$ phoenix-cli pay --invoice lnbc...
Usage: phoenix-cli [<options>] <command> [<args>]...

Error: no such option --invoice
$ phoenix-cli payinvoice lnbc...
Usage: phoenix-cli payinvoice [<options>]

Error: got unexpected extra argument (lnbc...)
Error: missing option --invoice
$ phoenix-cli pay lnbc...
Usage: phoenix-cli [<options>] <command> [<args>]...

Error: got unexpected extra arguments (pay lnbc...)
$ phoenix-cli payinvoice --invoice lnbc...
{
    "recipientAmountSat": 100000,
    "routingFeeSat": 404,
    "paymentId": "d4f82516-6bbc-4759-9c33-f0c5388fbea8",
    "paymentHash": "8d3b4b5a900ad5e49d22abdc7986038a90022c6f119ed84157ed6664b4408028",
    "paymentPreimage": "8428d7e513c25047c4a4b891f077b7df99fff3a7fded6f5a53184c29273ae1a7"
}