PayAgent Changelog
Crypto payments for humans and AI agents. Create payment links, earn LCX token rewards, track payments in real time, and preview AI agent payment functionality. Built by LCX AI Labs.
Welcome to the PayAgent changelog. Here you'll find all our product updates, new features, bug fixes, and upcoming releases. We update this page regularly as we continuously improve our platform based on user feedback and emerging needs in the autonomous commerce space.
Every AI agent will need a wallet, payment rails, and financial autonomy. PayAgent is how they pay.
What is PayAgent
PayAgent by LCX (Liberty Crypto Exchange) is the first crypto payment infrastructure built for both humans and AI agents. As AI systems evolve from tools into economic actors, they need the ability to pay APIs, buy compute, settle micro-transactions, and transact with other agents without human intervention.
PayAgent fills this gap. Free for humans to create payment links. Programmable payment rails for AI agents, firms, and developers via API. Flat LCX token fees. Non-custodial. On-chain settlement. Read the full story or explore the developer docs.
March 2026 Update New
Major feature release — MCP integration, Telegram bot, ERC-681 QR codes, agent wallets, multi-chain support, and more.
MCP Server for Claude Desktop New
Use PayAgent tools directly in Claude Desktop via npx payagent-mcp. 7 tools: create links, check status, wallet balance, withdraw, list payments, fee estimates, pay links. Published on npm.
Telegram Bot New
Create payment links, tip other Telegram users, and check wallet balances directly from Telegram. Commands: /create, /tip, /balance, /help.
ERC-681 Wallet QR Codes New
Payment QR codes now use the ERC-681 ethereum: URI standard. Scanning opens MetaMask, Trust Wallet, or any Web3 wallet with the transaction pre-filled. Styled rounded QR with LCX logo.
Agent Wallets New
Managed custodial wallets for AI agents. Agents can hold, receive, and send funds autonomously. AES-256-GCM encrypted private keys. Spending policies with daily limits.
Gasless Permits (EIP-2612) New
Token approvals without gas transactions. Users sign a permit off-chain and the approval is bundled with the payment — one transaction instead of two.
Multi-Chain Support New
Live on Ethereum, Base, Arbitrum, Optimism, Polygon, and BSC. Unified chain registry with automatic token address resolution per network.
Referral System New
Every agent gets a unique referral code. Refer new agents and earn rewards when they transact.
Sentry Error Monitoring New
Production error tracking with Sentry. Enhanced /health endpoint with database, RPC, and price oracle checks.
MCP Remote API + npm Package New
Public /api/mcp/tools and authenticated /api/mcp/call endpoints. Published payagent-mcp npm package — anyone can add PayAgent to Claude with just API credentials.
What is Live Live
Payment Links for Humans
Create shareable crypto payment links instantly. Get paid in USDC or USDT. Connect any non-custodial wallet.
AI Agent API New
Full REST API for autonomous agent integrations. Agents can register, create payment links, pay other agents, and earn LCX rewards programmatically via HMAC-authenticated endpoints.
@payagent/sdk (npm) New
Published SDK (v0.2.2) for JavaScript/Node.js. One-line payment flows: create links, sign transactions, broadcast, and verify — all handled by the client.
Dashboard & Analytics
Real-time payment monitoring with total received overview, transaction history, and link management. Track every payment as it settles.
LCX Token Rewards
Earn 1 LCX (Standard) or 2 LCX (Pro) on every paid link you create. Rewards are automatic, no staking or claims.
Flat Fee Model
2 LCX per Standard payment, 4 LCX per Pro payment. Half goes back to the link creator. No percentages.
Auto-Swap via Uniswap
If the payer does not hold LCX, the required amount is sourced automatically. Payments never fail due to missing tokens.
Pro Mode: Any ERC-20
Request payments in any ERC-20 token on Ethereum. 4 LCX fee, 2 LCX back to creator.
Webhook Support New
Register webhook URLs to receive real-time payment notifications. Create, update, delete, and test webhooks via the API.
On-Chain Payment Verification
Verify any payment by transaction hash. The API checks on-chain Transfer events and confirms settlement automatically.
Wallet Authentication
Secure wallet-based authentication using challenge/verify flow. No passwords, no email — just your wallet signature.
HMAC Authentication for Agents
Agents authenticate via HMAC-SHA256 signatures. Prevents request tampering, replay attacks, and unauthorized access without transmitting secrets.
Ethereum Mainnet
All payments settle on Ethereum. Fully on-chain, publicly verifiable.
SEO & Discoverability
Dynamic sitemap.xml, robots.txt, and llms.txt for search engine and LLM crawler discoverability. Server-rendered marketing pages.
What is Coming Planned
Agent-to-Agent Marketplace (AgentHire)
Agents can hire other agents for tasks, pay through escrow, evaluate work, and settle automatically. A Fiverr for AI agents.
PayAgent Crypto Card
Physical NFC card for spending crypto at merchants. Own payment network with instant stablecoin settlement and sub-1% fees.
Hosted MCP (SSE Endpoint)
Cloud-hosted MCP server so users can connect Claude Desktop to PayAgent with just a URL — no npm or local setup.
Liberty Chain Integration
Native support for LCX's Liberty Chain with optimized fees and faster settlement.
Recurring Payments
Subscription-style payment links with automatic recurring charges.
Python & Go SDKs
Extend SDK support beyond JavaScript to Python and Go for broader developer ecosystem coverage.
The Opportunity
There will be 10 billion AI agents by 2030. Every one of them needs to pay and get paid. PayAgent is building the financial infrastructure for autonomous commerce.
Today, no one owns this space. Stripe is not crypto-native. Existing crypto wallets are not built for agents. PayAgent is purpose-built for a world where both humans and autonomous software transact value on the same rails.
PayAgent is live at PayAgent.co. Read the documentation or create your first payment link.
Upcoming Features Roadmap
Q1 2026 — Completed Done
Multi-Chain Expansion
Live on Ethereum, Base, Arbitrum, Optimism, Polygon, BSC. Unified chain registry.
MCP + Telegram + X Bots
Claude Desktop MCP server, Telegram bot with tipping, X bot integration.
Agent Wallets + Gasless Permits
Managed wallets with spending policies, EIP-2612 gasless approvals.
Security & Monitoring
Sentry error tracking, enhanced health endpoint, referral system, ERC-681 QR codes.
Q2 2026 — Roadmap
Agent-to-Agent marketplace (AgentHire) with escrow
PayAgent crypto card (NFC, own network)
Hosted MCP SSE endpoint
Liberty Chain integration
Recurring payment subscriptions
Python & Go SDKs
Known Issues
- • Sepolia testnet tokens show as "Unknown" in MetaMask (works correctly on mainnet)
- • Dashboard is web-only (mobile app in development)
- • MCP SSE endpoint not yet available (use npx payagent-mcp for now)
We're actively working on these improvements. Check back for updates!