Erskine May API

parliament · Data

Data No Auth Free & Open open_data

An API that allows querying of Erskine May data.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Returns a list of index terms by start letter.

Returns a list of index terms by start letter.

https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/IndexTerm/browse?skip=0&take=20&startLetter=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/IndexTerm/browse?skip=0&take=20&startLetter=example"

import requests
params = {
    "skip": "0",
    "take": "20",
    "startLetter": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/IndexTerm/browse",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/IndexTerm/browse');
url.searchParams.set('skip', '0');
url.searchParams.set('take', '20');
url.searchParams.set('startLetter', 'example');

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/parliament.uk/erskine-may/v1/api/IndexTerm/browse")
	q := baseURL.Query()
	q.Set("skip", "0")
	q.Set("take", "20")
	q.Set("startLetter", "example")
	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/parliament.uk/erskine-may/v1/api/IndexTerm/browse")
uri.query = URI.encode_www_form({
  "skip" => "0",
  "take" => "20",
  "startLetter" => "example"
})

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/parliament.uk/erskine-may/v1/api/IndexTerm/browse?" . http_build_query([
    "skip" => "0",
    "take" => "20",
    "startLetter" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Returns a list of all parts.

Returns a list of all parts.

https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Part

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Part"

import requests
response = requests.get(
    "https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Part",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Part';

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

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Part"
	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/parliament.uk/erskine-may/v1/api/Part")

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/parliament.uk/erskine-may/v1/api/Part";
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Returns a list of index terms which contain the search term.

Returns a list of index terms which contain the search term.

https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Search/IndexTermSearchResults/{searchTerm}?skip=0&take=20

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Search/IndexTermSearchResults/{searchTerm}?skip=0&take=20"

import requests
params = {
    "skip": "0",
    "take": "20"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Search/IndexTermSearchResults/{searchTerm}",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/parliament.uk/erskine-may/v1/api/Search/IndexTermSearchResults/{searchTerm}');
url.searchParams.set('skip', '0');
url.searchParams.set('take', '20');

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/parliament.uk/erskine-may/v1/api/Search/IndexTermSearchResults/{searchTerm}")
	q := baseURL.Query()
	q.Set("skip", "0")
	q.Set("take", "20")
	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/parliament.uk/erskine-may/v1/api/Search/IndexTermSearchResults/{searchTerm}")
uri.query = URI.encode_www_form({
  "skip" => "0",
  "take" => "20"
})

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/parliament.uk/erskine-may/v1/api/Search/IndexTermSearchResults/{searchTerm}?" . http_build_query([
    "skip" => "0",
    "take" => "20"
]);
$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 Erskine May API?

Erskine May API 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. Erskine May API is free to use, making it a low-risk choice to experiment with.

New to APIs? Read our beginner's guide

Open documentation ↗