Chess opening database with move sequences, theory and statistical win rates

Get daily and random chess puzzles, FEN validation, and themed puzzles via Lichess API.

Chi-square test for independence and goodness of fit

Calculate chi-squared for goodness-of-fit or independence with Cramér's V effect size.

Classify text, image URLs, and video thumbnails for child-safety compliance across COPPA, GDPR-K, and PEGI rating framew

Escalate the worst toxicity events in child and teen multiplayer environments, including slurs, threats, grooming-adjace

Child labor: ILO data, high-risk sectors, supply chain exposure, country risk ratings and remediation frameworks.

Calculate under-5 mortality rates from vital statistics data

Child psychology: developmental milestones, behavioral interventions, parenting frameworks and school readiness indicato

Estimates childcare costs by type and region with tax credit analysis

Chinese Zodiac data API with random, search, and bulk endpoints.

Chivalry Guide data API with random, search, and bulk endpoints.

Calculate water disinfection chlorine doses from flow data

Chocolate History data API — search, random, bulk endpoints.

Score choice overload risk from option set complexity

Parse and classify chord symbols and progressions

Generates diatonic chord progressions by key and genre with examples

Classify data values into choropleth map color breaks

Calculate fiber chromatic dispersion from length and type

Lookup and risk-score Chrome extensions

Lookup and risk-score Chrome extensions

Analyze Chrome extension permissions and security risk signals.

Analyze Chrome extension permissions and security risk signals.

Score chronic disease management program implementation

Analyze and score with Chronic Disease Management Scorer API — structured JSON output.

Disease management data for diabetes, hypertension, COPD with guidelines, metrics and self-management tools

Chronic Disease Mgmt intelligence API providing comprehensive data, analytics, scoring, benchmarks, comparison tools, tr

Score chronic disease risk from biometric and lifestyle data

Chronic Pain API — intelligence and analytics for AI agents.

Classify chronic pain syndrome type from clinical data

Chronic Pain Intel API — intelligence and analytics for AI agents.

Chronic Pain Intel API — intelligence and analytics for AI agents.

Chronic pain tools: treatment evidence ratings, pain journaling, activity pacing, psychological techniques, medication i

Score chronic pain physiotherapy management quality

Chronic Prev Intel API — intelligence and analytics for AI agents.

Chronic Prev Intel API — intelligence and analytics for AI agents.

Score health interventions for circadian timing alignment

Text chunking strategies for RAG — fixed size, semantic, recursive and sliding window. Built for AI developers.

Calculate customer churn rate, impact on MRR and retention improvement ROI. Built for AI SaaS agents.

Churn Cost Impact Scorer

Predict customer churn probability from usage signals

Churn Predict Api API — intelligence and analytics for AI agents.

Churn prediction engine: multi-signal risk scoring, early warning indicators, segment-level churn rates, intervention re

Measure and forecast churn prediction with actionable recommendations

Model churn rate scenarios and impact on MRR — what 1% churn reduction is worth. Built for AI SaaS agents.

Churn Prediction Intel API — intelligence and analytics for AI agents.

Predict customer churn risk from usage signals — login frequency, NPS, payment failures.

Predicts customer churn probability from usage, engagement, and billing signals

Score customer churn risk from behavioral signals: inactivity, usage drop, support tickets, NPS and payment failures.

Calculate customer churn rate, MRR churn, retention, cohort analysis, and 12-month forecasts.