
Each coin a customer can pay with on OP Mainnet, with its contract and the smallest payment Inlet takes in it.
| Coin | Contract | Type | Minimum |
|---|---|---|---|
 ETHETH | Native coin | Native | $1.00 |
 WETHL2 Standard Bridged WETH (Optimism) | 0x4200…0006 | Token | $1.00 |
 USDT0USDT0 | 0x01bF…1071 | Stablecoin | $1.00 |
 USDC.eStandard Bridged USDC.e (Optimism) | 0x7F5c…1607 | Stablecoin | $1.00 |
 WBTCWrapped Bitcoin | 0x68f1…2095 | Token | $1.00 |
 USDCUSDC | 0x0b2C…Ff85 | Stablecoin No gas | $1.00 |
 LINKChainlink | 0x350a…a7f6 | Token | $1.00 |
 USDeEthena USDe | 0x5d3a…ef34 | Stablecoin | $1.00 |
 UNIUniswap | 0x6fd9…6691 | Token | $1.00 |
 ENAEthena | 0x5853…0133 | Token | $1.00 |
 AAVEAave | 0x76FB…9278 | Token | $1.00 |
 WLDWorldcoin | 0xdC6f…26F1 | Token | $1.00 |
 ZROLayerZero | 0x6985…71cd | Token | $1.00 |
 CRVCurve DAO | 0x0994…Fb53 | Token | $1.00 |
 EURCEURC | 0xDCB6…9e11 | Token | $1.00 |
 DRVDerive | 0x3380…a100 | Token | $1.00 |
 PENDLEPendle | 0xBC7B…66E1 | Token | $1.00 |
 LDOLido DAO | 0xFdb7…735F | Token | $1.00 |
 OPOptimism | 0x4200…0042 | Token | $1.00 |
 OHMOlympus | 0x060c…dCC0 | Token | $1.00 |
How long Inlet waits on OP Mainnet
Bigger payments wait for more blocks before they count as paid.
“Safe head” and “finality” are the network's own markers: the newest block it considers safe, and the block it can no longer reverse.
OP Mainnet questions
Which coins can customers pay with on OP Mainnet?
20 coins: ETH, WETH, USDT0, USDC.e, WBTC, USDC, LINK, USDe, UNI, ENA, AAVE, WLD, ZRO, CRV, EURC, DRV, PENDLE, LDO, OP, OHM.
How many confirmations does Inlet wait for on OP Mainnet?
Up to $200: 10 blocks. $200 to $2,000: safe head. Above $2,000: finality. Larger payments wait longer, so nothing big is marked paid early.
How long is a OP Mainnet quote valid?
10 minutes. The coin amount is fixed for that long, then a fresh quote is made.
Can customers pay on OP Mainnet without gas?
Yes, with USDC: the customer signs a transfer in their wallet and Inlet submits it and pays the network fee.
Other networks
Ethereum
Base
Polygon
BNB Chain
Solana
Arbitrum One
Tron62 coins across 8 networks in all. See every coin.
Put a QR on your counter.
Join our first merchants. We'll set you up with test keys.