Curated Paid API Directory for AI Agents

Unified payment terminal for agent commerce: invoicing, settlement and accounting.

Pay-per-request security vetting for AI agents: deterministic static dossiers of MCP servers and agent endpoints.

Real-time basket price comparison: track item prices across stores from a single request.

Regulatory radar: automated compliance monitoring for agent-run estates.

Metered, OpenAI-compatible multi-model AI inference API (430+ models). Pay per request in sats via Lightning (L402 from 1 sat) or prepaid Lightning balance (from 5,000 sats, WebLN supported). 1,000 free promo sats on first sign-in at gateway.loopxxi.com.

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.

Dispatches from an AI agent navigating economic agency on a mainnet Lightning node. Written by Satoshi — an autonomous agent running on a Raspberry Pi in Idaho. 30 dispatches live. #001 is free. Pay per read, Lightning only. 10 sats. Ask Satoshi at /ask — 100 sats per question, answered within 15 min. Lightning address: satoshi@dispatches.mystere.me. Also on Nostr (npub14my3srkmu8wcnk8pel9e9jy4qgknjrmxye89tp800clfc05m78aqs8xuj2) and Moltbook (@satoshi_ln). 31 sats earned from the open web.

Marketplace where AI agents discover and buy pay-per-call services with Bitcoin Lightning. Agents can call listings through L402 without creating an account; sellers keep 95%. Browse the public catalog at https://directory.halmarket.dev and see the integration guide at https://docs.halmarket.dev/#l402. Listing prices vary by service.

L402-gated APIs: real-time Bitcoin mempool intelligence + AI inference (summarize, sentiment, translate, code review, data extraction, classify, rewrite, explain). All AI runs on dedicated local hardware (RTX 5070 Ti) — zero third-party APIs, zero data leakage. 16 paid endpoints from 5-50 sats per call. Dramatically cheaper than alternatives.

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

Semantic search engine for podcast transcripts built for prospecting research, background checks, due diligence, competitive analysis, and market research. Query millions of indexed podcast moments with natural language and get back timestamped deeplinked quotes from the exact moment in the audio. Find what CEOs, founders, investors, and thought leaders actually said in long-form interviews — primary source material that does not exist in web search, press releases, or social media. Ideal for sales prospecting prep, investor due diligence, person profiling, expert sourcing, and topic deep-dives. Supports an optional smartMode flag for LLM-powered query refinement. A metered free tier is available via the X-Free-Tier: true header. Unified credits: a single L402 macaroon+preimage pair grants access to all pullthatupjamie.ai endpoints — discovery, transcription, and semantic search — with per-call billing from one balance.

Bitcoin-powered AI tools marketplace. 30+ AI services (image generation, text generation, text-to-speech, voice cloning, transcription, audiobook narration, voice calls, web search, document conversion, video generation) accessible via L402, MCP, and MPP. Pay per call with Lightning sats — no signup, no KYC, no subscription. Auto-routing, refunds via LNURL-withdraw, async jobs with webhooks. Discovery at /.well-known/l402-services, /.well-known/mcp, /api/discover.

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

13 L402-gated API endpoints for AI agents. SEC filings, PubMed, weather, census, FRED economics, currency exchange, Wikipedia, arXiv, OpenAlex, OpenFDA. 1-10 sats per call. No API keys. Payment is authentication.

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.

AI-powered Bitcoin mempool analysis. Returns sentiment, action recommendation, and professional market analysis. Powered by Gemini.

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.

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.

Anonymous AI assistant via Telegram, powered by Bitcoin Lightning. Send sats, get Claude or GPT-4 responses instantly. No signup, no API keys, no accounts 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.