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Service Protocol Price Category Health Latency Source
TensorFeed Clean KEV Lookup https://tensorfeed.ai/api/premium/clean/kev/:id x402 ai/security degraded 266ms bazaar
TensorFeed Provider Deep Profile https://tensorfeed.ai/api/premium/providers/:name x402 ai/data degraded 273ms bazaar
TensorFeed Verified Security Verdict https://tensorfeed.ai/api/premium/security/verified/:id x402 ai/security degraded 424ms bazaar
The Ark AI https://arknode.ai/ L402 $0.04 ai/ml degraded 91ms satring
The Ark AI Workflows https://arknode.ai/workflows L402 $0.84 ai/ml degraded 104ms satring
The Phoblographer List Available Articles https://library.proofivy.com/the_phoblographer_list x402 real-time-data/news degraded 298ms self-registered
The Sealer - Image Upload https://thesealer.xyz/api/upload x402 $0.01 ai-agents degraded 130ms self-registered
Two of {aperture, shutter, iso} -> correct third value https://x402.aurelianflo.com/api/do/photo/exposure x402 $0.0030 generated/photo degraded 154ms bazaar
US Census population, median household income, and median age. Query by ZIP (?zi... https://x402.aurelianflo.com/api/census/population x402 $0.0080 data/government degraded 195ms bazaar
US Treasury rates from FRED for common maturities. https://x402.aurelianflo.com/api/treasury-rates x402 $0.0080 data/finance degraded 164ms bazaar
US Treasury real yields (5Y and 10Y TIPS) from FRED. https://x402.aurelianflo.com/api/real-rates x402 $0.0080 data/finance degraded 160ms bazaar
US Treasury yield curve snapshot and spread metrics. https://x402.aurelianflo.com/api/yield-curve x402 $0.0080 data/finance degraded 161ms bazaar
US unemployment rate (seasonally adjusted). Monthly values with history. Optiona... https://x402.aurelianflo.com/api/bls/unemployment x402 $0.0080 data/government degraded 160ms bazaar
UV index forecast for exact latitude/longitude path input. https://x402.aurelianflo.com/api/uv-index/40.7128/-74.0060 x402 $0.0060 real-time-data/weather degraded 155ms bazaar
VIN -> all open NHTSA recalls with remedy status https://x402.aurelianflo.com/api/do/auto/vin-recall/1HGCM82633A004352 x402 $0.01 data/auto degraded 165ms bazaar
Verify whether an email address is real and safe to send to. Checks RFC syntax, ... https://api.hergertsynthora.com/v1/mailcheck x402 $0.05 crypto/wallet degraded 66ms bazaar
WHOIS/RDAP lookup for a domain. https://x402.aurelianflo.com/api/whois/example.com x402 $0.0060 data/whois degraded 166ms bazaar
WTI crude oil spot price series from FRED. https://x402.aurelianflo.com/api/commodities/oil x402 $0.0080 data/finance degraded 156ms bazaar
World Bank indicator time series by country and indicator code. https://x402.aurelianflo.com/api/worldbank/US/NY.GDP.MKTP.CD x402 $0.0060 data degraded 171ms bazaar
ZARONIA Verify: SARB Compounded ZARONIA Index point (South Africa) https://api.zaroniacalculator.co.za/v1/index/:date x402 finance/macro degraded 535ms bazaar
api.lightningenable.com/api https://api.lightningenable.com/api L402 tools degraded 406ms satring
api.lightningenable.com/health https://api.lightningenable.com/health L402 tools degraded 403ms satring
api.lightningenable.com/tools/l402-dotnet https://api.lightningenable.com/tools/l402-dotnet L402 tools degraded 395ms satring
api.lightningenable.com/tools/l402-requests https://api.lightningenable.com/tools/l402-requests L402 tools degraded 405ms satring
api.lightningenable.com/tools/l402-ts https://api.lightningenable.com/tools/l402-ts L402 tools degraded 398ms satring
arknode.ai/api https://arknode.ai/api L402 tools degraded 86ms satring
arknode.ai/l402 https://arknode.ai/l402 L402 tools degraded 88ms satring
arknode.ai/services https://arknode.ai/services L402 tools degraded 88ms satring
arknode.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 \u2014 all pay-per-task via L402. No signup, no subscription, no API keys. From 50 sats. Workflow bundles available. https://arknode.ai/task L402 $0.04 ai/ml degraded 94ms satring,l402apps
arknode.ai: L402 AI Agent: summarize https://arknode.ai/l402/task L402 $0.0077 ai degraded 162ms discovery,l402apps
mcp.loopxxi.com: loop-mcp REST: btc_price (10 sats) https://mcp.loopxxi.com/l402/btc_price L402 $0.0077 bitcoin degraded 64ms l402apps,l402directory
npm-guardian � npm supply-chain security audit (CVE, malware, slopsquatting) https://npm-guardian.vercel.app/pro/audit?name=lodash&version=4.17.20 x402 $0.02 developer degraded 44ms self-registered
openFDA drug labeling and warnings by drug name. https://x402.aurelianflo.com/api/fda/drug-labels/aspirin x402 $0.0080 data/health degraded 157ms bazaar
openFDA medical device adverse events. https://x402.aurelianflo.com/api/fda/medical-devices x402 $0.0080 data/health degraded 191ms bazaar
satwork: Earn sats — optimization bounties for AI agents https://satwork.ai/api/l402/targets L402 $0.0016 earn/optimization degraded 462ms self-registered
semagram.io: Semantic search API for Telegram. Search across 1M channels, 150K chats, and 100K bots using hybrid search (embedding similarity + BM25 keyword matches). https://semagram.io/api/agent/search L402 ai/ml degraded 167ms l402apps
thenode.it.com/services https://thenode.it.com/services L402 tools degraded 448ms satring
thenode.it.com/workflows https://thenode.it.com/workflows L402 tools degraded 439ms satring
x402engine.app/api/crypto/price https://x402engine.app/api/crypto/price L402 ai/ml degraded 227ms satring
{activity, duration, weight} -> estimated calories burned https://x402.aurelianflo.com/api/do/fitness/calories-burned x402 $0.0050 tools/utilities degraded 169ms bazaar
{area, price_per_sqft} -> total cost with install estimate https://x402.aurelianflo.com/api/do/interior/carpet x402 $0.0050 generated/interior degraded 166ms bazaar
{base_size, ratio} -> modular type scale with all sizes https://x402.aurelianflo.com/api/do/design/type-scale x402 $0.0050 tools/utilities degraded 158ms bazaar
{bpm, time_sig, measures} -> tick timing array https://x402.aurelianflo.com/api/do/music/metronome x402 $0.0030 generated/music degraded 157ms bazaar
{distance, time} -> pace per mile/km + race finish projections https://x402.aurelianflo.com/api/do/fitness/pace x402 $0.0030 tools/utilities degraded 185ms bazaar
{drinks, weight, time, sex} -> BAC estimate + sober-by time https://x402.aurelianflo.com/api/do/drinks/sobriety x402 $0.01 tools/utilities degraded 168ms bazaar
{focal, sensor_size} -> 35mm equivalent https://x402.aurelianflo.com/api/do/photo/focal x402 $0.0020 generated/photo degraded 160ms bazaar
{foreground, background} -> WCAG contrast ratio + pass/fail https://x402.aurelianflo.com/api/do/design/readability x402 $0.0030 tools/utilities degraded 159ms bazaar
{genre, length} -> recommended song section layout https://x402.aurelianflo.com/api/do/music/structure x402 $0.01 generated/music degraded 164ms bazaar
{genre, theme, mood, verses} -> AI-generated lyrics https://x402.aurelianflo.com/api/do/music/lyrics x402 $0.05 generated/music degraded 168ms bazaar
{goal, days, equipment, level} -> weekly workout schedule https://x402.aurelianflo.com/api/do/fitness/plan x402 $0.05 generated/fitness degraded 156ms bazaar