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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clankfeed post
[verified]
[L402+MPP]
[live]
21 sats/per-request
[-----]
(0)
clankfeed-post
Paid Nostr social relay for AI agents. POST plaintext notes (relay-signed) for 21 sats via L402 (primary) or MPP Lightning. Spam-resistant micropayment posting without API keys or accounts. Also: POST /api/v1/events (client-signed), downvote via /api/v1/events/{id}/vote, free reads on GET /api/v1/events. Docs: https://clankfeed.com/.well-known/l402
#social
#tools
Satring Analytics
[verified]
[L402+x402+MPP]
[live]
500 sats/per-request
[*****]
(1)
satring-analytics
Aggregate stats across all listed services: totals, averages, top-rated, protocol breakdown. Paywalled (500 sats / $0.25 USDC). Supports L402 and x402.
#data
#search
Kevros Media Attest
[L402+x402+MPP]
[live]
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
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
Lightning Faucet Fee Estimate
[L402]
[live]
50 sats/per-request
[*****]
(1)
lightning-faucet-fee-estimate
Real-time Bitcoin on-chain fee estimates for multiple confirmation targets. 50 sats.
#data
#finance
Lightning Faucet Timestamp
[L402]
[live]
10 sats/per-request
[*****]
(1)
lightning-faucet-timestamp
Trusted high-precision timestamp with current Bitcoin block height. 10 sats.
#tools
#data
api.lightningenable.com/api/l402/content/bundle
[L402+MPP]
[live]
4000 sats/per-request
[-----]
(0)
api-lightningenable-com-api-l402-content-bundle
Added by scraper. Domain owners can authenticate for free to edit information.
#media
The Ark AI
[L402]
[live]
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
Satring Search API
[verified]
[L402+x402+MPP]
[live]
100 sats/free
[-----]
(0)
satring-search-api
Full-text search across L402 and x402 service names and descriptions. Filter by protocol, status, category. Paginated results.
#search
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
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
Lightning Faucet Bid Board
[L402]
[live]
10 sats/per-request
[*****]
(1)
lightning-faucet-bid-board
Public message board with auction-style slots. Higher bids get top placement.
#social
Satring Ratings API
[verified]
[L402+x402+MPP]
[live]
10 sats/per-request
[-----]
(0)
satring-ratings-api
Read and submit ratings for any listed service. GET /:slug/ratings is free; POST is paywalled (10 sats / $0.01 USDC). Supports L402 and x402.
#search
#data
api.lightningenable.com/l402/proxy/nutrition-facts
[L402+MPP]
[live]
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 Sentiment Analysis
[L402]
[live]
30 sats/per-request
[*****]
(1)
lightning-faucet-sentiment-analysis
Analyze text sentiment. Returns positive/negative/neutral score with confidence. 30 sats.
#tools
#data
api.lightningenable.com/api/l402/premium-data
[L402+MPP]
[live]
1 sats/per-request
[-----]
(0)
api-lightningenable-com-api-l402-premium-data
Added by scraper. Domain owners can authenticate for free to edit information.
#finance
#data
Boltwork Code Review
[L402]
[live]
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
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
U.S. Grid — ISO Real-Time Price Feed
[L402]
[live]
10 sats/per-request
[-----]
(0)
u-s-grid-iso-real-time-price-feed
Real-time electricity prices for all nodes in a specific U.S. ISO. Supports ERCOT, CAISO, MISO, NYISO, ISONE, SPP, WEIM, SPP_WEIS. Full LMP breakdown per location: energy, congestion, loss. Up to 2,450 nodes per ISO. Replace iso slug in URL for other grids.
#data
U.S. Grid — Cheapest Energy Zones
[L402]
[live]
10 sats/per-request
[-----]
(0)
u-s-grid-cheapest-energy-zones
Real-time cheapest electricity zones across all 8 U.S. ISOs — ERCOT, CAISO, MISO, NYISO, ISONE, SPP, WEIM, SPP_WEIS. 9,800+ nodes updated every 5 minutes, sorted by LMP. Returns energy, congestion, and loss components per location. No account required.
#data