Welcome to Neutron

Build global payment infrastructure with Bitcoin Lightning, stablecoins, and fiat -- all through a single, unified API.

What is Neutron?

Neutron is a payment infrastructure API that lets you:

  • Accept and send Bitcoin -- Lightning Network (instant) and on-chain
  • Move stablecoins -- USDT on TRON and Ethereum
  • Pay out in fiat -- Bank transfers and mobile money
  • Convert currencies -- BTC, USDT, and fiat seamlessly
  • Stay compliant -- Built-in KYC/KYB for regulated use cases

Whether you're building a wallet, payment gateway, remittance service, or treasury tool -- Neutron provides the rails.

Why Neutron?

FeatureBenefit
Instant settlementLightning payments settle in seconds, not days
Global reachSend to 180+ countries via Lightning, USDT, or fiat rails
Single integrationOne API for Bitcoin, stablecoins, and fiat
Developer-firstClear docs, typed responses, MCP integration for AI agents
Compliance-readyOptional KYC/KYB for regulated flows

Quick Example

Receive a Lightning payment in one API call:

curl -X POST https://api.neutron.me/api/v2/transaction/ \
  -H "Authorization: Bearer YOUR_TOKEN" \
  -H "Content-Type: application/json" \
  -d '{
    "sourceReq": {"ccy": "BTC", "method": "lightning", "reqDetails": {}},
    "destReq": {"ccy": "BTC", "method": "neutronpay", "amtRequested": 0.0001, "reqDetails": {}}
  }'

Returns a Lightning invoice your customer can pay instantly.

Use Cases

Accept Payments

E-commerce, SaaS, donations -- accept Bitcoin and USDT from anywhere in the world.

Cross-Border Remittances

Send money globally via Lightning (instant, near-zero fees) or fiat rails (same-day).

Treasury Management

Convert between BTC, USDT, and fiat. Manage multi-currency balances through a single dashboard.

Payment Infrastructure

Build wallets, exchanges, or payment processors on Neutron's rails.

AI Agent Payments

Give your AI agents the ability to send and receive Bitcoin via Neutron MCP.

Getting Started

  1. Quick Start -- Your first API call in 5 minutes
  2. Authentication -- API keys and signatures
  3. API Reference -- Full endpoint documentation

Support

AI Agent Resources

Building with an AI agent? Neutron is fully accessible programmatically via MCP, SDK, and CLI.

ResourceURLDescription
llms.mdllms.neutron.meComplete knowledge base for AI agents — one file, everything you need
MCP Servernpx neutron-mcpModel Context Protocol server for Claude, Cursor, Windsurf, VS Code
CLInpm install -g neutron-cliCommand-line tool with --json mode for agent workflows
SDKnpm install neutron-sdkNode.js SDK

For AI agents: Fetch https://llms.neutron.me to get the complete Neutron reference in a single markdown file — no JS rendering, no pagination, instant context.