API Development Jobs

6 were found based on your criteria

  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    Have you ever used the Docusign API with ColdFusion? Do you have code working that connects to the API and sends out a letter for signature? If so I'd like to see this code working and buy it off of you. Please only accept this job if you have worked with Docusign before.
  • Hourly – Less than 1 week – Less than 10 hrs/week – Posted
    I need to create a popup form on my website (someone, enter's their name creates a user and password and picks their plan. If there is anyone who specializes in API please let me know, because I have another job that requires both stripe and another platform with one another.
  • Fixed-Price – Est. Budget: $1,000.00 Posted
    We are looking for a developer who has the skills and experience to deal with TCP/IP and UDP connections received from a GPS tracking devices. Specifications: 1) Technology: We want to be able to run this under Linux server. If this is not possible then we want suggestion from the developer about any technology which needed to run this. 2) Main Structure: The server will consist of 3 parts: a) TCP/IP and UDP connections monitor. will call this ...
  • Fixed-Price – Est. Budget: $650.00 Posted
    Hello Developers We are looking for expert backend developer for mobile application We also want paypal payment integration in our site for payment purpose Please answer this question while applying 1 For how many apps you have created backend ? please share link along with answer 2. have you ever integrated paypal payment in site? if yes then please paste link of that site and if not then let us know will you be able to do that? 3 last question ...
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