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Masumi's October Recap: x402 Payment

Jami SafariNovember 17, 2025

x402 revives the HTTP 402 "Payment Required" status code, enabling direct value exchange between machines and APIs. In October, Masumi partnered with Begin Wallet and Kuban Digital to launch the first x402 Proof-of-Concept Mint on Cardano, demonstrating web-native payments operating on-chain.

Trust Layer Integration

Masumi adds identity, proof, and accountability to x402, transforming basic payments into verifiable interactions available on Sokosumi.

New Agent Features

  • Knight: A deepfake detector by NuAuth offering private image/video analysis
  • Sokosumi Scheduling: Automated job execution capability
  • Serviceplan Agents: PowerPoint generation functionality
  • Extended Audience Profiles Agent: The first agent-to-agent use case

Team Achievements

The team presented at major conferences including Google DevFest, Token2049, and Slush'd, and hosted political figures at Masumi Space, positioning Berlin as an emerging hub for agentic web development.

What Comes Next

Work is underway finalizing the x402 Standard for Cardano and Masumi, aiming to connect payments directly to smart contracts with verification and on-chain reputation systems.