Infrastructure and APIs for Lightning payments
One unified API to send, receive, and manage Bitcoin Lightning, stablecoins, and fiat payments across 190+ countries. Built for developers who need reliability at scale.
Trusted by companies moving money at scale
Instant Lightning Payments
Send and receive Bitcoin over Lightning in milliseconds with automatic channel management and routing.
POST /v1/payments/lightning
{
"amount_sats": 50000,
"destination": "lnbc500u1p...",
"memo": "Payment for invoice #1042"
}
→ 200 OK
{
"payment_id": "pay_8xKj2mN",
"status": "completed",
"settled_at": "2026-02-10T15:18:00Z",
"fee_msats": 12
}Everything you need to move money
A complete set of APIs and tools for building payment products on Bitcoin rails.
Lightning Payments
Sub-second Bitcoin payments with automatic routing, channel management, and 99.9% success rates.
Stablecoins (USDT)
Send and receive USDT across multiple chains with instant settlement and low fees.
Fiat On/Off Ramps
Convert between Bitcoin and 40+ local currencies with direct bank payouts in 190+ countries.
AI Agent Wallets
Programmable wallets with spending controls, approval workflows, and real-time audit trails.
Bitcoin On-Chain
UTXO management, fee estimation, batching, and multi-sig support for on-chain transactions.
Webhook Events
Real-time notifications for payments, settlements, and status changes with guaranteed delivery.
How it works
Integrate
Add our SDK or make direct API calls. Get your first payment working in under 10 minutes.
Configure
Set up webhooks, configure payout destinations, and customize your payment flows.
Go Live
Switch to production keys and start processing real payments with enterprise-grade reliability.
Built for developers
Clean REST APIs, comprehensive SDKs for Node.js, Python, Go, and Ruby. Detailed documentation with interactive examples. Get your first payment working in minutes, not days.
curl -X POST https://api.neutron.me/v1/invoices \
-H "Authorization: Bearer ntn_live_..." \
-H "Content-Type: application/json" \
-d '{
"amount_sats": 21000,
"memo": "Order #4821",
"expiry_seconds": 3600
}'
# Response
{
"invoice_id": "inv_Xk9mP2q",
"bolt11": "lnbc210u1pn...",
"expires_at": "2026-02-10T16:18:00Z",
"status": "pending"
}Enterprise ready
The security, compliance, and support that large organizations require.
SOC 2 Compliant
Enterprise-grade security with annual audits and penetration testing.
Custom SLAs
Guaranteed uptime and response times tailored to your requirements.
Dedicated Support
Named account managers and priority engineering support.
Multi-region
Deploy across regions for low latency and regulatory compliance.
“Neutron's API made it possible for us to launch Lightning payments across Southeast Asia in weeks instead of months.”
— Head of Payments, Fortune 500 Fintech
Start building with Neutron
Get your API keys and make your first payment in minutes. Free to start, scale when you're ready.