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Simple Bitstamp API integration

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.

Beceriler: Bitcoin, MySQL, PHP, Yazılım Mimarisi

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İşveren Hakkında:
( 0 değerlendirme ) Georgetown, Malaysia

Proje NO: #17161742

Bu iş için 17 freelancer ortalamada RM2085 teklif veriyor

graphicaa

To develop php web application (Synergy trading tool) with the following features: 1. To implement bitstamp api to check bid and ask prices or cryptocurrencies 2. Order placement via the api to be placed using th Daha Fazla

in %bids___i_period_sub_35% gün içinde3333%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(540 Değerlendirme)
8.8
rajneeshsaini

Dear Hiring Manager, Hope you are doing great!! --You’ll get all the expected stuff like a great professional service and a fast turn around, at a bit less, and I get a bit more exposure. I have read you de Daha Fazla

in %bids___i_period_sub_35% gün içinde2468%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(33 Değerlendirme)
7.1
bestit4u

[login to view URL] I am very interested in your project, because I have much experience in such projects. I have good skills with the program language including C/C++, C#, java, php, asp.net, python, VB.NET. So I have expert an Daha Fazla

in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(84 Değerlendirme)
6.8
ArkssTech

Hello , It’s great to meet you. I’m Priyanka Saxena,co-owner of Arkss Technologies Private Limited. We develop: slogan/catchphrases , Graphic banners ,kickass, cutting-edge software for web applications, mo Daha Fazla

in %bids___i_period_sub_35% gün içinde1777%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(21 Değerlendirme)
6.2
ITCristRo

Hi,we're all senior software developers,we've just checked your project requirements,we're able to perform your project and you'll be interesting with us,please come in contact with us to discuss for more project detai Daha Fazla

in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(13 Değerlendirme)
6.2
beautiXiao

hi,dear. We understand your requirements and I am very interested in this job - 'Simple Bitstamp API integration'. We are senior software developers and I am able to perform this task with my developers team. Bitcoin Daha Fazla

in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(20 Değerlendirme)
6.0
amitbanerjee2812

Dear Hiring Manager, I read your job description and I am confident that I can exceed your expectations as you need Bitstamp API integration, a web app written in PHP with your mentioned requirements in the job d Daha Fazla

in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(22 Değerlendirme)
5.1
redincorpindia

Dear client I saw your requirements regarding the bitstamp API integration for buy order based on bid and ask rate development. I can develop this application within a day maximum based on your requirements. I develo Daha Fazla

1 gün içinde %bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% MYR
(13 Değerlendirme)
4.4
vbizsolutionss

Hi, Greetings!!! I have read your requirement I am having 7+ years work experience in Wordpress and other CMS and Framework. I can learn anything within very short periods of time. WE HAVE MANY READY SOFTWARES Daha Fazla

in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(25 Değerlendirme)
4.6
steponwebstudio1

Hello, I read your requirement and it seems you need end-to-end service for API Integration in PHP. We are a team of professionals and can support you with all required skills and infrastructure. We also have experi Daha Fazla

in %bids___i_period_sub_35% gün içinde2222%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(19 Değerlendirme)
4.3
iwebphpdeveloper

Hello, Greetings! We have an established IT Company with experience of more than 10 years. We have been working for clients globally, across 37 cities and 7 [login to view URL] the team of expert developers, designers, a Daha Fazla

in %bids___i_period_sub_35% gün içinde2333%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(8 Değerlendirme)
3.3
bandiachorwadi

hi thank for your project I have more than 4+ years of experienced in crypto currencies and i m doing trading in most popular exchange and trading site like poloniex, yobit, livecoin, binance etc. I have must good exp Daha Fazla

in %bids___i_period_sub_35% gün içinde2000%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(5 Değerlendirme)
2.4
ysun0815

Hi I am a full experienced web developer. In particular, I am proficient in cryptocurrency-based website design and development. I have enough knowledge about blockchain & ICO and have developed many of crypto tra Daha Fazla

in %bids___i_period_sub_35% gün içinde5000%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(2 Değerlendirme)
2.4
in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(2 Değerlendirme)
2.0
bapixyrs

Dear Client, In my 8+ years as a full stack developer, I have successfully delivered numerous web solutions to my clients. I am confident I can do this project for you. I also have experience with crypto currenci Daha Fazla

in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(2 Değerlendirme)
0.4
BlockchainWorld

Hello , I am a Certified Web Application Developer with 10+ years of experience in programming , Bitcoin, MySQL, PHP, Software Architecture and Application development . I have reviewed your project description a Daha Fazla

in %bids___i_period_sub_35% gün içinde825%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(0 Değerlendirme)
0.0
ITB2017

Hi , It’s great to meet you. I’m Ian Bambrick, co-owner of Cuboid Technologies Private Limited. We develop: kickass, cutting-edge software for web applications, mobile apps, Blockchain, Cryptocurrency, Trad Daha Fazla

in %bids___i_period_sub_35% gün içinde1833%project_currencyDetails_sign_sub_37% %project_currencyDetails_code_sub_38%
(0 Değerlendirme)
0.0