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

Api Development Jobs

253 were found based on your criteria {{ paging.total | number:0 }} were found based on your criteria

show all
  • Hourly ({{ jobTypeController.getFacetCount("hourly") | number:0}})
  • Fixed Price ({{ jobTypeController.getFacetCount("fixed") | number:0}})
show all
only
only
only
show all
only
only
only
only
only
show all
only
only
only
Looking for the Team App?
Download the New Upwork Team App
Fixed-Price - Expert ($$$) - Est. Budget: $500 - Posted
I need a programmer who can connect through the API/Coding/HTTP post my web form (formstack) submissions to send directly into my CRM (Lead exec by Click Point Software). After a consumer fills out a form on my wordpress website through my formstack forms I want this information to go into my CRM (Lead exec by Click Point Software). I dont mind how you make the connection (API/HTTP Post etc).
Skills: API Development AJAX CRM Java
Hourly - Expert ($$$) - Est. Time: More than 6 months, 30+ hrs/week - Posted
If all or most of the job posting title got your attention... then we need to talk! I am looking for someone LONG TERM to be my "right hand man/woman" and take some of the weight off my shoulders. I have been in business for over 19 years and I can't find anyone reliable and loyal enough to replace me. Only bid if you're fun, like working with a team, and can work FAST and learn new things SUPER fast. Please when messaging me tell me your experience with Clickfunnels, Ontraport, JVZoo, etc.
Skills: API Development CSS CSS3 HTML
Fixed-Price - Intermediate ($$) - Est. Budget: $300 - Posted
Hello, I'm looking dev for my incoming CSGO Coin Flip and Jackpot site! Need: - NodeJS trade bot (bypass the new tradehold system (Escrow) ) - MySQL What i have: - Web design - Chat - Admin Panel (Need change for the coinflip etc) - Chat - Jackpot script (Player deposit skin and go into pot) What need to change: - Jackpot need change to like, you deposit credits not skins - MySQL - Admin Panel - Bot How it will work: Coin Flip: Player deposit skin(s) and get the skin price and the money will be added to his "bank" in site and he can create or join game. And the winner of the game would be show like, coin will flip with the 2 players Steam picture and will land to winner picture. And to withdraw there would be "Market" page where he can withdraw skins what he want. Jackpot: Player select he value what he wants to place into that pot, when you highest value you have highest chance to win I will give more info when you contact me or i contact you!
Skills: API Development CSS CSS3 HTML
Fixed-Price - Expert ($$$) - Est. Budget: $3,000 - Posted
An app that is designed so that people can communicate prayer requests and other types of messages for encouragement to other Christians. The app has push notifications on updates and allows in-app user feedback. Standard social components of being able to follow other users. System Admin tools and feature admin tools. And more. See attached document outline for details. Possibility for multiple updates based on quality of work.
  • Number of freelancers needed: 2
Skills: API Development Apple Xcode Java Mobile App Development
Fixed-Price - Intermediate ($$) - Est. Budget: $600 - Posted
Have you had experience in a QuickBooks Desktop integration using web connector? https://developer.intuit.com/docs/0250_qb/0010_get_oriented/0080_quickbooks_web_connector Programming languages needed: https://developer.intuit.com/docs/0250_qb/0010_get_oriented/0020_programming_skills Synchronize invoices, customers and payments with web app.
Skills: API Development C# VB.NET
Fixed-Price - Intermediate ($$) - Est. Budget: $1,500 - Posted
Need Odoo v9 Community installed and configured on my VPS. Additional Modules Needed and configured Bank account imports Bank statement imports check printing with configured print format for our checks Payment gateway configured (credit card and ach. We have the api's necessary) VOIP online quotes magento connector
Skills: API Development Linux System Administration Magento Odoo
Looking for the Team App?
Download the New Upwork Team App
Fixed Price Budget - ${{ job.amount.amount | number:0 }} to ${{ job.maxAmount.amount | number:0 }} Fixed-Price - Est. Budget: ${{ job.amount.amount | number:0 }} Open to Suggestion Hourly - Est. Time: {{ [job.duration, job.engagement].join(', ') }} - Posted
Skills: {{ skill.prettyName }}
Looking for the Team App?
Download the New Upwork Team App