Telegram Bot API

telegram · Company

Company No Auth Free & Open messaging

Auto-generated OpenAPI schema

Authentication

No authentication requiredFree to use with no key needed.

Sample Requests

POST POST /addStickerToSet

Use this method to add a new sticker to a set created by the bot. You **must** use exactly one of the fields *png\_sticker* or *tgs\_sticker*. Animated stickers can be added to animated sticker sets and only to them. Animated sticker sets can have up to 50 stickers. Static sticker sets can have up t

https://api.apis.guru/v2/specs/telegram.org/5.0.0/addStickerToSet

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/telegram.org/5.0.0/addStickerToSet"

import requests
response = requests.post(
    "https://api.apis.guru/v2/specs/telegram.org/5.0.0/addStickerToSet",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/telegram.org/5.0.0/addStickerToSet';

const response = await fetch(url, {
  method: 'POST',
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/telegram.org/5.0.0/addStickerToSet"
	req, _ := http.NewRequest("POST", 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/telegram.org/5.0.0/addStickerToSet")

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

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

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

<?php
$url = "https://api.apis.guru/v2/specs/telegram.org/5.0.0/addStickerToSet";
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

POST POST /answerCallbackQuery

Use this method to send answers to callback queries sent from [inline keyboards](/bots#inline-keyboards-and-on-the-fly-updating). The answer will be displayed to the user as a notification at the top of the chat screen or as an alert. On success, *True* is returned. Alternatively, the user can be r

https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerCallbackQuery

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerCallbackQuery"

import requests
response = requests.post(
    "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerCallbackQuery",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerCallbackQuery';

const response = await fetch(url, {
  method: 'POST',
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerCallbackQuery"
	req, _ := http.NewRequest("POST", 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/telegram.org/5.0.0/answerCallbackQuery")

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

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

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

<?php
$url = "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerCallbackQuery";
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($opts);
$res = file_get_contents($url, false, $ctx);
print_r(json_decode($res, true));

POST POST /answerInlineQuery

Use this method to send answers to an inline query. On success, *True* is returned. No more than **50** results per query are allowed.

https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerInlineQuery

Hover any highlighted part to learn what it does

curl -X POST "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerInlineQuery"

import requests
response = requests.post(
    "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerInlineQuery",
)
print(response.json())

const url = 'https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerInlineQuery';

const response = await fetch(url, {
  method: 'POST',
}); 
const data = await response.json();
console.log(data);

package main

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

func main() {
	targetURL := "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerInlineQuery"
	req, _ := http.NewRequest("POST", 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/telegram.org/5.0.0/answerInlineQuery")

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

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

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

<?php
$url = "https://api.apis.guru/v2/specs/telegram.org/5.0.0/answerInlineQuery";
$opts = ["http" => [
    "method" => "POST",
]];
$ctx = stream_context_create($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 Telegram Bot API?

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

New to APIs? Read our beginner's guide

Open documentation ↗