Slack Web API

slack · Company

Company No Auth Free & Open collaboration messaging

One way to interact with the Slack platform is its HTTP RPC-based Web API, a collection of methods requiring OAuth 2.0-based user, bot, or workspace tokens blessed with related OAuth scopes.

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

GET admin_apps_approved_list

List approved apps for an org or workspace.

https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.approved.list?limit=10&token=YOUR_TOKEN&cursor=example&team_id=example&enterprise_id=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.approved.list?limit=10&token=YOUR_TOKEN&cursor=example&team_id=example&enterprise_id=example"

import requests
params = {
    "limit": "10",
    "token": "YOUR_TOKEN",
    "cursor": "example",
    "team_id": "example",
    "enterprise_id": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.approved.list",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.approved.list');
url.searchParams.set('limit', '10');
url.searchParams.set('token', 'YOUR_TOKEN');
url.searchParams.set('cursor', 'example');
url.searchParams.set('team_id', 'example');
url.searchParams.set('enterprise_id', '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/slack.com/1.7.0/admin.apps.approved.list")
	q := baseURL.Query()
	q.Set("limit", "10")
	q.Set("token", "YOUR_TOKEN")
	q.Set("cursor", "example")
	q.Set("team_id", "example")
	q.Set("enterprise_id", "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/slack.com/1.7.0/admin.apps.approved.list")
uri.query = URI.encode_www_form({
  "limit" => "10",
  "token" => "YOUR_TOKEN",
  "cursor" => "example",
  "team_id" => "example",
  "enterprise_id" => "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/slack.com/1.7.0/admin.apps.approved.list?" . http_build_query([
    "limit" => "10",
    "token" => "YOUR_TOKEN",
    "cursor" => "example",
    "team_id" => "example",
    "enterprise_id" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET admin_apps_requests_list

List app requests for a team/workspace.

https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.requests.list?limit=10&token=YOUR_TOKEN&cursor=example&team_id=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.requests.list?limit=10&token=YOUR_TOKEN&cursor=example&team_id=example"

import requests
params = {
    "limit": "10",
    "token": "YOUR_TOKEN",
    "cursor": "example",
    "team_id": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.requests.list",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.requests.list');
url.searchParams.set('limit', '10');
url.searchParams.set('token', 'YOUR_TOKEN');
url.searchParams.set('cursor', 'example');
url.searchParams.set('team_id', '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/slack.com/1.7.0/admin.apps.requests.list")
	q := baseURL.Query()
	q.Set("limit", "10")
	q.Set("token", "YOUR_TOKEN")
	q.Set("cursor", "example")
	q.Set("team_id", "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/slack.com/1.7.0/admin.apps.requests.list")
uri.query = URI.encode_www_form({
  "limit" => "10",
  "token" => "YOUR_TOKEN",
  "cursor" => "example",
  "team_id" => "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/slack.com/1.7.0/admin.apps.requests.list?" . http_build_query([
    "limit" => "10",
    "token" => "YOUR_TOKEN",
    "cursor" => "example",
    "team_id" => "example"
]);
$opts = ["http" => [
    "method" => "GET",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

GET admin_apps_restricted_list

List restricted apps for an org or workspace.

https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.restricted.list?limit=10&token=YOUR_TOKEN&cursor=example&team_id=example&enterprise_id=example

Hover any highlighted part to learn what it does

curl -X GET "https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.restricted.list?limit=10&token=YOUR_TOKEN&cursor=example&team_id=example&enterprise_id=example"

import requests
params = {
    "limit": "10",
    "token": "YOUR_TOKEN",
    "cursor": "example",
    "team_id": "example",
    "enterprise_id": "example"
}
response = requests.get(
    "https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.restricted.list",
    params=params,
)
print(response.json())

const url = new URL('https://api.apis.guru/v2/specs/slack.com/1.7.0/admin.apps.restricted.list');
url.searchParams.set('limit', '10');
url.searchParams.set('token', 'YOUR_TOKEN');
url.searchParams.set('cursor', 'example');
url.searchParams.set('team_id', 'example');
url.searchParams.set('enterprise_id', '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/slack.com/1.7.0/admin.apps.restricted.list")
	q := baseURL.Query()
	q.Set("limit", "10")
	q.Set("token", "YOUR_TOKEN")
	q.Set("cursor", "example")
	q.Set("team_id", "example")
	q.Set("enterprise_id", "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/slack.com/1.7.0/admin.apps.restricted.list")
uri.query = URI.encode_www_form({
  "limit" => "10",
  "token" => "YOUR_TOKEN",
  "cursor" => "example",
  "team_id" => "example",
  "enterprise_id" => "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/slack.com/1.7.0/admin.apps.restricted.list?" . http_build_query([
    "limit" => "10",
    "token" => "YOUR_TOKEN",
    "cursor" => "example",
    "team_id" => "example",
    "enterprise_id" => "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 Slack Web API?

Slack Web API is a Company API. Developers commonly use company APIs for:

enriching CRM records with company firmographics
building lead-generation and prospecting tools
verifying business identity and registration details
monitoring competitors and market intelligence
powering B2B data enrichment pipelines

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

New to APIs? Read our beginner's guide

Open documentation ↗