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how to add contacts supper fast in telegram with c#?

I have 200000 contacts(phone number) in the notepad. in fact, I wanna read numbers from notepad then add they very fast in the telegram, for example, I wanna add 20000 phone number about five minutes.I wanna do it with "winform" but I don't know how can I add super fast numbers in the telegram. in generally, is it possible?

this is telegram API

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Compétences : Programmation C#, Bureau Windows

Voir plus : add contacts site, add contacts phpizabi, add contacts app android , add contacts hotmail account, add contacts aol yahoo, add contacts aol mail, add contacts contract salesforce, hotmail add contacts

Concernant l'employeur :
( 0 commentaires ) Canada

N° du projet : #12684127

13 freelance ont fait une offre moyenne de 53 $ pour ce travail

ta0soft

Hi I would be happy to help with your project :) I have over 10 years of experience with C# and C++, I specialize in Windows Forms applications and GUI design. I also have lots of experience with asynchronous file I/O Plus

50 $ USD en 1 jour
(92 Commentaires)
6.2
sheikDev

Hello, In interested to work on this. Thanks, Sheik

100 $ USD en 2 jours
(26 Commentaires)
4.7
sergioeliot3

Hi! I'm experienced with .NET development, looks like there's a feasable path to get this job done. The only caveat is that I will need to pick up Telegram API from documentation. I have adjusted budget to cover som Plus

80 $ USD en 7 jours
(23 Commentaires)
4.6
pakaimsolutions

Hello, I hope you doing very well! I have gone through the description and would like to provide a quality solution using 5+ years of professional experience in required skills. (.NET/ASP.NET - MVC, EF, SQL, C#). Plus

25 $ USD en 1 jour
(11 Commentaires)
4.0
BeautiCG

Hi,dear. Thank you for your interest. I've just checked your project report,I'm able to perform this task with my developer team.I look forward to your proposal...

25 $ USD en 1 jour
(1 Commentaire)
2.8
SoftIntelligence

Hi my name is Alex . I have 10 years experience C#.NET and dozens of completed projects. I I suggest use Parallel library for parse data in notepad file and then use API(https://core.telegram.org/) telegram add con Plus

25 $ USD en 10 jours
(1 Commentaire)
2.0
p0zzy

Hey, I have a lot of experience for working with telegram api/bot's, optimization and would like to suggest myself to realize that project via c# with perfect quality and working speef. Many thanks, Vlad.

50 $ USD en 5 jours
(1 Commentaire)
1.5
EmorphisIoT

Dear Hiring Manager, Thanks for looking at my proposal. Project Understanding:- You need to write a program that will read values from note pad and pass to telegram API for sending telegram. I can write scr Plus

111 $ USD en 1 jour
(2 Commentaires)
2.0
BestInfovision

Dear Client, I am Suraj “.NET Developer & Software Consultant” Portfolio https://www.freelancer.com/u/surajkushwaha.html General Portfolio https://in.linkedin.com/in/suraj-kushwaha-02004818 Why Me:- 1. Plus

88 $ USD en 2 jours
(0 Commentaires)
0.0
avpbrm

hi there, I am expert in api development and working with api. kindly start this with me. I can easily do this. thanks...

30 $ USD en 2 jours
(0 Commentaires)
0.0
mufees01

hi sir, I can do this project successfully. please come to chat.

15 $ USD en 2 jours
(0 Commentaires)
0.0
doncas

I have four years experience in C#, I'm new in freelancer, so I just want good start in this. Thank You if You choose me.

25 $ USD en 2 jours
(0 Commentaires)
0.0
zamiatinav

I am very interested in making a reputation, so I will work hard on giving you the great quality product. I will provide you with: -a working windows form application; -fixing all of the buggs if they occur.

40 $ USD en 2 jours
(0 Commentaires)
0.0
45 $ USD en 1 jour
(0 Commentaires)
0.0