SCRT Labs regularly updates a Secret Network API Registry containing information required to configure the secretcli.
To check the status of a node use:
$ secretcli status --node "$URL"
Mainnet
secretcli config set client node https://rpc.mainnet.secretsaturn.net:443
secretcli config set client chain-id secret-4
secretcli config set client output json
Testnet
secretcli config set client node https://pulsar.rpc.secretnodes.com
secretcli config set client chain-id pulsar-3
secretcli config set client output json
secretcli config set client keyring-backend test