Engineering Velocity · Public Release Log

XPayr Product Changelog & Open-Source Releases

Every major protocol upgrade, NPM SDK version, MCP server capability, and merchant calculator shipped across xpayr.com and github.com/xpayrcom.

🐙 Follow @xpayrcom on GitHub 📄 Machine-Readable JSON Feed ⚡ Live System Status
v2026.11.2 · Platform · Trust & Tools

System Status Hub (/status), RFC 7517 JWKS, Partner Tracks, Chargeback ROI & Invoice Studio

  • Launched real-time browser endpoint & latency verifier at /status and public API v1 Root Discovery Index at GET /api/v1.
  • Published standard RFC 7517 ES256 public keyset at /.well-known/jwks.json alongside /api/v1/licenses/jwks.
  • Released Dedicated Pricing (/pricing), Unified Integrations (/integrations), Security Hub (/security), Partner Program Hub (/partners + 4 tracks), Batch Payout Planner (#12), Chargeback ROI Calculator (#13), and Crypto Invoice Studio (#14).
Verify Live Status →
v2026.11.1 · AI Agents · Remote MCP & Specs

Zero-Install Remote Streamable HTTP MCP (/api/mcp), agents.json & Browser MCP Playground

  • Deployed zero-install JSON-RPC 2.0 Remote MCP endpoint at POST https://xpayr.com/api/mcp and Open Agentic Commerce manifest at /.well-known/agents.json.
  • Shipped interactive Browser MCP Playground (/tools/mcp-playground), AI Agent Policy Simulator (/tools/ai-agent-policy-simulator), ES256 Wallet License Verifier (/tools/wallet-license-verifier), and 1-Line Pay Button SDK (/public/sdk/xpayr-pay-button.js).
  • Launched Interactive OpenAPI 3.1.0 Playground at https://api-docs.xpayr.com/ and Glama Verified MCP Score Badge.
Open MCP Playground →
v1.0.0 / v0.2.0 · NPM · Anthropic Registry · GHCR

Official 21-Tool @xpayr/mcp-server (v1.0.0) & Core TypeScript SDKs (v0.2.0)

  • Published @xpayr/mcp-server (v1.0.0) and xpayr-mcp (v1.0.0) on NPM, ghcr.io/xpayrcom/xpayr-mcp-server:latest, and the Official Anthropic MCP Registry (io.github.xpayrcom/xpayr-mcp-server).
  • Released @xpayr/node-sdk (v0.2.0), @xpayr/extension-kit (v0.2.0), @xpayr/payment-evidence (v0.2.0), and 6 v1.0.0 open-source e-commerce plugins across 30 repositories on github.com/xpayrcom.
  • Activated https://mcp.xpayr.com/ and https://docs.xpayr.com/ developer portals with $10 Testnet Sandbox modal.
Visit MCP Portal →
v2026.07 · Layer-1 · Programmable Money

Circle Arc Network Suite, Native USDC Gas Calculators & Swap/Bridge Hub

  • Integrated Circle Arc Testnet non-custodial checkout, batch payouts, memo reconciliation, and native USDC gas estimation across 15 /arc/* blueprints.
  • Launched non-custodial Swap & Cross-Chain USDC Bridge Hub (/swap-bridge) and ES256 Wallet-Bound Software License Kit.
Explore Circle Arc Hub →