Domain-agnostic x402 capability chassis by IntuiTek¹. 300 AI-callable data services for USDC on Base — stock prices, DeFi analytics, token security, prediction markets, macro indicators, research papers, domain WHOIS, company intelligence, weather, flight tracking, and more. MCP interface at /mcp — no wallet, no API keys.

The world's fastest free online tool suite. 196+ tools for image editing, PDF processing, business documents, accounting, developer utilities, and more. 49 tools are server-executable via A2A/MCP API. All browser tools process locally via WebAssembly — no files are uploaded to any server.

Fitness intelligence API powered by evidence-based sports science. 10 endpoints: custom workout plans by goal and equipment, exercise form guides with muscles and variations, macro and nutrition targets, evidence-based supplement stack analysis with tier ratings, phased injury recovery protocols, evidence-graded supplement efficacy tiers, sports medicine rehabilitation protocols, athletic sleep optimization, training plateau breakthrough plans, and race training plans built backwards from event date. Pay-per-query via x402 micropayments on Base.

The universal AI tutor and exam prep API. Every subject. Every exam. Every certification. Every language. Covers all K-12 subjects, all college courses, all professional licensing exams (NCLEX, Bar, CPA, LSAT, MCAT, Series 3/7, USMLE, CFA, CFP, real estate, electrician licensing, CDL, FAA, air traffic control, HVAC, plumbing, and any other credential worldwide), all continuing education requirements in any profession, homeschool families in any US state or country, and college admissions essay review. Pay-per-query via x402 micropayments on Base. All endpoints support ?lang= for native respons. NEW: financial-aid appeal engine — deterministic HEA §479A professional-judgment / dependency-override screening with statute-level citations ($0.50) and citation-backed appeal letters to the aid office ($5.00); free per-circumstance explainers at /appeals/. ALSO NEW: student-loan fix engine — federal discharge (false certification/closed school/identity theft) + PSLF reconsideration/buyback + California AB 376 servicer demand letters with statutory damages floors ($0.50 screen / $5.00 document); free explainers at /loan-fixes/.

Collectibles market intelligence API. 8 endpoints covering current market value by grade/condition, grading service guides (PSA/BGS/CGC/PCGS/NGC), authentication for fakes, investment buy/hold/sell signals, head-to-head comparisons, where to sell for maximum value, storage and preservation guides with Amazon product recommendations, and insurance guidance. Covers sports cards, TCG/Pokémon, coins, comics, watches, sneakers, vinyl records, video games, vintage toys, wine and spirits, art, and signed memorabilia. Live Discogs pricing for vinyl. Pay-per-query via x402 on Base.