AI Agent Spending Security Checklist
A complete security checklist for AI agent payment access: card issuance, credential storage, MCP scoping, monitoring, revocation, and audit trails.
Blog
Which AI Agents Can Spend Money Autonomously in 2026?
Claude, GPT, Cursor, AutoGPT — which AI agents actually support autonomous payments in 2026? Capability requirements, MCP configs, and the accountability gap.
Virtual Card APIs Compared: Stripe, Privacy.com, and Agent Cards
An honest comparison of virtual card APIs for AI agent use cases: issuance speed, MCP support, spend limits, encryption, and who each is built for.
Prepaid Virtual Cards vs Corporate Cards for AI Workloads
Why corporate cards fail for AI agent workloads — and how Visa prepaid virtual cards solve the exposure, compliance, and per-task issuance problems developers face.
How to Set Spending Limits on AI Agents
Set hard spending limits on AI agents using load-based Visa prepaid cards. Per-task, per-session, and per-agent budget patterns with real CLI examples.
Single-Use Virtual Cards for AI: How the Security Model Works
How single-use Visa prepaid cards contain the blast radius of AI agent payment access. Threat model, AES-256-GCM encryption, and card lifecycle explained.
AI Agent Expense Tracking: How to Log What Your Agents Spend
Use the record_payment MCP tool and Agent Cards CLI to build full auditability into your autonomous agent workflows. Real schemas and CLI commands included.
Claude MCP + Payments: A Complete Integration Guide
Integrate Claude MCP with Visa prepaid card payments. All 4 MCP tools, stdio vs HTTP variants, autonomous purchasing workflows, and security considerations.
How to Give an AI Agent a Credit Card (Step by Step)
Install the CLI, issue a Visa prepaid card, and configure it in Claude or Cursor via MCP. Your AI agent can make payments in under 10 minutes.
How AI Agents Make Payments: A Complete Guide
A complete guide to AI agent payments: the 3 layers of funding, card issuance, and MCP delivery. Real CLI walkthrough, security model, and FAQ included.
Welcome to the Agent Cards blog
A short intro to what we’ll share here: product updates, how-tos, and news about prepaid virtual cards for AI agents.