API reference
Chronologue API Reference
Overview
What’s Chronologue?
Throughout history, the idea of time travel has always captivated and intrigued people. Researchers have tried to look back at the past or take a sneak peek into the future to understand how things worked or would work. From kids to adults to seniors, many people are curious to know the past or the future. This is where Chronologue comes into the picture. Now let’s talk about what Chronologue does.
The Chronologue API is an open-source interface that provides data about astronomical events that have been captured by the Chronologue telescope. The Chronologue telescope can look into the past and also make event predictions for the future.
Users can watch pre-rendered events on a website, or submit requests for new events to be recorded. The Chronologue API is an open-source interface that provides data about astronomical events. You can effortlessly query astronomical data stored in the API and visualize events on the Chronologue website.
The Chronologue API follows a REST architecture. The website is built with Next.js. You can access the API’s resources via HTTP requests, and responses are given in JSON format.
Base URL
The following is the base address for the Chronologue API:
http://chronologue.netlify.app/api
Version
The current API version is 1.0.
Events
The methods combined in the Events resource return astronomical events from the past, the present, or the future. The information can include an image, a video record, or an article about the event.
Retrieve all available data
Returns all past, present, and future events from all locations.
Endpoint
GET /api/all/
Request example
curl -X GET 'http://chronologue.netlify.app/api/all/'
Response example
[
{
"event": "The Orbiting Astronomical Observatory 2 was the first space telescope launched",
"date": "1968-12-07",
"image": "http://www.sal.wisc.edu/OAO/oao1reg.jpg",
"video": "",
"links": [
"https://en.wikipedia.org/wiki/Space_exploration#Telescope",
"http://www.sal.wisc.edu/OAO/"
],
"continent": "north-america"
},
{
"event": "launched the first teleportation as a service",
"date": "3320-2-10",
"image": "",
"video": "",
"links": [
""
],
"continent": "asia"
}
]
Retrieve all events from all locations in a year
Get all the events from all locations that occurred during a specific year.
Endpoint
GET /year/{year-number}
Path parameters
| Path parameter | Type | Required | Description |
|---|---|---|---|
| year-number | int | required | The specific year to return all events for. |
Request example
curl -X GET "https://chronologue.netlify.app/api/year/1968"
Response example
[
{
"continent": "north-america",
"country": "usa",
"events": [
{
"event": "The Orbiting Astronomical Observatory 2 was the first space telescope launched",
"date": "1968-12-07",
"image": "http://www.sal.wisc.edu/OAO/oao1reg.jpg",
"video": "",
"links": [
"https://en.wikipedia.org/wiki/Space_exploration#Telescope",
"http://www.sal.wisc.edu/OAO/"
]
}
]
}
]
Retrieve all events in a continent
This API endpoint fetches all the events that occurred in the specified continent.
Endpoint
GET /location/{continent-name}
Path parameters
| Path parameter | Type | Required | Description |
|---|---|---|---|
| continent-name | string | required | This field is input as the name of the continent. It retrieves the events that occurred on a continent. |
Request example
curl -X GET "https://chronologue.netlify.app/api/location/north-america"
Response example
[
{
"eventName": "The Orbiting Astronomical Observatory 2 was the first space telescope launched",
"dateName": "1968-12-07T00:00:00.000Z",
"imageName": "http://www.sal.wisc.edu/OAO/oao1reg.jpg",
"videoName": "",
"linkName": [
"https://en.wikipedia.org/wiki/Space_exploration#Telescope",
"http://www.sal.wisc.edu/OAO/"
]
},
{
"eventName": "Voyager 1 became the first human-made object to leave the Solar System into interstellar space",
"dateName": "2012-08-25T00:00:00.000Z",
"imageName": "https://upload.wikimedia.org/wikipedia/commons/6/60/Voyager_spacecraft_model.png",
"videoName": "link",
"linkName": [
"https://en.wikipedia.org/wiki/Space_exploration#Telescope",
"https://en.wikipedia.org/wiki/Voyager_1"
]
},
{
"eventName": "NASA Perseverance rover landed on Mars to find clues on past microbial life",
"dateName": "2021-02-18T00:00:00.000Z",
"imageName": "https://www.nasa.gov/sites/default/files/thumbnails/image/09_touchdown_10k.jpg",
"videoName": "link",
"linkName": [
"https://www.nasa.gov/press-release/nasa-invites-public-to-share-thrill-of-mars-perseverance-rover-landing",
""
]
},
{
"eventName": "NASA Artemis mission sending the first woman and man to the Moon by 2024",
"dateName": "2024-06-07T00:00:00.000Z",
"imageName": "https://blogs.nasa.gov/artemis/wp-content/uploads/sites/303/2021/10/OrionStacked.jpg",
"videoName": "link",
"linkName": [
"https://www.nasa.gov/specials/artemis/",
"https://blogs.nasa.gov/artemis/2021/10/20/stacking-operations-for-artemis-i-mission-nearing-completion/"
]
},
{
"eventName": "Light pollution in Europe is so bad, that you can not see stars with the naked eye any more.",
"dateName": "3000-02-08T00:00:00.000Z",
"imageName": "https://www.darksky.org/wp-content/uploads/2014/09/Light_Pollution_Diagram_680px.jpg",
"videoName": "https://www.youtube.com/watch?v=isoJ0XIKDlc",
"linkName": [
"https://www.darksky.org/light-pollution/",
"https://blue-marble.de/nightlights/2012"
]
}
]
Retrieve events for the specific year and location
Returns events that took place in the given location and year.
Endpoint
GET /year/{year-number}/location/{continent-name}
Path parameters
| Path parameter | Type | Required | Description |
|---|---|---|---|
| year-number | int | required | The unique year to return all events for. |
| continent-name | string | required | The unique continent name to return all events for. |
Request example
curl -X GET "https://chronologue.netlify.app/api/year/3320/location/asia"
Response example
[
{
"event": "launched the first teleportation as a service",
"date": "3320-2-10",
"image": "",
"video": "",
"links": [
""
]
}
]
Locations
The methods combined in the Locations resource return locations where Chronologue has registered some events.
Retrieve all locations
Returns arrays of where events took place.
Endpoint
GET /location/{location-id}
Path parameter
| Path parameter | Type | Required | Description |
|---|---|---|---|
| location-id | string | required | The unique location ID to return events for. |
Request example
curl --location --request GET 'https://chronologue.netlify.app/api/location/europe'
Response example
[
{
"eventName": "The first successful orbital launch of the Soviet uncrewed Sputnik 1 mission",
"dateName": "1957-10-04T00:00:00.000Z",
"imageName": "https://upload.wikimedia.org/wikipedia/commons/b/be/Sputnik_asm.jpg",
"videoName": "link",
"linkName": [
"https://en.wikipedia.org/wiki/Space_exploration#Telescope",
"https://en.wikipedia.org/wiki/Sputnik_1"
]
},
{
"eventName": "The first successful human spaceflight was Vostok 1, carrying the 27-year-old Russian cosmonaut, Yuri Gagarin",
"dateName": "1961-04-12T00:00:00.000Z",
"imageName": "https://upload.wikimedia.org/wikipedia/commons/d/df/Vostok_spacecraft.jpg",
"videoName": "link",
"linkName": [
"https://en.wikipedia.org/wiki/Space_exploration#Telescope",
"https://en.wikipedia.org/wiki/Vostok_1"
]
}
]
Years
The methods combined in the Years resource return years when Chronologue has registered some events.
Retrieve a list of years
Retrieves a list of available years to query for data.
Endpoint
GET /api/all-years-id
Request example
curl -X GET 'http://chronologue.netlify.app/api/all-years-id'
Response example
[
"1968",
"1957",
"1961",
"2012",
"2016",
"2021",
"2024",
"3000",
"2030",
"3320"
]
Response schema
| Name | Type | Description |
|---|---|---|
| continents | string | The continent where the event occurred. |
| country | string | The country where the event occurred. |
| events | array | Contains a list of events that occurred during a year. Each event is an object containing additional information. |
| eventname | string | The event is part of the response and is returned as a string containing the details of the event. |
| datename | DATE(yyyy-mm-dd) | The date on which the event occurred. |
| imagename | string | A link to an event related image |
| videoname | string | The video is returned as a link which when clicked on displays the video clip related to the event. |
| linkname | string - link | Links are returned as a response and when clicked on the links, displays the source from which the events have been retrieved. |