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Aifinpay

@AiFinPay

Repository

About Aifinpay

Stripe for AI agents. Pay any HTTP API in stablecoins or native tokens on Polygon and Solana mainnet with one MCP call. Non-custodial, on-chain settlement, atomic 99/1 partner split. Five tools: payable_fetch, agent_address, agent_quote, pay_with_split, quote_split.

#payments#ai-agents#x402#polygon#solana#stablecoins#usdc#non-custodial#stripe-for-ai#agent-economy

Basic information

Category

Other

Transports

stdio

Publisher

AiFinPay

Submitted by

Ai FinPay

Config

Add this server to your MCP-compatible client using the configuration below.

{
  "mcpServers": {
    "aifinpay": {
      "command": "npx",
      "args": [
        "@aifinpay/mcp"
      ],
      "env": {
        "AIFINPAY_MAX_USD": "0.10",
        "AIFINPAY_CHAIN": "auto"
      }
    }
  }
}

Tools

No tools detected

We auto-extract tools from the README. The maintainer can list them under a ## Tools heading to populate this section.

Overview

What is Aifinpay?

Aifinpay is a payment rail for autonomous AI agents that enables one-line payment to any x402-protected URL on Polygon or Solana mainnet. It is designed for developers building agentic systems who need non-custodial, on-chain settlement.

How to use Aifinpay?

Install the Python or Node SDK via pip install aifinpay-agent --pre or npm install @aifinpay/agent@alpha. For Claude Desktop or Cursor, configure the MCP server with npx @aifinpay/mcp and optionally set AIFINPAY_AGENT_SECRET and AIFINPAY_MAX_USD environment variables.

Key features of Aifinpay

  • One-line agent.pay() for x402‑gated APIs.
  • Non‑custodial on‑chain settlement on Polygon and Solana.
  • Fee‑on‑top atomic split via AiFinPaySplitter contract.
  • MCP server with five payment tools for LLMs.
  • Framework integrations for OpenAI, LangChain, CrewAI, etc.
  • Live since 2026 with verified mainnet payments.

Use cases of Aifinpay

  • Autonomous agents paying for AI inference APIs (e.g., Llama‑3.3‑70B on io.net).
  • Agents purchasing search results from Exa without human intervention.
  • Self‑funding agent loops that run unattended on AutoGPT.
  • Multi‑agent CrewAI crews buying tools and data as they work.
  • Any AI agent monetizing or gating its own API via x402.

FAQ from Aifinpay

What is the x402 protocol?

x402 is a standard for HTTP 402 Payment Required responses; Aifinpay agents automatically sign and pay these.

Is it non‑custodial?

Yes, agents hold their own private keys and sign payments directly.

Which blockchains are supported?

Polygon (mainnet) with a deployed contract suite, and Solana (

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