Header-authenticated API reference

API filter options reference

This page is intentionally not linked in navbar menus. Use this URL directly to view all available filter options.

Questions endpoint
https://rootatom.com/api/questions/
Subject options
Subject session_code display
Biology 610 0610
Chemistry 620 0620
Physics 625 0625
Query parameters
Param Description
q Text search across major fields.
question_id Exact question id match.
subject Biology/Chemistry/Physics or session code alias (610/620/625).
session_code Exact syllabus code filter.
session Exam session (e.g., Oct/Nov).
year Exam year (integer).
paper_code Exact paper code filter.
variant Exact variant filter.
subtopic Exact subtopic filter.
question_type Alias filter (same values as subtopic).
answer Exact answer filter.
limit Page size (default 50, max 500).
offset Pagination offset.
order_by Sort column name from questions table.
sort Sort direction: asc or desc.
include_image_base64 1 to include base64; 0 to exclude heavy payload.
session_code
610 620 625
session
Feb/March May/June Oct/Nov
year
2023 2022 2021 2020 2019 2018 2017 2016
paper_code / variant / answer
paper_code
2
variant
1 2 3
answer
A B C D
Subtopic options (66)
`question_type` filter uses the same values as `subtopic`.
Acid-base Titration Acids, Bases and Salts Atoms Biological Molecules Biotechnology & Genetic Modification Cells Characteristics of living Organisms Chemical Bonding Chemical Calculation Chemical Energetics Chemical Formula and Equation Chemistry of Environments Coordination and Response Density Dichotomous Key Diffusion Diseases, Immunity and Drugs Earth and the Solar System Ecology Electric circuits Electrical quantities Electrochemistry Elements, Compounds and Mixtures Energy Sources Energy Work and Power Enzymes Excretion and Homeostasis Experimental Techniques and Chemical Analysis Forces General properties of waves Human Influences on Ecosystems Human Nutrition Inheritance Light Magnetism Mass and weight Metals Mole Concept Moment/Torque Momentum Motion Movement of substances into and out of cells OOP Organic Chemistry Periodic Table Physical quantities and measurement techniques Plant Nutrition Polymers Pressure Radioactivity Rates of Reaction Redox Reaction Reproduction in Humans Reproduction in Plants Respiration Reversible Reaction and Equilibrium Sound Stars and the Universe States of Matter The nuclear model of the atom Thermal properties and temperature Transfer of thermal energy Transport in Animals Transport in Plants Unsure Variation and Selection
order_by options
answer extracted_text file_question image_base64 image_key image_url paper_code question_id session session_code subtopic variant year