If there's no API, it's not a product, it's a service.
One person, one product, no finance help. Wants banking that behaves like infrastructure: an API, webhooks, and nothing that needs a phone call.
Ships a developer tool used by 1,900 teams, $18k MRR, no employees. Handles bookkeeping on Sunday nights and wants every recurring task automated. Judges a company by its docs and its status page.
Goes straight to /docs; tests search before navigation; judges velocity from the changelog.
A manual task repeats twice; a customer asks for invoicing; a Sunday-night bookkeeping session.
Each trait scored 0–100, where 50 is the population average.
Send a secure link to a real user matching this persona. Their answers fold into the grounding layer.