Whether you’re working with just a few vendors, onboarding new ones around the clock, or managing a complex internal system, Avalara 1099 & W-9 offers flexible solutions to fit your workflow. Easily collect W-9s by sending online requests to individual vendors, importing a bulk CSV file, embedding a collection widget into your onboarding process, or integrating Avalara 1099 & W-9 capabilities directly into your internal systems using APIs — no extra sign-ins required.