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 625session
Feb/March May/June Oct/Novyear
2023 2022 2021 2020 2019 2018 2017 2016paper_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