You've landed at the right place. oDesk is now Upwork. Learn about the new platform.

Api Development Jobs

243 were found based on your criteria


Job Type

show all

Client History

show all

Project length

show all

Hours per Week

show all

Hourly - Est. Time: More than 6 months, 30+ hrs/week - Posted
Hi! Thanks for checking out our post! We're trying to create a platform to crowdsource clinical research and accelerate the discovery of new treatments for rare diseases using Quantified Self data. QuantiModo has the power discovering hidden... more

Fixed-Price - Est. Budget: $ 25 Posted
Thank you for your interest in our post. Please bid on project or contact us to work out a proposal quote. -Thank you you can view our site live at We are in search of a web developer and designer with experience in Wordpress,... more

Fixed-Price - Est. Budget: $ 30 Posted
I need to connect to Open Calais API. I have a API key, but i can not get the API response from the server, it just returns a blank page. However, i tested the api key in the testing page, hence i think that my api key is ok. I... more
Skills: API Development

Fixed-Price - Est. Budget: $ 750 Posted
We a re looking to integrate our CRM (MSSQL based) with HubSpots Contacts API. We can provide either a .CSV file or read access to a temp table that stores new contacts/contact record updates. Service to run every 30mins. We would also like the... more

Hourly - Est. Time: Less than 1 month, 30+ hrs/week - Posted
Fun MVP project using firebase, ionic and Estimated duration 30-40 hours High level specs: Signup via social, SMS based phonenumber verification Invite code access barring dynamic form fields, will be filled out and content added to... more

Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
I need two jobs carried out for an automotive website built on Wordpress. Firstly - I need financial examples to be pulled through onto search pages in the same way that it happens here: Secondly, I need to be able to automatically... more

Hourly - Est. Time: Less than 1 week, Less than 10 hrs/week - Posted
If your an expert programmer in FACEBOOK Apps and you want to do a fun project, this is the perfect project for you. WE would like an app built in the next 2 days to allow anyone that uses the app to choose an overlay like the rainbow app that everyone... more

Hourly - Est. Time: More than 6 months, 10-30 hrs/week - Posted
We need an API guru. We have built a web app and we need to do at least 5 integrations per week. You will need to: - Know how to write plugins for popular web tools like wordpress, wix & weebly - Be able to understand documentation - Write unit... more

Fixed-Price - Est. Budget: $ 500 Posted
We are an internet marketing start-up and we’re passionate about creating a great user experience. You are a talented web developer with solid experience working from home. We are forming a remote dev team and you’ll be our first hire! You will be making... more