Before you pitch a single client you need one thing: a working example. Nobody is buying a service they can't see. Your first AI influencer account is not a client account — it's your portfolio. Build it in a niche you're going to target for clients so the demo is directly relevant to the pitch.
Pick your niche first.
Don't skip this. The niche determines everything downstream — the character, the content, the hook angles, the client list. The best niches for this model share three traits: they have proven purchase intent (people already buy things in this space), the buyers are on Instagram and TikTok, and the businesses in the space already understand influencer marketing.
Starting niches that check all three boxes:
Pick one. You are not building a generalist agency. You are building a specialist operation that knows one vertical better than anyone.
Build your first character.
Go to Arcads (arcads.ai) or Higgsfield (higgsfield.ai). Both have free trials. Arcads is stronger for character swap and motion. Higgsfield has a more polished influencer studio with more customization options. Use both for your first build and see which output looks more realistic for your niche.
Your character prompt needs to be specific enough that the output looks intentional, not random. Template to follow: