What Visa builds for agent payments
Visa’s move is network-level: tokenized agent credentials, controls, and merchant acceptance on the largest card network. It competes with “agents only use crypto” narratives by making cards agent-capable.
Visa
Intelligent Commerce — enabling agents to pay on Visa.
Gateways & Processors Cards
Open-source projects that build on Visa
6 repositories in this directory name Visa in their title, description or topics — useful if you want working code rather than documentation. The most-starred are below.
- agent-payment-protocols 9★ A neutral landscape analysis of AI agent payment protocols (x402, MPP, L402, Google AP2, Visa TAP + ICC, Mastercard Agent Pay, Amex ACE, Google/Shopify UCP, OpenAI ACP, and others). Maintained by Genesis Software Group, Copenhagen. Updated April 2026. CC BY 4.0.
- paysentry 6★ · TypeScript The missing control plane for AI agent payments. Observe, control, protect, and test agent spending across x402, ACP, AP2, and Visa TAP.
- OpenAgentPay 1★ · TypeScript Open-source payment orchestration for AI agents. 17 packages — 14 routing strategies, 8 payment connectors (MPP, x402, Visa, Stripe, PayPal, UPI, credits, mock), policy engine, cascade failover, unified receipts, paid MCP tools. The routing and experience layer for machine-to-machine commerce.
- mcp-pay 1★ · Rust Payment awareness layer for MCP (Model Context Protocol)
- AuditAgent- 0★ · TypeScript AuditAgent is the first production-ready implementation of autonomous agents on Solana that handle micropayments for premium APIs. Built on the HTTP 402 Payment Required standard with Visa TAP integration
- MPP_Visa-TAP_PoC 0★ · TypeScript Stripe/Tempo Machine Payments Protocol (MPP) + Visa TAP Proof of Concept
Visa vs other gateways & processors
| Company | Protocols | HQ | Founded | OSS repos |
|---|---|---|---|---|
| Visa | Cards | Foster City, USA | 1958 | 0 |
| PayPal | MCP | San Jose, USA | 1998 | 0 |
| Mastercard | Cards | Purchase, USA | 1966 | 0 |
| Block | L402 | Oakland, USA | 2009 | 0 |
Also supporting Cards: Crossmint, Nekuda, Mastercard.