Windfall impact on FIRE timeline calculator. Runs the FIRE net-worth simulation twice — with and without a one-time lump sum added at a given year — and reports how many…
Purchase impact on FIRE timeline calculator. Runs the FIRE net-worth simulation twice — with and without a one-time purchase amount deducted at a given year — and report…
Keeping up with inflation calculator. Computes the pre-tax raise needed under two scenarios — keeping the same dollar amount saved, or maintaining the same savings rate…
Compound interest calculator. Projects the ending value of an investment given a starting principal, monthly contributions, and an annual interest rate, compounded month…
Alcohol spending and opportunity-cost calculator. Sums home and going-out drinking costs plus associated rideshare costs into monthly and yearly totals, then projects wh…
Legal entity reference data from the GLEIF LEI golden copy (updated daily, CC0). Direct lookup: ?lei=529900FCMZ4LKXFD0R69. Search: ?name=airbus&country=FR&limit=5. Each…
Japanese postal-code lookup and reverse lookup. Keywords: Japanese postal lookup, Japan Post postal code, postal code reverse lookup, 日本郵便番号検索. Use a postal code or pref…
Offline validator for a Czech/Slovak rodné číslo (birth number). Normalizes input to YYMMDD/XXXX or YYMMDDXXX(X), checks the calendar-valid month/day (accounting for the…
Live streaming speech-to-text for voice agents: buy a prepaid session, stream mic or call audio over WebSocket, get partial transcripts as the speaker talks. No account,…
Business listings around a coordinate: name, category, address, phone, website, rating — lead lists for local outreach
Read-only EVM contract call (eth_call) with decoded revert reason and optional gas estimate — simulate before you sign
Any public RSS or Atom feed as clean JSON: feed title, link, description, and items in feed order (title, link, published/updated time, plain-text summary, author, id).…
x402engine — Simulate EVM transactions before sending — get gas estimates, execution traces, and revert reasons
Resolve a token symbol or contract address to the canonical Base contract, so an agent swapping or accepting 'USDC' gets the real one. Catches lookalike and impostor con…
Total and circulating supply for an ERC-20 on Base, read live from chain with decimals applied and the block height returned.
Structured diff of two text blocks: per-line additions, deletions and changes, plus an identical flag. Use it to detect whether a contract, policy or spec changed betwee…
Forward + reverse ENS resolution on Ethereum mainnet: turn vitalik.eth into an address, or an address into its primary ENS name. Complements the Basename resolver for Ba…
Screen a crypto address (EVM/BTC/TRON etc.) against Japan MOF asset-freeze sanctions designations (外為法・資産凍結措置). Returns match status with designated-entity details and l…
Single-address screening against OFAC SDN List digital currency addresses. Source: U.S. Department of the Treasury (public domain, CC0). Factual; not legal or compliance…
Generate professional title, description, keywords, hierarchical keywords, visible text, scene details, and review confidence for one JPEG, PNG, or WebP photo.
GBLIN protocol governance state: owner, the 48h timelock delay that every owner-only change must pass through, and any pending operation.
Exact-match OFAC SDN wallet screening for sanctioned digital currency addresses. Screens one wallet address against Treasury's public SDN advanced XML and returns hit or…
Paid AI-agent access to Blockchain.com Explorer API
Latest transaction signatures for an address (signature, slot, blockTime, error flag). ?limit= up to 1000. Live, for activity tracking.
