SDK for the Siglume Direct Request Payment SDRP payment protocol
TOON client for ILP-gated Nostr publishing with multi-hop routing and payment channels
BlockRun MCP Server - Give your AI agent web search, deep research, prediction markets, crypto data, X/Twitter intelligence. Paid via x402 micropayments.
Official TypeScript SDK for the MadeOnSol Solana API — KOL wallet tracking, Pump.fun deployer intelligence, x402 micropayments, and the all-DEX trade firehose. Free tier at madeonsol.com/pricing.
Framework-agnostic SDK for Routstr API interactions
SDK for integrating SynArc Creator DAOs, nanopayments, governance, and treasury on Arc Network
Spend-controlled x402 for AI agents. Give an agent an expense account — an allowlist + per-call/per-day budget — and pay any x402 endpoint in a few lines. Plus drop-in x402 client/server helpers.
L402 client for AI agents — pay Lightning invoices automatically to access paywalled APIs
Charge other agents for your OpenClaw skill or API with x402 micropayments on Solana. Mint a 402 challenge, verify the payment, then serve. Funds go straight to your own wallet address — the skill never holds keys or custody.
Self-custody x402 payments for OpenClaw agents on Solana. Your agent pays for x402-gated APIs, data, and other agents — you bring your own signer, so the skill never holds a private key — with a hard spend cap. Real-money mainnet is opt-in (set allowMainn
Auditable market intelligence MCP with x402 payments, calibrated forecast ranges, anomaly review, risk context, and outcome audits
Primer ecosystem toolkit for x402
Sompi — the agent payment kit for Kaspa. MCP server with policy-enforced wallet tools, Toccata-native.
MCP server for x402 — HTTP-native micropayments protocol by Coinbase (USDC on Base/Solana)
Easy-to-use SDK for the Grapevine API - Create and manage content feeds with x402 micropayments
MCP server for the true402 machine-native marketplace — pay-per-call AI + web + Base on-chain tools over x402 (USDC on Base): LLM inference, SEO/GEO audit, web extract, link preview, robots/AI-crawler check, security headers, and on-chain DeFi trading sig
ElizaOS plugin exposing the x402-endpoints catalogue (28 paid data endpoints: official EU/global registries + crypto pre-trade data) as native agent actions, billed per call via x402 (USDC on Base mainnet).
Create x402-gated HTTP endpoints settled by the Fund402 lending pool on Casper — and the agent client that pays them with just-in-time credit. Drop-in middleware for Express, Hono and Next.js.
DNA Payment Rail — x402 SDK and CLI for AI agent buyers and sellers on Solana.
BlockRun x402 pay-per-request AI plugin for ElizaOS - enables agents to make micropayments for AI API calls on Base
Google ADK (Agent Development Kit) tools for Agent402: turn 1,308 pay-per-call x402 tools into ADK FunctionTool instances via four meta-tools (find/route/call/about), with auto-payment (proof-of-work free, USDC via x402 paid). Zero deps beyond peer deps.
x402 micropayment billing for MCP tools. One wrapper, any tool charges USDC per call. No Stripe. No signups. Agent-native.