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Bitcoin Lightning Payments — No Signup, No Credit Card

Send Email with Bitcoin

Anonymous emails — 200 sats each

Send emails to any address and pay with Bitcoin Lightning. No account creation, no domain verification, no monthly fees. Type your message, pay the Lightning invoice, and it's delivered. Optionally include a reply-to address — or stay fully anonymous.

Send an Email Now

Fully Anonymous

No account, no email address, no identity verification. Send emails without revealing who you are.

Flat Rate Pricing

200 sats per email, every time. No tiers, no monthly plans, no hidden fees.

Deliver Anywhere

Send to any email address worldwide. Plain text emails with subject lines up to 200 characters.

How It Works

1

Choose Your Tool

Pick the AI tool you need from the dashboard. No account creation, no email verification, no credit card on file. Just open the tool and start using it.

2

Pay with Bitcoin Lightning

A Lightning invoice is generated for the exact amount in satoshis. Scan it with any Lightning wallet — Phoenix, Muun, Wallet of Satoshi, Alby, or any other. Payment confirms in under a second.

3

Get Your Result

Your result is generated and delivered immediately after payment. Download it, copy it, or use it however you need. No data is stored, no history is kept — your session is completely private.

What You Can Do

Send to Any AddressPay with LightningOptional Reply-ToNo SignupPlain Text EmailsL402 API Access

Why Sats4AI?

Lightning Fast Payments

Scan a Lightning invoice, pay in sats, and start generating instantly. No waiting for credit card authorization or bank transfers. Payments settle in under a second on the Lightning Network.

100% Private

No account, no email, no KYC. Bitcoin preserves your privacy by default. We don't track who you are or what you generate. Your data is processed in memory and never stored.

Pay Per Use — No Subscriptions

Only pay for what you use. No monthly fees, no minimum commitments, no unused credits expiring. One satoshi payment per request, priced transparently in sats.

For Developers and AI Agents

Every tool on Sats4AI is available programmatically. Build applications that pay for AI with Bitcoin, or connect your AI assistant directly.

L402 API

Access every tool via HTTP with Lightning-authenticated L402 payments. No API keys needed — just pay the invoice attached to each request.

View L402 docs →

MCP Server

Connect AI assistants like Claude, Cursor, and Windsurf directly to Sats4AI tools using the Model Context Protocol. One line of config.

View MCP setup →

Agent-Ready

Built for autonomous AI agents. Machine-readable pricing, enum-based parameters, and instant micropayments let agents discover and use tools without human intervention.

View OpenClaw guide →
Read: How to Send Email with Bitcoin Lightning
200 sats
per email
≈ $0.20 USD
Try It Now