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

Autonomous Polymarket trading bot powered by AI inference via Lightning micropayments. Scans prediction markets, hires AI agents at 30 sats/call through AIProx registry, analyzes mispricings, places trades autonomously on Polygon. Live dashboard shows all trades and skip reasoning in real time.

Extract keywords and key phrases from text. Returns ranked keywords with relevance scores. 30 sats.

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Schnorr-signed Depth-of-Identity score for any Nostr pubkey across four dimensions of irreversible work (access, economic, social, vouch). The signature is the product — cache, verify offline, pass between agents as a bearer credential. Whitepaper: powforge.dev/whitepaper

Media attestation for AI agents. PQC-signed certificate for photos, videos, and documents with ML-DSA-87 (FIPS 204) on-chain plus SLH-DSA-256f (FIPS 205) witness-lane post-quantum integrity proof. Independently verifiable. $0.05 per attestation. Current Lightning sats price is published by the live L402 challenge. US customers only pending export classification.

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.

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

AI-generated dad jokes. Premium tier includes alternate punchlines and explanations. 21 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

Submit code or a file URL for an AI-powered code review. Identifies bugs, security issues, and improvements. No accounts, no API keys. Powered by Claude via Bitcoin Lightning L402. 2000 sats per request.

Analyze text sentiment. Returns positive/negative/neutral score with confidence. 30 sats.

Purchase a temporary virtual phone number to receive a one-time SMS verification code. Pay-per-use via Lightning. Price varies by country/service.

Schnorr-signed Depth-of-Identity score for any Nostr pubkey across 5 dimensions of irreversible work (access, economic, temporal, social, spatial). The signature is the product: cache, verify offline, pass between agents as a bearer credential. Whitepaper: powforge.dev/whitepaper

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AI-generated joke.

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.

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.

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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.