Chandrayaan-3 Mock API Documentation

Created by: Skygaze India

Purpose: Educational - To demonstrate API creation and consumption for a Chandrayaan-3 mission dashboard.

Data Source: Publicly available information from ISRO (Indian Space Research Organisation).

Data Authenticity: This is a mock API. While based on real mission details, it is not an official ISRO live data feed. Data points are simplified and static for educational use.

Last Updated: 17 MAY 2024

Base URL: https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev

General Information

All successful responses are in JSON format, pretty-printed.
The API uses standard HTTP GET requests.
No authentication is required.
For CORS (Cross-Origin Resource Sharing), the API allows requests from any origin (Access-Control-Allow-Origin: *).

Endpoints

1. Root / Welcome

Path: / or /api/

Method: GET

Description: Provides a welcome message, information about the API, a link to this documentation, and a list of available data endpoints.

Example Request:
GET https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev/api/

Example Response:


{
  "message": "Welcome to the Chandrayaan-3 Mock API!",
  "note": "This API was created by Skygaze India for educational purposes only. The data is representative and based on publicly available information from ISRO (Indian Space Research Organisation).",
  "last_updated": "17 MAY 2024",
  "available_endpoints": [
    "/api/mission/overview",
    "/api/lander",
    "/api/rover",
    "/api/timeline",
    "/api/media",
    "/api/videos",
    "/docs"
  ],
  "data_authenticity_note": "While based on real mission details, this is not an official ISRO live data feed. Data points are simplified and static for educational use."
}

2. Mission Overview

Path: /api/mission/overview

Method: GET

Description: Provides general information about the Chandrayaan-3 mission, including links to official ISRO resources.

Example Request:
GET https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev/api/mission/overview

Response Fields:

Field	Type	Description
`mission_name`	String	Official name of the mission (e.g., "Chandrayaan-3")
`agency`	String	Operating space agency (e.g., "Indian Space Research Organisation (ISRO)")
`launch_date`	String (ISO 8601)	Timestamp of launch (e.g., "2023-07-14T09:05:00Z")
`launch_site`	String	Launch location (e.g., "Satish Dhawan Space Centre, Sriharikota")
`launch_vehicle`	String	Rocket used for launch (e.g., "LVM3-M4")
`landing_date`	String (ISO 8601)	Timestamp of lunar landing (e.g., "2023-08-23T12:32:00Z")
`landing_site_name`	String	General area of landing
`landing_coordinates_approx`	Object	Approximate landing coordinates (`latitude`, `longitude`)
`objectives`	Array of Strings	Primary mission objectives
`status`	String	Current mission status
`curtainRaiserVideo`	String (URL)	URL to ISRO's curtain raiser video
`missionBrochure`	String (URL)	URL to ISRO's mission brochure
`threeDimentionalViewImages`	Array of Objects	Each object has `title` (String) and `url` (String URL) for 3D view images

Example Response:


{
  "mission_name": "Chandrayaan-3",
  "agency": "Indian Space Research Organisation (ISRO)",
  "launch_date": "2023-07-14T09:05:00Z",
  "launch_site": "Satish Dhawan Space Centre, Sriharikota",
  "launch_vehicle": "LVM3-M4",
  "landing_date": "2023-08-23T12:32:00Z",
  "landing_site_name": "Near lunar south pole (Manzinus C and Simpelius N craters)",
  "landing_coordinates_approx": {
    "latitude": -69.367621,
    "longitude": 32.348126
  },
  "objectives": [
    "To demonstrate Safe and Soft Landing on Lunar Surface",
    "To demonstrate rover roving capabilities on the Moon.",
    "To conduct in-situ scientific experiments on the lunar surface."
  ],
  "status": "Mission Accomplished - Lander & Rover performed as expected. Asleep after lunar nightfall.",
  "curtainRaiserVideo": "https://www.isro.gov.in/media_isro/video/chandrayaan3/CH3_Curtain_Raiser_Video_V3.webm",
  "missionBrochure": "https://www.isro.gov.in/media_isro/pdf/Missions/LVM3/LVM3M4_Chandrayaan3_brochure.pdf",
  "threeDimentionalViewImages": [
    {
      "title": "Chandrayaan-3 Lander View 1",
      "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/Picture8.jpg.webp"
    },
    {
      "title": "Chandrayaan-3 Lander View 2",
      "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/Picture9.jpg.webp"
    },
    {
      "title": "Chandrayaan-3 Rover",
      "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/Picture11.jpg.webp"
    },
    {
      "title": "Chandrayaan-3 Propulsion Module",
      "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/Picture10.jpg.webp"
    },
    {
      "title": "Chandrayaan-3 Mission Profile",
      "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/Picture12.jpg.webp"
    }
  ]
}

3. Lander Information

Path: /api/lander

Method: GET

Description: Provides details about the Vikram lander, including its specifications and payloads.

Example Request:
GET https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev/api/lander

Response Fields:

Field	Type	Description
`name`	String	Name of the lander (e.g., "Vikram")
`mass_kg`	Number	Mass of the lander in kilograms
`power_generation_w`	Number	Power generation capability in Watts
`communication`	String	Communication links
`payloads`	Array of Objects	Each object has `name` (String acronym), `fullForm` (String), and `description` (String) for scientific instruments
`status`	String	Current status of the lander

Example Response:


{
  "name": "Vikram",
  "mass_kg": 1752,
  "power_generation_w": 738,
  "communication": "IDSN, Chandrayaan-2 Orbiter, Rover",
  "payloads": [
    {
      "name": "RAMBHA-LP",
      "fullForm": "Radio Anatomy of Moon Bound Hypersensitive ionosphere and Atmosphere - Langmuir probe",
      "description": "Langmuir Probe To measure the near surface plasma (ions and electrons) density and its changes with time."
    },
    {
      "name": "ChaSTE",
      "fullForm": "Chandra’s Surface Thermo physical Experiment ",
      "description": "To carry out the measurements of thermal properties of lunar surface near polar region."
    },
    {
      "name": "ILSA",
      "fullForm": "Instrument for Lunar Seismic Activity",
      "description": "To measure seismicity around the landing site and delineating the structure of the lunar crust and mantle."
    },
    {
      "name": "LRA",
      "fullForm": "LASER Retroreflector Array",
      "description": "It is a passive experiment to understand the dynamics of Moon system."
    }
  ],
  "status": "Successfully landed. All payloads operational. Currently in sleep mode."
}

4. Rover Information

Path: /api/rover

Method: GET

Description: Provides details about the Pragyan rover, including its specifications and payloads.

Example Request:
GET https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev/api/rover

Response Fields:

Field	Type	Description
`name`	String	Name of the rover (e.g., "Pragyan")
`mass_kg`	Number	Mass of the rover in kilograms
`power_generation_w`	Number	Power generation capability in Watts
`communication`	String	Communication link
`speed_cm_s`	Number	Rover's speed in centimeters per second
`distance_traveled_m_approx`	Number	Approximate distance traveled on the lunar surface in meters
`payloads`	Array of Objects	Each object has `name` (String acronym), `fullForm` (String), and `description` (String) for scientific instruments
`status`	String	Current status of the rover

Example Response:


{
  "name": "Pragyan",
  "mass_kg": 26,
  "power_generation_w": 50,
  "communication": "With Lander",
  "speed_cm_s": 1,
  "distance_traveled_m_approx": 101.4,
  "payloads": [
    {
      "name": "APXS",
      "fullForm": "Alpha Particle X-ray Spectrometer",
      "description": "To determine the elemental composition (Mg, Al, Si, K, Ca,Ti, Fe) of Lunar soil and rocks around the lunar landing site."
    },
    {
      "name": "LIBS",
      "fullForm": "LASER Induced Breakdown Spectroscope",
      "description": "Qualitative and quantitative elemental analysis & To derive the chemical Composition and infer mineralogical composition to further our understanding of Lunar-surface."
    }
  ],
  "status": "Successfully deployed. Traversed over 100m. All payloads operational. Currently in sleep mode."
}

5. Mission Timeline

Path: /api/timeline

Method: GET

Description: Provides a list of key events in the mission's timeline. Each event is an object.

Example Request:
GET https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev/api/timeline

Response Fields (for each object in the array):

Field	Type	Description
`date`	String (YYYY-MM-DD)	Date of the event
`event`	String	Name of the event
`description`	String	Brief description of the event

Example Response:


[
  {
    "date": "2023-07-14",
    "event": "Launch",
    "description": "Successfully launched aboard LVM3-M4."
  },
  {
    "date": "2023-08-05",
    "event": "Lunar Orbit Insertion",
    "description": "Successfully entered lunar orbit."
  },
  {
    "date": "2023-08-17",
    "event": "Lander Module Separation",
    "description": "Vikram lander separated from propulsion module."
  },
  {
    "date": "2023-08-23",
    "event": "Powered Descent & Soft Landing",
    "description": "Vikram lander successfully soft-landed on the Moon."
  },
  {
    "date": "2023-08-24",
    "event": "Rover Deployment",
    "description": "Pragyan rover successfully rolled out onto the lunar surface."
  },
  {
    "date": "2023-09-02",
    "event": "Sleep Mode Activation",
    "description": "Lander and Rover set into sleep mode ahead of lunar night."
  }
]

6. Media Links (Images)

Path: /api/media

Method: GET

Description: Provides links to various images related to the Chandrayaan-3 mission. Each item is an object.

Example Request:
GET https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev/api/media

Response Fields (for each object in the array):

Field	Type	Description
`type`	String	Type of media (e.g., "image")
`url`	String (URL)	URL to the image
`caption`	String	Caption for the image

Example Response:


[
  {
    "type": "image",
    "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/R_img2.png.webp",
    "caption": "Chandrayaan-3"
  },
  {
    "type": "image",
    "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/R_img10.jpeg.webp",
    "caption": "First image of the Moon captured by Chandrayaan-3"
  },
  {
    "type": "image",
    "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/Rover_first_movement_with_Indian_emblem_and_flag.webp",
    "caption": "Pragyan Rover rolling down from Vikram Lander"
  },
  {
    "type": "image",
    "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/Rover_Inplace_turn.webp",
    "caption": "Pragyan Rover Inplace Turn"
  },
  {
    "type": "image",
    "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/R_img6.jpeg.webp",
    "caption": "Lunar far side area as imaged from the Lander Hazard Detection and Avoidance Camera (LHDAC) on August 19 2023"
  },
  {
    "type": "image",
    "url": "https://www.isro.gov.in/media_isro/image/index/Chandrayaan3/R_img3.png.webp",
    "caption": "The path retraced by Rover on August 27,2023, as viewed by Navigation Camera."
  }
]

7. Video Links

Path: /api/videos

Method: GET

Description: Provides links and details for videos related to the Chandrayaan-3 mission. Each item is an object.

Example Request:
GET https://chandrayaan-3-api.quiet-pond-5bb9.workers.dev/api/videos

Response Fields (for each object in the array):

Field	Type	Description
`video_url`	String (URL)	URL to the video file
`poster_url`	String (URL)	URL to a poster image for the video
`description`	String	Description of the video content
`format`	String	Video format (e.g., "webm")
`file_size`	String	Approximate file size (e.g., "1.63 MB")
`duration`	String (HH:MM:SS)	Duration of the video

Example Response:


[
  {
    "video_url": "https://www.isro.gov.in/media_isro/video/chandrayaan3/Ch3_Lander_hop_experiment_Sep3.webm",
    "poster_url": "https://www.isro.gov.in/media_isro/image/poster_IMG/lander_hop.jpg",
    "description": "Chandrayaan-3 Lander hop experiment successfully conducted on September 3, 2023",
    "format": "webm",
    "file_size": "1.63 MB",
    "duration": "00:00:43"
  },
  {
    "video_url": "https://www.isro.gov.in/media_isro/video/chandrayaan3/Rover_rotation_captured_by_lander_imager_mounted_on_Lander.webm",
    "poster_url": "https://www.isro.gov.in/media_isro/image/poster_IMG/rover_rotation.jpg",
    "description": "Rover rotation as captured by the Lander imager mounted on the Lander",
    "format": "webm",
    "file_size": "1.76 MB",
    "duration": "00:00:24"
  },
  // ... more video objects
  {
    "video_url": "https://www.isro.gov.in/media_isro/video/chandrayaan3/Ch3_Video_LOI.webm",
    "poster_url": "https://www.isro.gov.in/media_isro/image/poster_IMG/lunar_orbit_insertion.jpg",
    "description": "The Moon, as viewed by Chandrayaan-3 during Lunar Orbit Insertion",
    "format": "webm",
    "file_size": "3.9 MB",
    "duration": "00:00:45"
  }
]

Error Responses

If an invalid path is requested, the API will return a 404 Not Found status with a JSON body:


{
  "error": "Not Found"
}