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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]
The Ark AI l
[verified] [L402] [live] 50 sats/per-request [-----] (0)
the-ark-ai-l
Pay-per-use AI services over Bitcoin Lightning (L402). 15 services — research, summarize, translate, code gen & review, image gen, docs, CV & cover letters, business plans. No signup, no API key, instant micropayments. Agent-to-agent ready.
#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
loop-mcp
[L402] [live] 10 sats/per-request [-----] (0)
loop-mcp
L402-native MCP server for AI agents. 5 Bitcoin/Lightning tools: BTC price, fee send-decision, Lightning Address resolver, TX decoder, and optimal send window. Pay 10-25 sats per call. No API keys. Live at mcp.loopxxi.com/mcp
#tools #finance
Lightning Faucet Timestamp
[L402] [confirmed] 10 sats/per-request [*****] (1)
lightning-faucet-timestamp
Trusted high-precision timestamp with current Bitcoin block height. 10 sats.
#tools #data
l402-kit Demo API
[L402] [confirmed] 1 sats/per-request [-----] (0)
l402-kit-demo-api
Full-stack L402 SDK for TypeScript, Python, Go, Rust. Monetize any API with Bitcoin Lightning in 3 lines. MCP server: npx l402-kit-mcp
#ai/ml #tools
LPXTrader
[L402] [confirmed] 30 sats/per-request [-----] (0)
lpxtrader
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.
#ai/ml #tools
Lightning Faucet Keyword Extraction
[L402] [live] 30 sats/per-request [*****] (1)
lightning-faucet-keyword-extraction
Extract keywords and key phrases from text. Returns ranked keywords with relevance scores. 30 sats.
#data #tools
Ollama LLM Inference (L402)
[L402] [live] 5 sats/per-request [-----] (0)
ollama-llm-inference-l402
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.
#ai/ml #tools
SolanaProx
[verified] [L402] [live] 300 sats/per-request [-----] (0)
solanaprox
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.
#ai/ml #tools
Kevros Media Attest
[verified] [L402+x402+MPP] [confirmed] 75 sats/per-request [-----] (0)
kevros-media-attest
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.
#media #tools
Ganamos
[L402] [confirmed] 100 sats/per-request [-----] (0)
ganamos
Post and fix jobs, earn Bitcoin. Post jobs and bounties for fixing community issues via L402-protected API. Pay sats to create job postings — the reward goes to whoever fixes the issue. Supports location-based posts, AI-powered fix verification, and Nostr cross-posting.
#tools #social
PowForge DoI Oracle
[L402] [live] 2 sats/per-request [-----] (0)
powforge-doi-oracle-1
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
#tools #identity
IsItARug
[verified] [L402] [confirmed] 12 sats/per-request [-----] (0)
isitarug
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.
#tools #ai/ml
Satring Directory API
[verified] [L402+x402+MPP] [live] 100 sats/free [*****] (1)
satring-directory-api
L402 + x402 paid API directory. GET for paginated listing with category/protocol filters, detail by slug, and search. POST to submit new services (1000 sats / $0.50 USDC). PATCH to edit with token.
#search #tools
The Ark AI
[verified] [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
Boltwork PDF Summariser
[L402] [live] 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.
#ai/ml #tools
api.lightningenable.com/l402/proxy/nutrition-facts
[L402+MPP] [confirmed] 3 sats/per-request [-----] (0)
api-lightningenable-com-l402-proxy-nutrition-facts
Added by scraper. Domain owners can authenticate for free to edit information.
#tools
Lightning Faucet Memory Bank
[L402] [live] 5 sats/per-request [*****] (1)
lightning-faucet-memory-bank
Persistent key-value storage for AI agents. Store, retrieve, query, delete data. 5-50 sats per op.
#tools
WebberSites Data & Tools API
[verified] [L402+x402] [confirmed] 2 sats/per-request [-----] (0)
webbersites-data-tools-api
75 pay-per-call endpoints for AI agents: LLM inference (no API key), SEO/schema/accessibility audits, web scraping & extraction, image generation & vectorization, crypto prices, DNS/geo/email intel, uptime monitoring, exact math/stats/finance, code lint, QR/barcodes, and wallet-owned agent memory. Dual rail: USDC on Base (x402) on every 402; Bitcoin Lightning (L402) when you opt in with the X-Pay-With: l402 header. Catalogs: /.well-known/l402.json and /openapi.json. Human docs + live 2-sat demo: https://l402.webbersites.com
#data #tools
clankfeed events
[verified] [L402+MPP] [confirmed] 21 sats/per-request [-----] (0)
clankfeed-events
Submit signed Nostr events to clankfeed for 21 sats (L402+MPP). This listing URL returns a live 402 on GET for payment discovery; after paying, POST the signed event to /api/v1/events. Free reads: GET /api/v1/events. Agent docs: https://clankfeed.com/api/
#social #tools
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