Prior to using payment processing, you must sign an additional acknowledgement that you read the agreement.
Stripe will complete "Know Your Customer" (KYC) requirements, verify your tax id, verify some proof of your business. Typically, this is a link to a public website that shows your business. They require some information right away, but may give you some time to collect information and comply.
Before $600 in payments is sent via TIDY, you need to have logged a private job completed for one of your clients as complete. If you have not done this, you will get alerts to do this. Alternate proofs that you are in business can be accepted by an account manager, so long as they clearly prove you are in business with Clients not through TIDY.
If you do business in California, Washington, Massachusetts, Maine, Oregon, you have the following additional requirement: Before $600 in payments is sent via TIDY, you must assign an employee or subcontractor to a job, provide proof of marketing, or provide other evidence that you have a bonafide business.