Research & epidemiology

Harmonise study data, analyse outcomes and surveys, audit data quality and export analysis-ready datasets.

Routes in this category

• POST /research/convert - Convert one nutrition value between units, with a plausibility check (API key)
• POST /research/harmonise - Standardise nutrition variables across one or several clinical studies (API key)
• GET /research/reference - Matching rules, unit factors, diagnosis concepts and outcome definitions (API key)
• GET /research/variables - Data dictionary of standardised variables (API key)
• POST /longitudinal/analyse - Follow one participant's nutrition outcomes over repeated visits (API key)
• POST /longitudinal/cohort - Analyse a cohort's nutrition outcomes over follow-up (API key)
• GET /longitudinal/reference - Request fields, variables, condition definitions, pattern rules, thresholds and limits (API key)
• POST /epidemiology/analyse - Prevalence, incidence, risk and odds ratios with confidence intervals from a research dataset (API key)
• POST /epidemiology/counts - The same estimators from published or tabulated counts (API key)
• GET /epidemiology/reference - Design rules, measure definitions, methods and limits (API key)
• POST /data-quality/audit - Audit a nutrition dataset for unit errors, implausible measurements and inconsistencies (API key)
• GET /data-quality/reference - What each check means, the screening bands and the limits (API key)
• POST /malnutrition/analyse - Population-level malnutrition indicators from survey or study records (API key)
• GET /malnutrition/reference - Case definitions, thresholds and limits (API key)
• POST /export/dataset - De-identified, analysis-ready dataset files with dictionary, provenance and loaders (API key)
• GET /export/reference - Request fields, de-identification rules, file layouts, naming, provenance and limits (API key)
• POST /export/verify - Check files against the SHA-256 hashes in a provenance file (API key)

More in API Reference

• Foods & packaged foods - Search, look up, compare, substitute and submit foods and branded products.
• Meals, intake & food log - Analyze meals and recipes, assess intake against dietary reference intakes, and keep a food diary.
• WHO growth standards - Z-scores, percentiles and status bands from birth to 19 years, and the combined assessment.
• Growth velocity & preterm - WHO increment bands for infants and Fenton preterm growth charts.
• Diets, exchange & formulas - Glycaemic index, food exchange lists, renal nutrition and enteral formulas.
• Energy & drug interactions - Energy requirements and known drug-nutrient interactions.
• Condition-specific nutrition - Calculators for diabetes and carbohydrate counting, kidney disease, pregnancy and lactation, children, sports and weight management.
• Clinical nutrition support - Critical care, burn, refeeding, enteral feeding and energy stress factor calculators.
• Research & epidemiology - Harmonise study data, analyse outcomes and surveys, audit data quality and export analysis-ready datasets.
• FHIR R4 - Stateless growth evaluation and the Nutrition Care Process as FHIR resources.
• AI, knowledge & memory - Retrieval-augmented answers and session memory for assistants.
• Keys & platform - API keys, developer keys, batching, health and metadata.
• More routes - Other documented routes.