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Simple Bitstamp API integration - Reposted

We are a fintech company that runs a cryptocurrency hedge fund and are developing an exchange.

We are sub-contracting out small trader tools like this project that are independent of our main project.

We need a web app written in PhP that:

1. Calls Bitstamp's [A cryptocurrency exchange] REST API to check bid and ask prices.

2. Either an instant order [If the price difference between bid and ask prices < USD10] or a limit order is placed via the API based on the prices. Limit order will be priced at the mid point between bid and ask prices [bid + ([bid - ask]/2)]

3. If a limit order is placed, a timer is set to check if it executes.

4. If it hasn't executed, check if the bid price has gone above it or if the ask price as gone below it. If either one happens, cancel the order and make a new one.

2. If executed, check the balance and withdraw the purchased cryptocurrency to a wallet address of our choosing if balance is enough.

Attached is a simple flowchart of how it should work and the interface.

It is meant to be simple as it only involves placing either an instant or limit order to buy and then withdrawing it after the order has been executed. No other types of orders like sell orders.

Evner: Bitcoin, MySQL, PHP, Software Arkitektur

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Om arbejdsgiveren:
( 0 bedømmelser ) Georgetown, Malaysia

Projekt ID: #17215629

30 freelancere byder i gennemsnit $546 på dette job

posspooja

HI there i have review your project and i understand you want to integrate Bitsamp api in your crypto website. I am an PHP Developer with more than 7 years of experience and shall get this done in about 10 days' Flere

$777 USD in 12 dage
(148 bedømmelser)
7.7
shinemonkey212

4 years experience in Blockchain & Cryptocurrency technology. Forking experience in Bitcoin, Ethereum, Dash, Ripple, PIVX, etc.. == Developed Coins: [login to view URL] [login to view URL] [login to view URL] http Flere

$500 USD in 10 dage
(105 bedømmelser)
7.3
darshring

Nice Project! Our team provide perfect centralized&decentralized cryptocurrency exchange platforms. We have more than 5 years of experience in Cryptocurrency and we have ever built many CEX/DEX platforms https://b Flere

$555 USD in 10 dage
(35 bedømmelser)
6.9
virals2583

Hello, I am sure I could help you to implement such API, develop web application as per your need with quality assurance. I do not find any flow chart or API documentation here so request you to send it in personal Flere

$1000 USD in 15 dage
(49 bedømmelser)
7.0
$750 USD in 12 dage
(274 bedømmelser)
7.6
espsofttech

Hi, I have gone through your project description and I can integrate Bitstamp API as mentioned in job description. I am a professional in website development using PHP framework(CI,Cake,Laravel,Zend,) MySQL,Ht Flere

$750 USD in 10 dage
(132 bedømmelser)
7.4
abstractsoftweb

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$250 USD in 10 dage
(108 bedømmelser)
7.1
rajneeshsaini

Hello, Hope you are Hale & Healthy. I am highly interested to work on this project as I have great experience working over different-2 API integration to websites based on client needs. I am a PHP expert and h Flere

$555 USD in 10 dage
(37 bedømmelser)
6.3
JinNg

Hi, My name is Jin. Let's talk about your project. 1. You require a simple trader buy tool with preloaded list of crypto and list of wallet to choose from. 2. Once a buy order has been placed, the app will go Flere

$450 USD in 5 dage
(33 bedømmelser)
6.5
Lavlu

Hello Sir, I have analyze your project requirements and do it easily, according to your requirements. You can check my portfolio: [login to view URL] I have experienced in PHP and API integration and worked on many pr Flere

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(30 bedømmelser)
6.8
sarbjeet911

I am a Degree holder as Bachelor in Computer Application completed in 2006, then started freelancing on [login to view URL] & from 2007 using freelancer.com - did several type of projects related software installation, ser Flere

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6.2
$555 USD in 10 dage
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5.1
humrobo

Hi Hope you doing well. I read your job description and understand that you are looking for Bitcoin, Cryptocurrency expert. I have total 7 years of experience total 3 years in blockchain, meanstack, crypto cur Flere

$555 USD in 10 dage
(31 bedømmelser)
5.7
KGeorgy

Hello I am pleasure with your Simple Bitstamp API integration - Reposted. Thanks for your job posting. I have throughout this description and think it's good fit for my skill-sets. As a senior expert on this job ,y Flere

$555 USD in 10 dage
(27 bedømmelser)
5.0
t0x1c3500

Hello ... i have previously developed a complete crypto currency project and i know what you nred ( you can check my portfolio as well as the client review ) Please feel free to contact me Thank you Relevant Skills a Flere

$500 USD in 10 dage
(7 bedømmelser)
4.7
businesstogether

Greetings, I hope you are doing good. I am Allie from Australia. I am skilled in Web Development, App, IOS, iPhone, IPAD Development for past 7 years. I am skilled includes in HTML5, CSS, CSS3 & LESS, JS ( Angula Flere

$500 USD in 10 dage
(5 bedømmelser)
4.4
redincorpindia

Dear client I saw your requirements regarding the auto trading application development for bitstamp via API. I can develop this application within a day maximum based on your requirements. I developed many applicatio Flere

$400 USD på 1 dag
(16 bedømmelser)
4.5
mandavcon

Hi I have more than 5 years of hand on experience in web development using PHP and MySql I have expertise in following technologies and tools: HTML CSS Bootstrap Anguarjs Jquery PHP My Sql Wordpress c Flere

$555 USD in 10 dage
(5 bedømmelser)
4.6
iweblane

Hello... We are iWeblane Software, We have read your project description and can see the requirements. We can do Simple Bitstamp API integration, Please come on FL chat so that we can discuss it more. Our team ha Flere

$250 USD in 8 dage
(23 bedømmelser)
4.5
FiveExceptions

Hello, According to your project post that I will be creating web app written in PhP that: 1. Calls Bitstamp's [A cryptocurrency exchange] REST API to check bid and ask prices. 2. Either an instant order [If t Flere

$750 USD in 20 dage
(5 bedømmelser)
4.5