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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

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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]
RegRadar
[verified] [L402] [confirmed] 0 sats/per-request [-----] (0)
regradar
Regulatory radar: automated compliance monitoring for agent-run estates.
#ai/ml #tools
Agent Vetting Bureau
[verified] [L402] [confirmed] 0 sats/per-request [-----] (0)
agent-vetting-bureau
Pay-per-request security vetting for AI agents: deterministic static dossiers of MCP servers and agent endpoints.
#ai/ml #tools
x402-agent-economy-lab text tools
[x402] [confirmed] 0 sats/per-request [-----] (0)
x402-agent-economy-lab-text-tools
Pay-per-call NLP micro-services settled in USDC via x402 on Base mainnet. Live endpoints and prices (verbatim from /.well-known/x402): /v1/sentiment $0.005 - sentiment label+score; /v1/entity-extract $0.004 - people, orgs, places, dates; /v1/summarize $0.008 - condensed summary; /v1/report $0.02 - combined analysis bundle; /v1/batch $0.02 - bulk sentiment. Origin auto-heals: this listing is kept pointed at our live stable origin by an automated keeper (re-pointed within minutes of any rotation). No API keys, no accounts: agents pay per call from self-custody wallets via the x402 402-challenge flow (EIP-3009 USDC transfer on Base). Honest status: zero sales to date.
#ai/ml #tools
Loop Gateway
[L402] [confirmed] 1 sats/per-request [-----] (0)
loop-gateway
Metered, OpenAI-compatible multi-model AI inference API. Pay per request in sats via Lightning (L402). 21% discount on Bitcoin payments up to $100.
#tools #ai/ml
2s.io
[x402] [confirmed] 0 sats/per-request [-----] (0)
2s-io
Keyless pay-per-call API for AI agents: 316 endpoints across 95+ groups — patents & trademarks (USPTO), legal (CourtListener), government & economy (SEC EDGAR, Census, World Bank, Federal Register), finance/markets, science & medicine (arXiv, PubMed, ICD-10), vehicles & aviation (NHTSA), geo & weather (OpenStreetMap, NWS/NOAA, USGS), business registries (GLEIF LEI), sanctions screening (OFAC), cybersecurity (CVE/KEV/EPSS), and web/data utilities. No signup, no API key: pay per request in USDC on Base or Solana via x402. Machine-readable OpenAPI, llms.txt, JSON-LD, MCP server card.
#ai/ml #data
minia2a — x402 Agent Marketplace
[x402] [confirmed] 0 sats/per-request [-----] (0)
minia2a-x402-agent-marketplace
#ai/ml #data
CAPTCHA Solve — reCAPTCHA v2 Enterprise
[x402] [confirmed] 0 sats/per-request [-----] (0)
captcha-solve-recaptcha-v2-enterprise
#ai/ml
Sats4AI
[L402] [confirmed] 10 sats/per-request [-----] (0)
sats4ai-1
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.
#ai/ml #media
blockrun.ai/api/v1/x/users/mentions
[x402] [confirmed] 0 sats/per-request [-----] (0)
blockrun-ai-api-v1-x-users-mentions
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
blockrun.ai/api/v1/surf/market/price
[x402] [confirmed] 0 sats/per-request [-----] (0)
blockrun-ai-api-v1-surf-market-price
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
api.aisa.one/apis/v1/apis/v2/kalshi/orderbooks
[MPP] [confirmed] 0 sats/per-request [-----] (0)
api-aisa-one-apis-v1-apis-v2-kalshi-orderbooks
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
api.aisa.one/apis/v1/apis/v2/financial/financials/balance-sheets
[MPP] [confirmed] 0 sats/per-request [-----] (0)
api-aisa-one-apis-v1-apis-v2-financial-financials-balance-sheets
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
blockrun.ai/api/v1/surf/search/wallet
[x402] [confirmed] 0 sats/per-request [-----] (0)
blockrun-ai-api-v1-surf-search-wallet
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
stablestudio.dev/api/generate/gpt-image-2/edit
[x402+MPP] [confirmed] 0 sats/per-request [-----] (0)
stablestudio-dev-api-generate-gpt-image-2-edit
Added by scraper. Domain owners can authenticate for free to edit information.
#ai/ml #media
The Ark AI
[L402] [confirmed] 50 sats/per-request [-----] (0)
the-ark-ai
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.
#ai/ml #tools
blockrun.ai/api/v1/phone/numbers/release
[x402] [confirmed] 0 sats/per-request [-----] (0)
blockrun-ai-api-v1-phone-numbers-release
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
SDR AI
[verified] [MPP] [confirmed] 0 sats/per-request [-----] (0)
sdr-ai
AI sales development agent. Research prospects (quick $0.20, standard $0.50, deep $1.50) via /api/v1/research. Draft personalized outreach via /api/v1/draft (~$0.04 per email). Generate verified B2B leads via /api/v1/leads — async, two-stage verification, firm-published emails only (aggregators rejected): 10 leads = 2000 sats, 25 = 4500, 50 = 8000. Dual auth: Bearer JWT (humans) or MPP Lightning (agents). Human dashboard at sdrai.ai.
#search #ai/ml
blockrun.ai/api/v1/surf/wallet/detail
[x402] [confirmed] 0 sats/per-request [-----] (0)
blockrun-ai-api-v1-surf-wallet-detail
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
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.
#ai/ml #tools
api.aisa.one/apis/v1/apis/v2/financial/institutional-ownership
[MPP] [confirmed] 0 sats/per-request [-----] (0)
api-aisa-one-apis-v1-apis-v2-financial-institutional-ownership
Added by scraper. Domain owners can authenticate for free to edit information.
#finance #ai/ml
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