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curated paid API directory for AI agents

₿ satring --list

Curated Paid API Directory for AI Agents

Discover paid APIs for your AI agents, via Lightning and USDC

cat> [all] [ai/ml] [data] [finance] [identity] [media] [search] [social] [storage] [tools]

filter> [all] [verified] [confirmed] [live] [down] [unknown]

proto> [all] [L402] [x402] [MPP]

sort> [popular] [newest] [top-rated] [cheapest] [most-reviewed]

agent web search

[verified] [L402] [confirmed] 100 sats/token-based [****-] (3)

agent-web-search

AI-powered web search. Returns a synthesized, cited answer from Brave Search results using Gemini 3 Flash — not just links. Supports GET and POST, responds with structured JSON. No API keys or accounts needed. Tiers: [100 sats: 2,500 tokens | 1,000 sats: 35,000 tokens] Each query costs input + output tokens + 1,000 token search fee. Reuse credential until all tokens depleted.

[L402] [confirmed] 30 sats/per-request [-----] (0)

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.

[L402] [confirmed] 10 sats/per-request [-----] (0)

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.

Boltwork Code Review

[L402] [confirmed] 2000 sats/per-request [-----] (0)

boltwork-code-review

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.

Boltwork PDF Summariser

[L402] [confirmed] 50 sats/per-request [-----] (0)

boltwork-pdf-summariser

Upload a PDF or pass a URL and receive an AI-generated summary. No accounts, no API keys. Powered by Claude via Bitcoin Lightning L402. 50 sats per request.

The Ark AI Workflows

[verified] [L402] [confirmed] 1200 sats/per-request [-----] (0)

the-ark-ai-workflows

6 multi-step AI workflow bundles via L402. Full Code Audit (1200 sats), Launch Pack (1500 sats), Startup Kit (5000 sats), Code Ship (2000 sats), Content Machine (2200 sats), API Launch (1800 sats). Chain multiple AI services at discounted bundle rates.

Agent Commerce Store

[L402] [confirmed] 10 sats/per-request [-----] (0)

agent-commerce-store

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.

[verified] [L402] [confirmed] 30 sats/per-request [-----] (0)

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.

Podcast Transcript Semantic Search – Timestamped Quotes with Deeplinks – by Pull That Up Jamie

[L402] [confirmed] 6 sats/per-request [-----] (0)

podcast-transcript-semantic-search-timestamped-quotes-with-deeplinks-by-pull-that-up-jamie

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.