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The facilitator settles x402 payments on Sui Mainnet and Sui Testnet, identified with CAIP-2 network IDs.
NetworkCAIP-2 IDFull node (gRPC)
Sui Mainnetsui:mainnethttps://fullnode.mainnet.sui.io:443
Sui Testnetsui:testnethttps://fullnode.testnet.sui.io:443

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Tokens

USDC is the default stablecoin on both networks. On mainnet, the facilitator also sponsors gas for a set of other stablecoins. All listed tokens use 6 decimals.

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Mainnet

TokenSymbolGasless minimum
USDC (default)USDC0.01
Sui USDUSDSUI0.01
Ethena sUSDeSUI_USDE0.01
Ondo US Dollar YieldUSDY0.01
First Digital USDFDUSD0.01
Agora DollarAUSD0.01
USDBUSDB0.01
The gasless minimum is the smallest payment that qualifies for facilitator gas sponsoring (0.01 of the token, or 10000 atomic units at 6 decimals). 
USDC     0xdba34672e30cb065b1f93e3ab55318768fd6fef66c15942c9f7cb846e2f900e7::usdc::USDC
USDSUI   0x44f838219cf67b058f3b37907b655f226153c18e33dfcd0da559a844fea9b1c1::usdsui::USDSUI
SUI_USDE 0x41d587e5336f1c86cad50d38a7136db99333bb9bda91cea4ba69115defeb1402::sui_usde::SUI_USDE
USDY     0x960b531667636f39e85867775f52f6b1f220a058c4de786905bdf761e06a56bb::usdy::USDY
FDUSD    0xf16e6b723f242ec745dfd7634ad072c42d5c1d9ac9d62a39c381303eaa57693a::fdusd::FDUSD
AUSD     0x2053d08c1e2bd02791056171aab0fd12bd7cd7efad2ab8f6b9c8902f14df2ff2::ausd::AUSD
USDB     0xe14726c336e81b32328e92afc37345d159f5b550b09fa92bd43640cfdd0a0cfd::usdb::USDB

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Testnet

TokenSymbolGasless minimum
USDC (default)USDCnone
USDC 0xa1ec7fc00a6f40db9693ad1415d0c193ad3906494428cf252621037bd7117e29::usdc::USDC
Get testnet SUI and USDC from the Sui faucet to try payments at no cost.

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Block explorers

Look up a settlement by its transaction digest:
NetworkExplorer
Mainnethttps://suivision.xyz/txblock/<digest>
Testnethttps://testnet.suivision.xyz/txblock/<digest>

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Pricing in USD

When you price a route as a USD string (for example "$0.01"), ExactSuiScheme converts it to the default stablecoin (USDC) at 6 decimals. To charge in another token, pass an explicit AssetAmount with the token’s coin type — see Quickstart for sellers.