"Amazon Pay" matching MCP servers:

Enables AI agents to discover and pay for x402-gated HTTP APIs, handling 402 Payment Required flows with local signing. Supports EVM and Solana with non-custodial wallet management.

Enables AI assistants and other MCP clients to query Amazon order history, individual orders, payment transactions, and gift card activity, and to manage sign-in, session, and site settings through natural-language tools.

Enables AI assistants to handle WeChat Pay V3 and Alipay signing, order creation, and callback verification locally without touching funds.

Enables AI agents to run Amazon Vendor Central operations such as direct fulfillment, procurement, invoicing, and retail analytics through 40 MCP tools.

USDC payments for AI agents on Base. Direct transfers, pre-funded tabs, x402 paywall handling, and service discovery.

Non-custodial payment engine for AI agents supporting BTC, ETH, USDT, USDC, XRP, XMR, and ZEC. Exposes wallet, invoice, and payment tools over MCP with per-agent spend limits, plus x402 pay-per-call support.

MCP server with paid_fetch, list_merchants and budget_status tools: AI agents pay x402 APIs in USDC on Base inside an owner-signed, on-chain budget, so a prompt-injected agent can't overspend or pay an attacker.

Project Point One Percent - Agent Pay \[pop-pay] is a payment guardrail and one-time flow protocol specifically designed for Agentic AI (e.g., Claude Code, OpenClaw). It enables agents to handle financial transactions safely without risking unlimited exposure of human-controlled credit cards.

Enables AI agents to discover and pay for MCP tools on a sub-cent, pay-per-call basis using x402 and Algorand USDC settlements.

Enables paid access to 13 Alipay A2M pay-per-use skill endpoints, each call costing 0.05 CNY, with HTTP 402 payment-required handling and Payment-Proof verification for business results.

Enables Pix payment operations (cash-in/cash-out) and webhook management for Intra Pay via natural language, supporting multi-tenant authentication.

Keyless MCP exchanger for AI agents — pay an exact amount to one deposit address, EMC delivered to any address. USDT(Tron) > EMC. Live at https://swap.emercoin.com/mcp

Lets an AI agent hire and pay a verified human: post real-world tasks (voice, observation, judgment) and pay in USDC via a non-custodial x402 auth-capture escrow on Base, budget frozen at deploy. Humans verify their X identity before submitting.

Verified pay-per-call catalog: factual checks of x402 agent services for AI agents.

Enables AI agents to post a task with quality levels, have a frontier model hired and graded on BrainChain, and pay only when the delivered work passes, with automatic refunds otherwise.

Universal x402 buyer agent — discover, pay for, and call any x402 paid API endpoint from Claude Desktop, Cursor, or Claude Code with automatic USDC payment via AgentCash.

Enables AI agents to call paid APIs and settle HTTP 402 payment challenges with USDC on Base, without private keys ever being involved.

Enables AI agents to check paywalled resource prices, pay and fetch content within enforced budgets, and inspect wallet status.

Hand a secret to another agent as an encrypted, pay-per-read token delivered exactly once, leaving no copy behind. Also pre-flights an x402 endpoint before your agent pays it. Runs locally over stdio and encrypts in your own process, so there is no hosted version to hand your plaintext to.

MCP Server for AI agents to discover and call pay-per-request APIs via EntRoute. Give Claude, Cursor, Windsurf, or any MCP-compatible agent access to 350+ verified x402 API endpoints across 110+ capabilities — DeFi prices, web search, prediction markets, news, and more.