CORE API v2

core · Data

Data No Auth Free & Open open_data

You can use the CORE API to access the resources harvested and enriched by CORE. If you encounter any problems with the API, please report them to us . Overview The API is organised by resource type. The resources are articles , journals and repositories and are represented using JSON data format. Furthermore, each resource has a list of methods. The API also pro

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Search through all resources

Searches through all resources and returns a JSON array with search results. Method searches through all resources and all fields. The results are ordered by relevance score and contain type of the relevant resource and its ID. The metadata of each resource need to be obtained through an appropriate

https://api.apis.guru/v2/specs/core.ac.uk/2.0/search/{query}?page=1&pageSize=10

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/core.ac.uk/2.0/search/{query}?page=1&pageSize=10"

import requests
params = {
    "page": "1",
    "pageSize": "10"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/core.ac.uk/2.0/search/{query}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/core.ac.uk/2.0/search/{query}');
url.searchParams.set('page', '1');
url.searchParams.set('pageSize', '10');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/core.ac.uk/2.0/search/{query}")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("pageSize", "10")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/core.ac.uk/2.0/search/{query}")
uri.query = URI.encode_www_form({
  "page" => "1",
  "pageSize" => "10"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/core.ac.uk/2.0/search/{query}?" . http_build_query([
    "page" => "1",
    "pageSize" => "10"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Get article by CORE ID

Method will retrieve an article based on given CORE ID.

https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/get/{coreId}?urls=false&similar=false&fulltext=false&metadata=true&citations=false&duplicate=false&faithfulMetadata=false

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/get/{coreId}?urls=false&similar=false&fulltext=false&metadata=true&citations=false&duplicate=false&faithfulMetadata=false"

import requests
params = {
    "urls": "false",
    "similar": "false",
    "fulltext": "false",
    "metadata": "true",
    "citations": "false",
    "duplicate": "false",
    "faithfulMetadata": "false"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/get/{coreId}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/get/{coreId}');
url.searchParams.set('urls', 'false');
url.searchParams.set('similar', 'false');
url.searchParams.set('fulltext', 'false');
url.searchParams.set('metadata', 'true');
url.searchParams.set('citations', 'false');
url.searchParams.set('duplicate', 'false');
url.searchParams.set('faithfulMetadata', 'false');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/get/{coreId}")
	q := baseURL.Query()
	q.Set("urls", "false")
	q.Set("similar", "false")
	q.Set("fulltext", "false")
	q.Set("metadata", "true")
	q.Set("citations", "false")
	q.Set("duplicate", "false")
	q.Set("faithfulMetadata", "false")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/get/{coreId}")
uri.query = URI.encode_www_form({
  "urls" => "false",
  "similar" => "false",
  "fulltext" => "false",
  "metadata" => "true",
  "citations" => "false",
  "duplicate" => "false",
  "faithfulMetadata" => "false"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/get/{coreId}?" . http_build_query([
    "urls" => "false",
    "similar" => "false",
    "fulltext" => "false",
    "metadata" => "true",
    "citations" => "false",
    "duplicate" => "false",
    "faithfulMetadata" => "false"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Search through all documents

Searches through all articles and returns a JSON array with search results. Method searches through all article fields.

https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/search/{query}?page=1&urls=false&similar=false&fulltext=false&metadata=true&pageSize=10&citations=false&duplicate=false&faithfulMetadata=false

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/search/{query}?page=1&urls=false&similar=false&fulltext=false&metadata=true&pageSize=10&citations=false&duplicate=false&faithfulMetadata=false"

import requests
params = {
    "page": "1",
    "urls": "false",
    "similar": "false",
    "fulltext": "false",
    "metadata": "true",
    "pageSize": "10",
    "citations": "false",
    "duplicate": "false",
    "faithfulMetadata": "false"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/search/{query}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/search/{query}');
url.searchParams.set('page', '1');
url.searchParams.set('urls', 'false');
url.searchParams.set('similar', 'false');
url.searchParams.set('fulltext', 'false');
url.searchParams.set('metadata', 'true');
url.searchParams.set('pageSize', '10');
url.searchParams.set('citations', 'false');
url.searchParams.set('duplicate', 'false');
url.searchParams.set('faithfulMetadata', 'false');

const response = await fetch(url); 
const data = await response.json();
console.log(data);

package main

import (
	"fmt"
	"io"
	"net/http"
	"net/url"
)

func main() {
	baseURL, _ := url.Parse("https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/search/{query}")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("urls", "false")
	q.Set("similar", "false")
	q.Set("fulltext", "false")
	q.Set("metadata", "true")
	q.Set("pageSize", "10")
	q.Set("citations", "false")
	q.Set("duplicate", "false")
	q.Set("faithfulMetadata", "false")
	baseURL.RawQuery = q.Encode()
	targetURL := baseURL.String()
	req, _ := http.NewRequest("GET", targetURL, nil)

	client := &http.Client{}
	resp, _ := client.Do(req)
	defer resp.Body.Close()
	body, _ := io.ReadAll(resp.Body)
	fmt.Println(string(body))
}

require "net/http"
require "json"

uri = URI("https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/search/{query}")
uri.query = URI.encode_www_form({
  "page" => "1",
  "urls" => "false",
  "similar" => "false",
  "fulltext" => "false",
  "metadata" => "true",
  "pageSize" => "10",
  "citations" => "false",
  "duplicate" => "false",
  "faithfulMetadata" => "false"
})

http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = uri.scheme == "https"

req = Net::HTTP::Get.new(uri)

res = http.request(req)
puts JSON.parse(res.body)

<?php
$url = "https://api.apis.guru/v2/specs/core.ac.uk/2.0/articles/search/{query}?" . http_build_query([
    "page" => "1",
    "urls" => "false",
    "similar" => "false",
    "fulltext" => "false",
    "metadata" => "true",
    "pageSize" => "10",
    "citations" => "false",
    "duplicate" => "false",
    "faithfulMetadata" => "false"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

Postman Setup Guide

Get Postman ↗

See official documentation for authentication and setup.

What can you build with CORE API v2?

CORE API v2 is a Data API. Developers commonly use data APIs for:

enriching your app with third-party datasets
building data pipelines and ETL workflows
querying and searching large datasets
powering research, analysis, and reporting tools
syncing reference data into your own systems

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. CORE API v2 is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide · Learn about API keys · What is REST?

Open documentation ↗