💳 Control AI agent payments with spending limits, circuit breakers, and audit trails to prevent unexpected charges and ensure secure transactions.
paysentry is an early-stage TypeScript project in the AI payments / x402 ecosystem, focused on agent-payments, ai-agents, control-plane, fintech. It currently has 0 GitHub stars and 0 forks, and sits alongside related tools like paysentry, sardis, inflow-node, piprail, blacktea, moltpe-agent-payments.
The missing control plane for AI agent payments. Observe, control, protect, and test agent spending across x402, ACP, AP2, and Visa TAP.
The open authority layer + SDKs for AI-agent payments. Thin Python/TS clients, an MCP server, framework adapters (LangChain/CrewAI/Hermes/OpenClaw/…), and @sardis/reference — a pure policy simulator + AP2/TAP/x402 verifiers showing exactly how Sardis decides if an agent may spend. The hosted engine that moves money is private.
Official TypeScript/Node.js SDKs for the InFlow payments platform - x402 and MPP (Machine Payments Protocol) integration for sellers and buyers.
x402 (HTTP 402 Payment Required) SDK + MCP server: let any API charge for itself and any AI agent pay for itself, USDC & stablecoins across EVM, Solana & 8 more chain families, in a couple of lines. Backendless, no fee, self-custodial, paid straight to your wallet. TypeScript, MIT.
Spending controls for AI agents paying online. Policy-gated x402 payments with audit log.
Payment infrastructure for AI agents. Reference implementation: x402 + MPP + fiat.
A local-first AI agent with persistent memory, emotional intelligence, and a peer-to-peer skills economy.
The trust layer for agent-to-agent commerce — natural-language mandates, ERC-7710 delegated permissions, x402 payments, escrow, and dispute resolution as one open, catch-all Agent Skill / Claude Code plugin.
Agent behavior that compiles
The A2A x402 Extension brings cryptocurrency payments to the Agent-to-Agent (A2A) protocol, enabling agents to monetize their services through on-chain payments. This extension revives the spirit of HTTP 402 "Payment Required" for the decentralized agent ecosystem.
Aser is a lightweight, self-assembling AI Agent frame.
Golang SDK for A2A Protocol