Catalog

Calculate cohort retention rates by period with Day 30, Day 60, Day 90 benchmarks.

Fashion Designers Guide data API with random, search, and bulk endpoints.

Count lines words chars and blank lines in any text block

Behavioral Finance Guide data API — search, random, bulk endpoints.

Behavioral Finance Guide data API — search, random, bulk endpoints.

Personal finance toolkit — budget planning, debt payoff and net worth tracking

Personal finance toolkit — budget planning, debt payoff and net worth tracking. Built for AI finance agents.

Plan monthly budgets using the 50/30/20 rule

Plan monthly budgets using the 50/30/20 rule. Tracks expenses, surplus and savings rate. Built for AI finance agents.

Project retirement savings with compound interest

Project retirement savings with compound interest. Monthly income estimate using 4% withdrawal rule. Milestone projectio

Judaism Guide data API — search, random, bulk endpoints.

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