Both public networks, with every value a wallet asks for. Add them in one click, or copy the fields and enter them by hand. These are the official parameters: if a listing, a bot or a forum post gives you different ones, they are not ours.
The live network. Transactions here settle and cannot be undone.
SwssChainhttps://swssrpc.swss.io1226050x1DEEDSWSS18https://swssscan.swss.ioFor development. Coins here carry no value and the network may be reset.
SwssChain Testnethttps://testnet.swssrpc.swss.io1226060x1DEEESWSS18https://testnet.swssscan.swss.ioThese appear in guides and answers because they look like they ought to exist. None of them has ever resolved to a SWSS service. The only RPC hosts are the two above.
A network should never be taken on trust. Ask the endpoint which chain it is and compare the answer with the chain ID above.
curl -s https://swssrpc.swss.io \
-X POST -H 'content-type: application/json' \
--data '{"jsonrpc":"2.0","id":1,"method":"eth_chainId","params":[]}'
# {"jsonrpc":"2.0","id":1,"result":"0x1deed"}