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API Development Job Cost Overview

Typical total cost of Upwork API Development projects based on completed and fixed-price jobs.

Upwork API Development Jobs Completed Quarterly

On average, 307 API Development projects are completed every quarter on Upwork.


Time to Complete Upwork API Development Jobs

Time needed to complete a API Development project on Upwork.

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API Development Upwork freelancers typically receive a client rating of 4.64.

Last updated: October 1, 2015
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Raj Bose

Raj Bose

Sr. LAMP Stack Developer with API Integration

India - Tests: 2 - Portfolio: 1

I have 5 years of experience in developing software systems on top of LAMP stack with API Integration and advanced jQuery Proficient in REST APIs, XML/JSON based API integration. Acquaint with SVN/GitHub for version control.

$10.00 /hr
3,091 hours

William Hong

William Hong

On-demand Web Data Extractor,Web Bot,Data Extraction

China - Tests: 1 - Portfolio: 2

We provide Web data extraction service and products. It takes unstructured data from web html pages and converting it into structured records. The database format could be Excel, CSV, Access, MSSQL, and MySQL. Our leading Web screen scrapping service obtain any contents from any website pages,APIs,RSS under your instruction and send result directly to you in format you require. Or develop web crawlers for you based on our leading web data mining technology and our robust application code base in several days. Web2DB on-demand Data Extractors : Price Grabbers, Craigslist Crawlers,Yellowpage Data extractor,Google Data Extractor,Youtube Data Extractor,Ebay Data Extractor, Business Directory Data Extractor,Daily Deal Aggregator, Whois extractor,Web forum post/populate bot etc.

100% Job Success
$16.67 /hr
5,973 hours

Wallace Ferreira

Wallace Ferreira

Software Analyst/Developer

Brazil - Tests: 10 - Portfolio: 2

Hello, my name is Wallace. I've been working with software development for over 9 years. I acquired a lot of experience developing applications using Visual Basic, C/C++, PHP and Java. My expertise is analyzing and developing Desktop and Web Applications such as: + Crawlers/Web Crawlers - Collecting and storing data from sites, documents, videos, photos, social media sites, classified ads sites, etc. + Web Data Scrappers - Extracting, parsing, filtering and storing relevant data from web pages to readable and manageable formats like Excel, CSV, HTML, etc. + Bots and Automation scripts - Extracting and making business decisions out of data from documents like PDFs, Excel, CSV, XML, TXT, etc. - Sending email reports automatically - Auto filling forms - Price comparison apps - Event notifiers + Data conversion/transformation - Transforming/Converting data between formats for import/export in different applications. - Feed generation - Report construction + API development/integration - Adding support for third parts services - Creating interfaces for communication between systems. I have developed dozens of applications for a wide range of application domains including: - E-Commerce sites (like,,, etc) - Financial market - Market research groups - Medical related groups - Shipping companies - And several other personal applications. Some formats I have expertise in are: - JSON - XML - SQL - CSV - PDF - TXT - HTML - XSL - XSLX - And others Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. Since 2009, I have been working for a company that develops software for the financial market - EconoInfo ( In 2012, I graduated in Computer Science at the Pontifical Catholic University of Minas Gerais - PUC Minas. Over the past four years, I specialized in Java development, especially Java EE 6.0, focusing on technologies EJB, JPA, JSF, JMS and JCR. Acting as an analyst and developer, I gained experience with modeling relational databases and SQL, with a focus on MySQL DBMS. As a developer in charge of creating the EconoInfo website's interface, I also specialized in Servlets, HTML, JavaScript and CSS.

98% Job Success
$27.78 /hr
1,029 hours

Daniel Z.

Daniel Z.

Highly skilled API integrator, PHP (ZF) Coder and Project Manager

Poland - Tests: 7 - Portfolio: 6

Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

100% Job Success
$35.00 /hr
1,926 hours

Justin F.

Justin F.

PHP Developer

Philippines - Tests: 1 - Portfolio: 7

For 3 years, I developed websites using HTML, CSS (Twitter Bootstrap), Javascript (jQuery), PHP (CodeIgniter and Laravel Frameworks) and MySQL. My expertise lies on strong communication skills, great foundation in programming and the ability to manage, adopt and learn fast for benefit of the new website development project. So I'm looking forward for more opportunities to build websites for you or your business. Other skill set are: AJAX, OOP, Api Integration, AngularJs

100% Job Success
$14.44 /hr
2,810 hours

Alexander Kozlov

Alexander Kozlov

Top level professional Architect and SW engineer

Russia - Tests: 21 - Portfolio: 5

Make things done! I'm a professional C/C++ developer with more than 12 years of experience. I have been working both for a companies from Fortune 500 list, and a small local companies. My core competency lies in the world of mobile applications, SaaS and PaaS, desktop software and games development. I love to do my work right and really enjoy being respected for the things i do.

96% Job Success
$55.56 /hr
1,772 hours

Sugandha Ralhan

Sugandha Ralhan

Senior .Net/Java developer and Software Testing Lead

India - Tests: 2 - Portfolio: 2

I am a 10 year experienced developer(.Net,Java/J2EE). Have very good hand in .Net,Java technologies - ASP .Net, MVC, Web API, SQL Server, Desktop applications,jsp,Sprints,Struts etc. Have worked in Infosys for 1 year and then worked as Team Lead /Manager for a Team of 14 resources.

92% Job Success
$22.22 /hr
1,769 hours

Ignat B

Ignat B

Senior Web Developer

Ukraine - Tests: 6 - Portfolio: 5

Hello, I'm qualified web-developer. Mostly designing a custom front-end and back-end applications. Have a wide experience of business logic and specifications preparation, complex database designing, project management. I am comfortable working with people of all personality types and job positions. I maintain high code and communication standards and pride myself on being a reliable hard-worker that provides qualitative service. My professional skills include: - PHP, JavaScript, AJAX, *SQL, jQuery, XML, HTML, CSS. - WordPress expert-level (complex plugins, back-end, front-end), other CMS - Sales-platform solutions. - Mobile development. - Database designing. - API development. - Social network integration and development. - Payment systems.

74% Job Success
$18.00 /hr
2,555 hours

Harwinder S.

Harwinder S.

PHP Specialist

India - Tests: 4 - Portfolio: 3

I have over 4 years of extensive experience with PHP, MYSQL. I have developed a series of web applications/solutions for the global clients. I worked in all stages of application development starting with the design phase, through development, testing and implementation. I have experties in designing and developing Real estate, Crowdfunding, Booking websites. Core Skills: • Programming Language: PHP, JavaScript, JQuery 1. Web Designing: CSS3, HTML5 and AJAX 2. Framework: Zend, CI, CakePHP, Yii, Laravel 3. Creating complex back-end management systems including content management, e-commerce and communication interfaces. I'm ready anytime and available to work full time(40+hours per a week). I can provide highly quality and fast solution. Best Regards.

$12.00 /hr
1,036 hours