Nekuda, a startup building infrastructure for agentic payments, announced a $5M funding round led by Madrona Ventures with participation from global financial leaders including Amex Ventures and Visa Ventures. The funding will accelerate Nekuda's mission to enable AI agents to make secure, autonomous online payments by managing payment credentials and authorizations and setting up security guardrails. Additional investors include Paul Klein, CEO of Browserbase, Shyamal Hitesh Anadkat, Applied AI at OpenAI and Sahar Mor.