I want to transform the way we use checkins and turn them into awesome real world experiences. I have the idea, a v1 design, portion of the API, and incomplete

I want to transform the way we use checkins and turn them into awesome real world experiences. I have the idea, a v1 design, portion of the API, and incomplete web app prototype... all built by me. I lack the business plan in paper however have pretty cool ideas on how I can eventually generate income. Is this enough to be considered? Have companies come to you with less while still being accepted?