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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]

Monexus Terminal

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

monexus-terminal

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

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

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

Hal Marketplace

[L402] [live] 0 sats/per-request [-----] (0)

hal-marketplace-l402-verification-echo

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.

Satoshi Dispatches

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

satoshi-dispatches

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.

#finance #ai/ml

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.

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.

[verified] [L402+MPP] [live] 21 sats/per-request [-----] (0)

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

govlaws.ai/api/x402/resolve

[x402] [live] 0 sats/per-request [-----] (0)

govlaws-ai-api-x402-resolve

Added by scraper. Domain owners can authenticate for free to edit information.

#finance #search

clankfeed events

[verified] [L402+MPP] [live] 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/

WebberSites Data & Tools API

[verified] [L402+x402] [live] 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

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.

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.

Hoodi ETH Merchant

[x402] [live] 0 sats/per-request [-----] (0)

hoodi-eth-merchant

Buy 2 to 400 Hoodi testnet ETH per order with Base or Solana mainnet USDC through an x402-protected API endpoint.

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.

Lightning Faucet UUID Generator

[L402] [live] 5 sats/per-request [*****] (1)

lightning-faucet-uuid-generator

Generate UUID v7 identifiers. 5 sats per UUID.

Sepolia ETH Merchant

[x402] [live] 0 sats/per-request [-----] (0)

sepolia-eth-merchant

Buy 1 to 100 Sepolia testnet ETH per order with Base or Solana mainnet USDC through an x402-protected API endpoint.

tako.com/api/mpp/v1/contents

[x402+MPP] [live] 0 sats/per-request [-----] (0)

tako-com-api-mpp-v1-contents

Added by scraper. Domain owners can authenticate for free to edit information.

#search #storage

www.x402scan.com/api/x402/registry/origin

[x402] [live] 0 sats/per-request [-----] (0)

www-x402scan-com-api-x402-registry-origin

Added by scraper. Domain owners can authenticate for free to edit information.

x402-gateway-production.up.railway.app/api/crypto/price

[x402] [live] 0 sats/per-request [-----] (0)

x402-gateway-production-up-railway-app-api-crypto-price

Added by scraper. Domain owners can authenticate for free to edit information.

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.

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