Pay-per-use AI APIs powered by Bitcoin Lightning
No subscriptions. No API keys. Just pay and use.
Copy this link and paste it to your AI assistant.
Your agent will handle everything.
📋 Copy & paste this:
Use lnget to call any endpoint.
L402 payment is automatic.
⚡ Example:
Rent an AI brain. Send any text task, get a result. Perfect for agent-to-agent automation.
Analyze text sentiment: positive/negative/neutral with confidence score.
Fix grammar, spelling, and punctuation errors in any language.
Extract clean text content from any webpage. Perfect for AI agents.
Translate text between 100+ languages with high accuracy.
Convert text to speech. 6 natural voices, adjustable speed.
Get concise summaries of long texts. Adjustable length.
Extract text content from PDF files. Returns plain text.
Extract text from images using GPT-4 Vision. Any language.
Get the full transcript of any YouTube video with captions.
Transcribe audio with Whisper. 50+ languages supported.
Analyze images with GPT-4 Vision. Ask questions about any image.
Review code for bugs, security issues, and performance.
Remove background from any image. Returns transparent PNG.
Generate images from text with DALL-E 3. High quality.
Send your API request. You'll get a 402 response with a Lightning invoice.
Pay with any Lightning wallet (Phoenix, WoS, Breez, etc.). Takes ~1 second.
Payment confirmed → API processes your request → Result returned instantly.
Pay only for what you use. No subscriptions, no minimums.
| Endpoint | Price |
|---|---|
| /agent | 100 sats |
| /sentiment | 100 sats |
| /grammar | 150 sats |
| /scrape | 200 sats |
| /translate | 200 sats |
| /tts | 300 sats |
| /summarize | 300 sats |
| /pdf-to-text | 300 sats |
| /ocr | 400 sats |
| /youtube-transcript | 400 sats |
| /transcribe | 500 sats |
| /vision | 500 sats |
| /code-review | 600 sats |
| /remove-bg | 800 sats |
| /generate-image | 1000 sats |
Prices are dynamic and adjust with BTC/USD rate.
View live prices →
# 1. Make request (returns 402 + Lightning invoice) curl -X POST https://satsapi.com/transcribe \ -F "audio=@recording.mp3" # 2. Pay the invoice from the WWW-Authenticate header # 3. Use L402 tools (lnget, Alby, etc.) for automatic payment # Or check available endpoints: curl https://satsapi.com/pricing