InviteMember allows you to set a trial period for your subscription plan that won't require your clients to provide their credit card details upfront.
To set a trial period, open your plan settings and click Edit trial period:
To make this 2-week trial available without credit card upfront, click Trial without card: OFF to set it to ON:
Here is how your membership bot payment options look like now:
Note the Free Trial: 14 days button. When a user clicks it, the bot asks for a confirmation (trial periods can only be used once):
The trial is started after a confirmation.
When the trial period is over, the user will have to start a real plan.
Otherwise, he will be kicked from the plan resources.