An open SDK for agentic payments. Let AI agents make payments, hold funds, and move money across chains with policy enforcement and human approval built in.
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Updated
May 7, 2026 - Rust
An open SDK for agentic payments. Let AI agents make payments, hold funds, and move money across chains with policy enforcement and human approval built in.
The neutral micropayment router for autonomous agents. A single HTTP client that intercepts '402 Payment Required', routes across x402, L402, and MPP, persists credentials as recoverable assets, enforces per-envelope budgets, and emits a structured trace.
A curated list of protocols, specs, SDKs, and tools powering the emerging agentic commerce stack.
Golang Interface for Machine Payments Protocol by cp0x
An open-source, serverless and agentic design for pay-per-use AI content generation using USDC stablecoin payments via x402, featuring browser wallet and autonomous agent flows on AWS.
Security middleware for x402 agentic payments — PII redaction, spending policy, and replay detection before blockchain commit
This will be used as the repository for the demo with x402 and fastset
Bipa CLI — payment rails for AI agents. Pre-built binaries and managed installer.
x402 debugger CLI for Base. bazaar-check, validate, explain, reconcile — read-only, local, Sepolia + mainnet.
Production reference for agentic commerce: protocols (ACP, AP2, x402, MCP), stablecoin rails, agent skills, and the merchant playbooks specs leave out — refunds, multi-chain settlement, catalog discovery, fraud, jurisdiction, receipts. Maintained by Cryptorefills.
MCP server for 402 Index: discover 15,000+ paid API endpoints across L402, x402, and MPP
Trust and quality infrastructure for AI agents. 225+ quality-scored capabilities, SQS scoring, EU AI Act support.
Self-serve x402 payment infrastructure for AI agents. Pay-per-call APIs with USDC on Base, Solana, and Cosmos.
x402 micropayments for AI agents - no wallets, no blockchain, just credits.
MCP-native pay-per-tool-call micropayments for AI agents (Solana + USDC + x402)
x402 payment middleware for Cloudflare Workers — POC 1 of the Stable402 reference implementation series
A pedagogical teaching starter template for x402 payment gating and EIP-3009 session keys on Arc L1
Wash-filtered intelligence layer for the x402 ecosystem. Real-time service catalog, category price benchmarks, wash trading detection, and time-series analytics across Base, Solana, Polygon, and Arbitrum. Free public data, open methodology, AI-native API and MCP server for autonomous agents. Built on agentic payments and stablecoin micropayments.
The first universal payment wallet for AI Agents. USDC on Base.
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