Catalog

Check if text contains any from a list of keywords or phrases

Registrar details IANA ID and abuse contact for domains

Extract all email addresses from any text or document

10 famous mountains with height, first ascent, difficulty, and fascinating records.

15 tokenomics concepts explained with red flags and examples

15 tokenomics concepts explained with red flags and examples. Built for crypto apps and AI agents.

Grain Varieties data API — search, random, bulk endpoints.

Extract registered domain subdomain TLD and public suffix from URLs

Generate disposable temp email addresses and check inboxes via Guerrilla Mail.

Validate webhook signatures from major providers Stripe GitHub Slack

Check if any website is up or down with response time, status code, and headers.

Enrich leads, score prospects and generate outreach intelligence — built for sales AI agents

Validate webhook signatures from major providers Stripe GitHub Slack

10 web frameworks — React, Next.js, Django, FastAPI, Laravel, Rails — with strengths and best uses.

Calculate Core Web Vitals pass/fail for LCP, CLS, FID, and INP with improvement guidance.

Smart contract patterns, Solidity best practices, Web3 integration and blockchain network info

Smart contract patterns, Solidity best practices, Web3 integration and blockchain network info. Built for AI blockchain

Web developer utilities — color converter, HTTP status codes, number formatter and caching strategy advisor.

Blockchain network info for Ethereum, Arbitrum, Base, Polygon and BSC — chain IDs, gas prices, block times and explorers

Guide to Web Components: Custom Elements, Shadow DOM, and HTML Templates.

Monitor any URL for changes — detects content diffs, summarizes what changed and delivers alerts via webhook.

Deliver webhook payloads with retry logic and delivery tracking

15 tokenomics concepts explained with red flags and examples

15 tokenomics concepts explained with red flags and examples. Built for crypto apps and AI agents.

Calculate train/validation/test split sizes with warnings and common split ratio comparisons.

Real-time AQI pollutant levels and health recommendations

Generate questions, score answers, flag risks, deliver hiring signals — plug-in screening for any HR platform