Callbook AI

AI collections agency for late stage portfolios

·B2B SaaS·YC Summer 2026·tracked since Sep 25, 2026

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Monthly revenue–Not shared yet

Rank–Unranked

Last 30 days–Growth in MRR

Revenue per founder–– founders

About Callbook AI

Callbook AI is a collections agency operated by AI. We collect late stage portfolios by finding, contacting and negotiating with borrowers.

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