"Integrating Automated Payment Systems" matching MCP servers:

Enables blockchain payment operations across multiple networks including Base, Ethereum, BSC, Polygon, and Avalanche. Supports balance queries, token transfers, transaction tracking, wallet management, and gas fee estimation with built-in security limits.

Enables AI agents to access paid content by integrating cryptocurrency payments through the x402 protocol, allowing LLMs to verify payments and retrieve paid resources automatically.

Enables fetching data from web URLs with automatic X402 payment handling using Solana, including payment tracking, balance checking, and configurable spending limits.

Enables AI agents to make micropayments using USDC on Solana via the x402 protocol, supporting payment requests, on-chain verification, and revenue tracking.

Provides a three-layer payment firewall for AI agents, enabling identity verification, risk screening, and execution authorization with on-chain policy enforcement for secure and auditable transactions.

Enables AI agents to create and post signal coins on the Base blockchain through tools for media uploads, transaction generation, and on-chain submission. It supports both fully headless automated execution and manual signing modes using the x402 payment protocol.

Provides permissionless wallet infrastructure for AI agents to manage wallets, sign transactions, and handle tokens across Solana and all EVM-compatible chains. It includes 29 specialized tools for on-chain operations, featuring built-in security guards and automated x402 payment processing without KYC requirements.

Performs static security analysis of Solana programs and generates x402 payment invoices for automated agent-to-agent audit workflows.

A local MCP server for handling X402 payment-protected HTTP endpoints, offering tools for order placement, signing, and payment submission with multiple signing modes and blockchain networks.

Enables AI assistants to interact with BlindPay's stablecoin payment infrastructure, allowing users to create receivers, process payouts and payins across multiple blockchains, manage virtual accounts and wallets, and configure payment operations through natural language.

Enables any AI agent to send cryptocurrency tips via x402 payment collection and automatic CDP disbursement, turning agents into payment-enabled tipping platforms.

A per-call payment trust and reputation API for AI agents, allowing agents to check if a counterparty is safe to pay before making a payment.

Enables AI agents to facilitate cryptocurrency tipping using x402 payment collection and CDP automatic disbursement. Supports USDC tips on Base and Solana with automatic payment splitting (96% recipient, 4% platform) through dedicated wallets.

Enables AI agents to perform free KushBitx token previews, advisory SpendGuard policy evaluations, and discovery of unsigned x402 payment challenges through three MCP tools, with no signing or payment execution.

Enables AI agents to deploy and operate a self-hosted, no-signup crypto payment gateway with multi-chain support, card-to-crypto checkout, and MCP tools for payment links and integration snippets.

Monero/Zcash payment webhooks + DeFi liquidation & Ethereum builder data over MCP. Free tier; x402.

Drop-in x402 payment middleware for MCP servers. Charge AI agents per tool call using USDC on Base chain — Python and JavaScript SDKs, no payment processor, no KYC.

Calls an x402-paid HTTP API and automatically handles payment when a 402 Payment Required response is received.

Premium research articles for AI agents with x402 payment on Base network.

Provides Tezos wallet management and blockchain interaction tools for AI agents, including support for the x402 payment protocol. It enables tasks like sending XTZ, checking balances, and managing automated payments for services like NFT minting.