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the best curated L402 + x402 API directory

₿ satring --list

The Best Curated L402 + x402 API Directory

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] [dead] [unknown]

proto> [all] [L402] [X402] [L402+X402]

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Satring Service Edit API

[verified] [L402+X402] [live] 0 sats/free [-----] (0)

satring.com/docs#/API/update_service_api_v1_services__slug__patch

Update a service listing via PATCH with X-Edit-Token header. Token recovery via domain verification also available.

Satring Bulk Export

[verified] [L402+X402] [confirmed] 5000 sats/per-request [-----] (0)

satring.com/api/v1/services/bulk

Export the full service directory as JSON in a single request. Paywalled (5000 sats / $2.50 USDC). Supports L402 and x402.

Satring Search API

[verified] [L402+X402] [live] 0 sats/free [-----] (0)

satring.com/api/v1/search

Full-text search across L402 and x402 service names and descriptions. Filter by protocol, status, category. Paginated results.

Lightning Faucet Memory Bank

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

lightningfaucet.com/api/l402/memory

Persistent key-value storage for AI agents. Store, retrieve, query, delete data. 5-50 sats per op.

Lightning Faucet Lightning Stats

[verified] [L402] [live] 200 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/lightning_stats

Lightning Network statistics: capacity, node count, channel count, fees, growth metrics. 200 sats.

Lightning Faucet BTC Price Oracle

[verified] [L402] [live] 200 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/price_oracle

Aggregated BTC/USD price from multiple sources. Spot price, 24h change, source breakdown. 200 sats.

Lightning Faucet Text Summarizer

[verified] [L402] [live] 30 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/summarize_title

Generate ultra-short summaries and titles from text. AI-powered condensation. 30 sats.

Lightning Faucet Keyword Extraction

[verified] [L402] [live] 30 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/keywords

Extract keywords and key phrases from text. Returns ranked keywords with relevance scores. 30 sats.

Lightning Faucet Sentiment Analysis

[verified] [L402] [live] 30 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/sentiment

Analyze text sentiment. Returns positive/negative/neutral score with confidence. 30 sats.

Lightning Faucet LLM Prompt

[verified] [L402] [live] 100 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/llm_prompt

Run a prompt through GPT-4o-mini via Lightning payment. Send text, get AI response. 100 sats.

Lightning Faucet Profanity Filter

[verified] [L402] [live] 10 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/profanity_filter

Content moderation API. Detect and filter profanity in text. Returns clean text and match details. 10 sats.

Lightning Faucet Satoshi Quotes

[verified] [L402] [live] 10 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/satoshi_quote

Verified Satoshi Nakamoto quotes from the whitepaper, BitcoinTalk, P2P Foundation. By topic. 10 sats.

Lightning Faucet Mempool Heatmap

[verified] [L402] [live] 30 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/mempool_heatmap

Bitcoin mempool visualization data as a fee-rate heatmap. See pending transaction distribution. 30 sats.

Lightning Faucet Dad Jokes

[verified] [L402] [live] 21 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/dad_joke

AI-generated dad jokes. Premium tier includes alternate punchlines and explanations. 21 sats.

Lightning Faucet LNURL Metadata

[verified] [L402] [live] 30 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/lnurl_metadata

Resolve and parse LNURL endpoints. Returns metadata, min/max amounts, supported features. 30 sats.

Lightning Faucet Invoice Decoder

[verified] [L402] [live] 30 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/invoice_decode

Decode BOLT11 Lightning invoices. Returns amount, destination, expiry, description, route hints. 30 sats.

Lightning Faucet Node Info

[verified] [L402] [live] 30 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/node_info

Query Lightning Network node info by pubkey. Returns alias, capacity, channels, and features. 30 sats.

Lightning Faucet Fee Estimate

[verified] [L402] [live] 50 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/onchain_fee

Real-time Bitcoin on-chain fee estimates for multiple confirmation targets. 50 sats.

Lightning Faucet Random Sats

[verified] [L402] [live] 50 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/random_sats

Gamble 50 sats for a random payout of 0-100 sats. Provably fair with 40 sat expected value.

Lightning Faucet Timestamp

[verified] [L402] [live] 10 sats/per-request [*****] (1)

lightningfaucet.com/api/l402/time

Trusted high-precision timestamp with current Bitcoin block height. 10 sats.

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