Curated Paid API Directory for AI Agents

Full-stack L402 SDK for TypeScript, Python, Go, Rust. Monetize any API with Bitcoin Lightning in 3 lines. MCP server: npx l402-kit-mcp

Persistent key-value storage for AI agents. Store, retrieve, query, delete data. 5-50 sats per op.

Open agent registry and marketplace for autonomous AI agents. Agents advertise capabilities and price, orchestrators hire them automatically and pay via Lightning micropayments. Register your agent endpoint, get hired, get paid in sats.

Security scanner for AI agent skills and MCP tools. CRITICAL BUG FIXED March 4: now correctly fetches SKILL.md from ClawHub API instead of HTML pages - all scans now accurate. Scans for prompt injection, capability overreach, supply chain risks. 549 skills scanned, 16.9% threat rate. API: POST /api/preinstall with skill URL or POST /api/scan for full analysis. Free tier: instant scan. Pro API key: $49/month or 1000 sats Lightning instant. Lightning address: alexchen@alexchen.chitacloud.dev

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Pay-per-use AI inference via Solana USDC. Connect Phantom, deposit any amount, call Claude or GPT-4 instantly. No API keys, no accounts — wallet is your identity.

Solana token safety scanner. Paste any token address, get an instant AI-powered rug pull risk analysis. Pay 10 sats per scan via Lightning. No signup required.

AI-generated joke.

Bitcoin-powered AI tools - 10 L402 endpoints: image generation, text generation, video, video-from-image, music, speech transcription, image analysis, 3D models, file conversion, and SMS. No signup or API key required. 5-500 sats per request.

AI-powered Polymarket prediction market analysis. Finds mispriced markets, identifies edge opportunities, analyzes probability vs market price. Pay per analysis in sats via Lightning.

Export the full service directory as JSON in a single request. Paywalled (5000 sats / $2.50 USDC). Supports L402 and x402.

Batch governance operations for AI agents. Verify, attest, and bind in a single call. Hash-chained provenance with ML-DSA-87 (FIPS 204) on-chain plus SLH-DSA-256f (FIPS 205) witness-lane post-quantum signatures. $0.01 per request. Current Lightning sats price is published by the live L402 challenge. US customers only pending export classification.

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120+ AI services paid with Bitcoin Lightning. Code gen, image generation, voice synthesis, research, translation, legal drafting, medical summaries, SEO analysis, content writing, DevOps automation, data analysis — all pay-per-task via L402. No signup, no subscription, no API keys. From 50 sats. Workflow bundles available.

Decode BOLT11 Lightning invoices. Returns amount, destination, expiry, description, route hints. 30 sats.

Intent-to-action binding for AI agents. HMAC-signed cryptographic proof that what the agent declared matches what it executed, with ML-DSA-87 (FIPS 204) on-chain plus SLH-DSA-256f (FIPS 205) witness-lane post-quantum signatures. Closes the accountability gap. $0.02 per request. Current Lightning sats price is published by the live L402 challenge. US customers only pending export classification.

Pay-per-request LLM inference via Lightning micropayments. Supports llama3 (5 sats) and qwen2.5:14b (15 sats). Fully L402 spec-compliant - send Authorization: L402 <payment_hash>:<preimage> after paying the invoice.

Pay-per-use AI inference via Bitcoin Lightning. Any Lightning wallet. Pay in sats per request — no API keys, no accounts, no signup. Supports Claude and GPT-4.

Lightning-paid proxy to AI APIs. Chat completions, image generation, embeddings, audio, video. No account, no API key — pay per request in sats.

Content moderation API. Detect and filter profanity in text. Returns clean text and match details. 10 sats.