Members API

parliament · Data

Data No Auth Free & Open open_data

An API which retrieves Members data.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET Returns a list of registered interests

Returns a list of registered interests

https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Register?page=1&searchTerm=example&includeDeleted=false

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Register?page=1&searchTerm=example&includeDeleted=false"

import requests
params = {
    "page": "1",
    "searchTerm": "example",
    "includeDeleted": "false"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Register",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Register');
url.searchParams.set('page', '1');
url.searchParams.set('searchTerm', 'example');
url.searchParams.set('includeDeleted', '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/parliament.uk/members/v1/api/LordsInterests/Register")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("searchTerm", "example")
	q.Set("includeDeleted", "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/parliament.uk/members/v1/api/LordsInterests/Register")
uri.query = URI.encode_www_form({
  "page" => "1",
  "searchTerm" => "example",
  "includeDeleted" => "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/parliament.uk/members/v1/api/LordsInterests/Register?" . http_build_query([
    "page" => "1",
    "searchTerm" => "example",
    "includeDeleted" => "false"
]);
$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 staff

Returns a list of staff

https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Staff?page=1&searchTerm=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Staff?page=1&searchTerm=example"

import requests
params = {
    "page": "1",
    "searchTerm": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Staff",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/LordsInterests/Staff');
url.searchParams.set('page', '1');
url.searchParams.set('searchTerm', '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/members/v1/api/LordsInterests/Staff")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("searchTerm", "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/members/v1/api/LordsInterests/Staff")
uri.query = URI.encode_www_form({
  "page" => "1",
  "searchTerm" => "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/members/v1/api/LordsInterests/Staff?" . http_build_query([
    "page" => "1",
    "searchTerm" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET Return members by ID with list of their historical names, parties and memberships

Return members by ID with list of their historical names, parties and memberships

https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/Members/History?ids=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/Members/History?ids=example"

import requests
params = {
    "ids": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/Members/History",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/parliament.uk/members/v1/api/Members/History');
url.searchParams.set('ids', '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/members/v1/api/Members/History")
	q := baseURL.Query()
	q.Set("ids", "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/members/v1/api/Members/History")
uri.query = URI.encode_www_form({
  "ids" => "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/members/v1/api/Members/History?" . http_build_query([
    "ids" => "example"
]);
$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 Members API?

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

New to APIs? Read our beginner's guide

Open documentation ↗