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OpenFEC

fec · Government

Government No Auth Free & Open open_data

This application programming interface (API) allows you to explore the way candidates and committees fund their campaigns. The Federal Election Commission (FEC) API is a RESTful web service supporting full-text and field-specific searches on FEC data. [Bulk downloads](https://www.fec.gov/data/advanced/?tab=bulk-data) are available on the current site. Information is tied to the underlying forms by file ID and image ID. Data is updated nightly. There are a lot of data, and a good place to s

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET GET /audit-case/

This endpoint contains Final Audit Reports approved by the Commission since inception. The search can be based on information about the audited committee (Name, FEC ID Number, Type, Election Cycle) or the issues covered in the report.

https://api.apis.guru/v2/specs/fec.gov/1.0/audit-case?q=test&qq=example&page=1&sort=-cycle,committee_name&cycle=example&api_key=DEMO_KEY&audit_id=example&per_page=20&candidate_id=example&committee_id=example&audit_case_id=example&committee_type=example&sort_hide_null=false&sort_null_only=false&sort_nulls_last=false&sub_category_id=all&max_election_cycle=1&min_election_cycle=1&primary_category_id=all&committee_designation=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/fec.gov/1.0/audit-case/?q=test&qq=example&page=1&sort=-cycle%2Ccommittee_name&cycle=example&api_key=DEMO_KEY&audit_id=example&per_page=20&candidate_id=example&committee_id=example&audit_case_id=example&committee_type=example&sort_hide_null=false&sort_null_only=false&sort_nulls_last=false&sub_category_id=all&max_election_cycle=1&min_election_cycle=1&primary_category_id=all&committee_designation=example"
import requests
params = {
    "q": "test",
    "qq": "example",
    "page": "1",
    "sort": "-cycle,committee_name",
    "cycle": "example",
    "api_key": "DEMO_KEY",
    "audit_id": "example",
    "per_page": "20",
    "candidate_id": "example",
    "committee_id": "example",
    "audit_case_id": "example",
    "committee_type": "example",
    "sort_hide_null": "false",
    "sort_null_only": "false",
    "sort_nulls_last": "false",
    "sub_category_id": "all",
    "max_election_cycle": "1",
    "min_election_cycle": "1",
    "primary_category_id": "all",
    "committee_designation": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/fec.gov/1.0/audit-case/",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/fec.gov/1.0/audit-case/');
url.searchParams.set('q', 'test');
url.searchParams.set('qq', 'example');
url.searchParams.set('page', '1');
url.searchParams.set('sort', '-cycle,committee_name');
url.searchParams.set('cycle', 'example');
url.searchParams.set('api_key', 'DEMO_KEY');
url.searchParams.set('audit_id', 'example');
url.searchParams.set('per_page', '20');
url.searchParams.set('candidate_id', 'example');
url.searchParams.set('committee_id', 'example');
url.searchParams.set('audit_case_id', 'example');
url.searchParams.set('committee_type', 'example');
url.searchParams.set('sort_hide_null', 'false');
url.searchParams.set('sort_null_only', 'false');
url.searchParams.set('sort_nulls_last', 'false');
url.searchParams.set('sub_category_id', 'all');
url.searchParams.set('max_election_cycle', '1');
url.searchParams.set('min_election_cycle', '1');
url.searchParams.set('primary_category_id', 'all');
url.searchParams.set('committee_designation', '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/fec.gov/1.0/audit-case/")
	q := baseURL.Query()
	q.Set("q", "test")
	q.Set("qq", "example")
	q.Set("page", "1")
	q.Set("sort", "-cycle,committee_name")
	q.Set("cycle", "example")
	q.Set("api_key", "DEMO_KEY")
	q.Set("audit_id", "example")
	q.Set("per_page", "20")
	q.Set("candidate_id", "example")
	q.Set("committee_id", "example")
	q.Set("audit_case_id", "example")
	q.Set("committee_type", "example")
	q.Set("sort_hide_null", "false")
	q.Set("sort_null_only", "false")
	q.Set("sort_nulls_last", "false")
	q.Set("sub_category_id", "all")
	q.Set("max_election_cycle", "1")
	q.Set("min_election_cycle", "1")
	q.Set("primary_category_id", "all")
	q.Set("committee_designation", "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/fec.gov/1.0/audit-case/")
uri.query = URI.encode_www_form({
  "q" => "test",
  "qq" => "example",
  "page" => "1",
  "sort" => "-cycle,committee_name",
  "cycle" => "example",
  "api_key" => "DEMO_KEY",
  "audit_id" => "example",
  "per_page" => "20",
  "candidate_id" => "example",
  "committee_id" => "example",
  "audit_case_id" => "example",
  "committee_type" => "example",
  "sort_hide_null" => "false",
  "sort_null_only" => "false",
  "sort_nulls_last" => "false",
  "sub_category_id" => "all",
  "max_election_cycle" => "1",
  "min_election_cycle" => "1",
  "primary_category_id" => "all",
  "committee_designation" => "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/fec.gov/1.0/audit-case/?" . http_build_query([
    "q" => "test",
    "qq" => "example",
    "page" => "1",
    "sort" => "-cycle,committee_name",
    "cycle" => "example",
    "api_key" => "DEMO_KEY",
    "audit_id" => "example",
    "per_page" => "20",
    "candidate_id" => "example",
    "committee_id" => "example",
    "audit_case_id" => "example",
    "committee_type" => "example",
    "sort_hide_null" => "false",
    "sort_null_only" => "false",
    "sort_nulls_last" => "false",
    "sub_category_id" => "all",
    "max_election_cycle" => "1",
    "min_election_cycle" => "1",
    "primary_category_id" => "all",
    "committee_designation" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET GET /audit-category/

This lists the options for the categories and subcategories available in the /audit-search/ endpoint.

https://api.apis.guru/v2/specs/fec.gov/1.0/audit-category?page=1&sort=primary_category_name&api_key=DEMO_KEY&per_page=20&sort_hide_null=false&sort_null_only=false&sort_nulls_last=false&primary_category_id=example&primary_category_name=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/fec.gov/1.0/audit-category/?page=1&sort=primary_category_name&api_key=DEMO_KEY&per_page=20&sort_hide_null=false&sort_null_only=false&sort_nulls_last=false&primary_category_id=example&primary_category_name=example"
import requests
params = {
    "page": "1",
    "sort": "primary_category_name",
    "api_key": "DEMO_KEY",
    "per_page": "20",
    "sort_hide_null": "false",
    "sort_null_only": "false",
    "sort_nulls_last": "false",
    "primary_category_id": "example",
    "primary_category_name": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/fec.gov/1.0/audit-category/",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/fec.gov/1.0/audit-category/');
url.searchParams.set('page', '1');
url.searchParams.set('sort', 'primary_category_name');
url.searchParams.set('api_key', 'DEMO_KEY');
url.searchParams.set('per_page', '20');
url.searchParams.set('sort_hide_null', 'false');
url.searchParams.set('sort_null_only', 'false');
url.searchParams.set('sort_nulls_last', 'false');
url.searchParams.set('primary_category_id', 'example');
url.searchParams.set('primary_category_name', '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/fec.gov/1.0/audit-category/")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("sort", "primary_category_name")
	q.Set("api_key", "DEMO_KEY")
	q.Set("per_page", "20")
	q.Set("sort_hide_null", "false")
	q.Set("sort_null_only", "false")
	q.Set("sort_nulls_last", "false")
	q.Set("primary_category_id", "example")
	q.Set("primary_category_name", "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/fec.gov/1.0/audit-category/")
uri.query = URI.encode_www_form({
  "page" => "1",
  "sort" => "primary_category_name",
  "api_key" => "DEMO_KEY",
  "per_page" => "20",
  "sort_hide_null" => "false",
  "sort_null_only" => "false",
  "sort_nulls_last" => "false",
  "primary_category_id" => "example",
  "primary_category_name" => "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/fec.gov/1.0/audit-category/?" . http_build_query([
    "page" => "1",
    "sort" => "primary_category_name",
    "api_key" => "DEMO_KEY",
    "per_page" => "20",
    "sort_hide_null" => "false",
    "sort_null_only" => "false",
    "sort_nulls_last" => "false",
    "primary_category_id" => "example",
    "primary_category_name" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));
GET GET /audit-primary-category/

This lists the options for the primary categories available in the /audit-search/ endpoint.

https://api.apis.guru/v2/specs/fec.gov/1.0/audit-primary-category?page=1&sort=primary_category_name&api_key=DEMO_KEY&per_page=20&sort_hide_null=false&sort_null_only=false&sort_nulls_last=false&primary_category_id=example&primary_category_name=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/fec.gov/1.0/audit-primary-category/?page=1&sort=primary_category_name&api_key=DEMO_KEY&per_page=20&sort_hide_null=false&sort_null_only=false&sort_nulls_last=false&primary_category_id=example&primary_category_name=example"
import requests
params = {
    "page": "1",
    "sort": "primary_category_name",
    "api_key": "DEMO_KEY",
    "per_page": "20",
    "sort_hide_null": "false",
    "sort_null_only": "false",
    "sort_nulls_last": "false",
    "primary_category_id": "example",
    "primary_category_name": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/fec.gov/1.0/audit-primary-category/",
    params=params,
)
print(response.json())
const url = new URL('https://api.apis.guru/v2/specs/fec.gov/1.0/audit-primary-category/');
url.searchParams.set('page', '1');
url.searchParams.set('sort', 'primary_category_name');
url.searchParams.set('api_key', 'DEMO_KEY');
url.searchParams.set('per_page', '20');
url.searchParams.set('sort_hide_null', 'false');
url.searchParams.set('sort_null_only', 'false');
url.searchParams.set('sort_nulls_last', 'false');
url.searchParams.set('primary_category_id', 'example');
url.searchParams.set('primary_category_name', '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/fec.gov/1.0/audit-primary-category/")
	q := baseURL.Query()
	q.Set("page", "1")
	q.Set("sort", "primary_category_name")
	q.Set("api_key", "DEMO_KEY")
	q.Set("per_page", "20")
	q.Set("sort_hide_null", "false")
	q.Set("sort_null_only", "false")
	q.Set("sort_nulls_last", "false")
	q.Set("primary_category_id", "example")
	q.Set("primary_category_name", "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/fec.gov/1.0/audit-primary-category/")
uri.query = URI.encode_www_form({
  "page" => "1",
  "sort" => "primary_category_name",
  "api_key" => "DEMO_KEY",
  "per_page" => "20",
  "sort_hide_null" => "false",
  "sort_null_only" => "false",
  "sort_nulls_last" => "false",
  "primary_category_id" => "example",
  "primary_category_name" => "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/fec.gov/1.0/audit-primary-category/?" . http_build_query([
    "page" => "1",
    "sort" => "primary_category_name",
    "api_key" => "DEMO_KEY",
    "per_page" => "20",
    "sort_hide_null" => "false",
    "sort_null_only" => "false",
    "sort_nulls_last" => "false",
    "primary_category_id" => "example",
    "primary_category_name" => "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 ↗
  1. See official documentation for authentication and setup.

What can you build with OpenFEC?

OpenFEC is a Government API. Developers commonly use government APIs for:

  • surfacing public datasets in citizen-facing apps
  • building transparency and civic engagement tools
  • accessing legislation, court records, and official data
  • powering research and journalism tools
  • creating compliance and regulatory monitoring dashboards

No authentication required. This API is open — no signup or key needed. Ideal for quick prototypes and public-facing features. OpenFEC 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 ↗