Advanced
AP2: The Agent Payments Protocol
When an agent buys something, the card network sees a transaction with no human present, and the only question anyone cares about afterwards is who authorized it. AP2 answers that with three signed mandates, one for what the user asked for, one for what the agent chose, and one for what gets charged, so a dispute resolves against evidence instead of a chat log.
Get full Premium access · ₹2,000 / $25
Every answer, concept and course, every paper breakdown, all published video lessons, hands-on FDE Lab missions, Premium PDF guides and companion files, the full practice-test bank and work-sample downloads. Referral Premium excludes guide PDFs and their companion files.
6 months · One payment · No auto-renewal
Study alongside free video lessons.
Related concepts
Practise this in questions
AI Security, Privacy & GovernanceYour deployed AI product just caused real harm at a customer. Run the incident response, first hour, first day, first week. →hard · PremiumAI Security, Privacy & GovernanceDesign defense-in-depth for a support agent that can issue refunds and update customer records. →hard · PremiumAI Security, Privacy & GovernanceYour customer's developers install MCP servers freely. Build the program that secures that tool-integration supply chain. →hard · PremiumAI Security, Privacy & GovernanceDesign an MCP server that gives an agent access to a customer's Salesforce, Slack, and HR system. Make it safe. →hard · PremiumAI Security, Privacy & GovernanceYour agent issued a refund to the wrong customer. The tool call succeeded, the schema validated, and the eval says the task passed. Find it. →hard · PremiumMLOps & ML EngineeringWhy use a model registry instead of just storing model artifacts in S3? →easy · Free