Abstraction Capital

Abstraction Capital is an early-stage venture capital firm based in Kansas City, investing at the pre-seed and seed stages. It backs technical founders building products for developers and technical users. Its focus spans developer tools, infrastructure, and data and AI. Portfolio companies include Buf, an API management and schema design platform, Poolside, which develops open-weight foundation models, CopilotKit, an agentic frontend stack, and Freshpaint, a HIPAA-compliant analytics platform. The firm looks for founders with deep technical expertise who know the problem from the inside. It favors tools that give developers more time for meaningful work, and believes adoption starts with developers, so it backs products that technical users love and want their teams to use. Alongside capital, portfolio companies receive mentorship and technical insight, reflecting a developer-first approach and long-term partnerships with founders from their earliest stages.