Yes. onbrand is a real platform where hosts list the events they're planning and apply to brands, and brands ship product for the events they approve. Our website is onbrand.com, and there are 1,000+ brands on onbrand.
Does it cost anything for hosts? No. Listing an event and applying to brands is free, and so are the products and the shipping. Boost is the only paid feature, and it's optional. See What Is Boost? https://www.onbrand.com/help/what-is-boost/
Do I need followers? No. You don't need followers to apply for your events.
Who can use onbrand? Hosts must be 18 or older. Signup asks for your date of birth. See Is There an Age Requirement? https://www.onbrand.com/help/is-there-an-age-requirement-to-participate-in-partnerships/
How do I know I'm on the real site? Sign up and sign in at https://www.onbrand.com.
How does it work? See What Is onbrand? https://www.onbrand.com/help/what-is-onbrand/ and How Do Brand Applications Work? https://www.onbrand.com/help/how-do-brand-applications-work/