Hey i am facing error 400 in post stripe api without plugin for learning

There was an issue setting up your call.

Raw response for the API
Status code 400
{
“error”: {
“code”: “parameter_missing”,
“doc_url”: “https://stripe.com/docs/error-codes/parameter-missing”,
“message”: “Must provide source or customer.”,
“request_log_url”: “https://dashboard.stripe.com/test/logs/req_CGhNMcAQFB22Gv?t=1685525424”,
“type”: “invalid_request_error”
}
}