BLS Public Data API — wages, employment levels, growth by series ID. Federal public, free. Optional BLS_API_KEY for higher rate-limits.

Country info lookup. Resolves country metadata by common name, ISO 3166 alpha-2/alpha-3 code, or capital city. Returns capital, region, population, area, currencies, languages, timezones, calling code, flag emoji, neighbors. Wraps the public REST Countries v3.1 API — no auth, commercial-OK.

Cron expression parser. Takes a 5/6/7-field cron expression or @yearly/@monthly/@weekly/@daily/@hourly macro and returns a plain-English explanation, frequency bucket, validation result, and a runs-per-day estimate. Useful for explaining a schedule to a human, validating a cron string, or generating a cadence summary.

CVE lookup / vulnerability lookup / NVD record / CVSS scorer / vuln advisory fetch / exploit-known check / CWE class / patch-priority triage / Log4Shell-style record. Short alias of cve-lookup. Returns NIST NVD record with CVSS v3.1 + v2 vectors, severity, CWE, affected CPE list, references, public-exploit indicator with reference URLs, and a Venice exploitability summary. Federal public, no auth.

DNS lookup / DNS resolver / dig replacement / nslookup API / DoH proxy / authoritative-record fetch / MX checker / SPF + DMARC TXT inspector / CAA + DNSSEC inspector / nameserver finder / CDN-routing detector. Queries Cloudflare 1.1.1.1 DNS-over-HTTPS for any subset of A, AAAA, MX, TXT, NS, CNAME, SOA, PTR, SRV, CAA, DNSKEY, DS, TLSA, HTTPS, SVCB records and returns both grouped (per type, with TTL) and flat shapes for easy consumption.

Exchange rates. Latest or historical FX rates between currencies, sourced from the European Central Bank (Frankfurter API). 30+ currency pairs. Optional amount conversion. No commercial restrictions. Specify a base currency (default USD), an optional quote currency or list, an optional date (YYYY-MM-DD or 'latest'), and an optional amount to also receive a converted value when a single quote is supplied.

Gas oracle / gas price API / EIP-1559 fee estimator / Base + Ethereum + Optimism + Arbitrum + Polygon gas tracker / etherscan-gas alternative / pre-tx cost estimator / USD gas-cost calculator / safe-low + standard + fast tier feed. Reads the chain's latest block, derives the EIP-1559 base fee, suggests priority fees for safe-low / standard / fast tiers, computes the total recommended maxFeePerGas, and converts cost to USD for common tx types (transfer, ERC-20 transfer, Uniswap swap, NFT mint).

Image generate (fast/cheap) / text-to-image / AI art. SFW, sub-5s turnaround. Four tiers backed by curated $0.01 Venice models: 'fast' (z-image-turbo, default), 'creative' (chroma), 'anime' (wai-Illustrious), 'sd35' (venice-sd35). For top-tier quality use image-generate-pro ($0.10, Flux 2 Pro / Recraft / Seedream / Qwen Image 2 Pro) or image-generate-ultra ($0.30, Google nano-banana-pro / OpenAI gpt-image-2). Returns a permanent fal-hosted PNG URL.

Insider trading feed. Recent SEC Form 4 transactions for any US-listed ticker — officer, director, and 10% beneficial owner buys and sells. Returns transaction code (P=purchase, S=sale, A=grant, M=exercise), shares, price, post-transaction holdings, filed date, and EDGAR document URL. Wraps the same EDGAR-backed source as insider-form-4 under a more search-friendly name. Federal public data, no auth.

Kalshi markets / event contracts / Kalshi API / CFTC-regulated prediction markets / Kalshi browse / KalshiEX markets list. Pulls live markets from api.elections.kalshi.com with filter by status, series ticker, event ticker, free-text query, minimum volume. Prices converted from cents to 0-1 probabilities for easy cross-venue compare. DATA only — no order entry.