TLDR
- RippleX launched the XRP Ledger AI Starter Kit on June 10.
- The kit enables autonomous payments for AI agents on XRP Ledger.
- XRPL now supports the X402 protocol for web-based software payments.
- AI agents can pay for APIs, model inference, and digital services using XRP and RLUSD.
- Ripple-backed startup t54 helped integrate XRPL into X402.
Ripple Labs moved to link blockchain payments with the fast-growing AI economy through a new developer release. The company introduced the XRP Ledger AI Starter Kit on June 10 to support autonomous transactions. The rollout aligns with efforts to connect software agents with direct web payments.
XRP Ledger integrates X402 for autonomous web payments
RippleX launched the XRP Ledger AI Starter Kit to help developers build agent-powered applications. The first phase supports tools that enable autonomous payments on the XRP Ledger network. RippleX said the network design supports fast settlement and predictable costs.
“The XRP Ledger was built with many of these qualities in mind,” the announcement stated. It added that agentic payments now require speed and low transaction fees. The release supports X402, an open protocol that enables software to send payments without human approval.
Through support from t54, XRPL now operates as a supported chain on X402. Ripple backed t54 during a seed funding round to expand payment infrastructure. As a result, AI agents can use XRP and RLUSD for web-based transactions.
The system allows AI agents to pay for API calls and model inference services. It also enables payments for other digital services across web platforms. Developers can integrate these features into applications that require automated billing.
The starter kit also provides tooling for AI coding agents. A dedicated Model Context Protocol server supports queries to XRPL documentation. Clients, including Claude Code, Claude Desktop, and Cursor, can access the documentation directly.
XRP and RLUSD power Mastercard’s agent payment framework
The launch occurred on the same day Mastercard Inc. introduced Agent Pay for Machines. Mastercard designed the framework to support autonomous payments across digital services. More than 30 partners joined the initiative, including Ripple and t54.
RippleX senior vice president Markus Infanger outlined the role of XRPL and RLUSD. He said the network provides a settlement layer that clears in seconds. He added that the system offers predictable costs and built-in compliance.
“XRPL and RLUSD give Mastercard’s framework a settlement layer that clears in seconds,” Infanger said. He also referenced programmable compliance and a full audit trail. Mastercard listed Ripple as one of the core blockchain partners.
The framework supports high-volume and low-value transactions between software agents. It enables machine-to-machine settlements without manual approval. RippleX confirmed that XRP and RLUSD serve as payment rails within the system.
Ripple Labs continues to expand infrastructure through RippleX initiatives. The XRP Ledger AI Starter Kit now rolls out in stages across developer channels. The company released the tools on June 10, alongside Mastercard’s AP4M framework.



