Application Programming Interface Development Illustrations & Vectors

Browse through 40,137 application programming interface development illustrations & vectors or explore more landing page or web development vectors to complete your project with stunning visuals.

Workers building a mobile application interface and managing documentation vector illustration. Software engineering, app development, project management, workflow, productivity, organization. Application programming interface development vectors
Workers building a mobile application interface and managing documentation vector illustration. Software engineering, app development, project management, workflow, productivity, organization. Application programming interface development vectors
Web development landing page banner a computer monitor and user avatar for coding projects. Software engineering, programming, web design, digital interface, internet technology, frontend. Developer. Application programming interface development illustrations
Web development landing page banner a computer monitor and user avatar for coding projects. Software engineering, programming, web design, digital interface, internet technology, frontend. Developer. Application programming interface development illustrations
HTML text label on a web development landing page banner template. Programming, cloud computing, software engineering, web design, digital infrastructure, internet technology. Coding interface layout. Application programming interface development illustrations
HTML text label on a web development landing page banner template. Programming, cloud computing, software engineering, web design, digital infrastructure, internet technology. Coding interface layout. Application programming interface development illustrations
HTML text and cloud icon for web development landing page banner. Cloud computing, software engineering, programming, digital infrastructure, internet technology, data storage. Web coding interface. Application programming interface development vectors
HTML text and cloud icon for web development landing page banner. Cloud computing, software engineering, programming, digital infrastructure, internet technology, data storage. Web coding interface. Application programming interface development vectors
Digital interface development and family planning vector illustration. Web design, software engineering, parenting, financial growth, investment, user experience. Online platform creation. Application programming interface development vectors
Digital interface development and family planning vector illustration. Web design, software engineering, parenting, financial growth, investment, user experience. Online platform creation. Application programming interface development vectors
HTML text label with gear and sound wave icons for a web development landing page banner. Programming, software engineering, digital technology, coding, interface design, web optimization. Web. Application programming interface development vectors
HTML text label with gear and sound wave icons for a web development landing page banner. Programming, software engineering, digital technology, coding, interface design, web optimization. Web. Application programming interface development vectors
Smartphone device with mobile application interface vector illustration. Software development, startup launch, digital innovation, business growth, technology project, mobile marketing. Cellphone. Application programming interface development vectors
Smartphone device with mobile application interface vector illustration. Software development, startup launch, digital innovation, business growth, technology project, mobile marketing. Cellphone. Application programming interface development vectors
Black and white outline terminal command line interface icon representing programming, coding, software development, and computer console. Application programming interface development vectors
Black and white outline terminal command line interface icon representing programming, coding, software development, and computer console. Application programming interface development vectors
Workers building a mobile application interface and megaphone icon vector illustration. Software engineering, digital marketing, app development, technical support, business growth, promotion. Application programming interface development vectors
Workers building a mobile application interface and megaphone icon vector illustration. Software engineering, digital marketing, app development, technical support, business growth, promotion. Application programming interface development vectors
HTML web development landing page banner a speedometer gauge icon. Coding, software engineering, website design, internet technology, digital programming, frontend development. Markup language. Application programming interface development vectors
HTML web development landing page banner a speedometer gauge icon. Coding, software engineering, website design, internet technology, digital programming, frontend development. Markup language. Application programming interface development vectors
HTML coding and data analytics interface elements for a professional web landing page banner. Software development, programming, data visualization, web design, cloud computing, digital strategy. Web. Application programming interface development vectors
HTML coding and data analytics interface elements for a professional web landing page banner. Software development, programming, data visualization, web design, cloud computing, digital strategy. Web. Application programming interface development vectors
Workers assembling mobile application interface and gear components vector illustration. Software development, technical support, digital optimization, project management, system maintenance, coding. Application programming interface development illustrations
Workers assembling mobile application interface and gear components vector illustration. Software development, technical support, digital optimization, project management, system maintenance, coding. Application programming interface development illustrations
Software development, cloud computing, web coding, programming tools, technology workflow, backend processing. Code editor with gear and cloud symbols. Software development and cloud computing. Application programming interface development illustrations
Software development, cloud computing, web coding, programming tools, technology workflow, backend processing. Code editor with gear and cloud symbols. Software development and cloud computing. Application programming interface development illustrations
Digital interface elements and computer screens for a modern web design landing page banner. UI development, software programming, creative technology, website layout, coding, user experience. Web. Application programming interface development vectors
Digital interface elements and computer screens for a modern web design landing page banner. UI development, software programming, creative technology, website layout, coding, user experience. Web. Application programming interface development vectors
People working with mobile application interface and data charts vector illustration. Technology, software development, artificial intelligence, business analytics, digital marketing, innovation. Application programming interface development vectors
People working with mobile application interface and data charts vector illustration. Technology, software development, artificial intelligence, business analytics, digital marketing, innovation. Application programming interface development vectors
Minimalist vector icons for software development landing page banner. Technology, programming, data analysis, digital engineering, system configuration, web interface. Technical symbols for coding. Application programming interface development vectors
Minimalist vector icons for software development landing page banner. Technology, programming, data analysis, digital engineering, system configuration, web interface. Technical symbols for coding. Application programming interface development vectors
A comprehensive collection of black solid web development icons featuring programming languages, server racks, database storage, and coding tools for tech interfaces. Application programming interface development vectors
A comprehensive collection of black solid web development icons featuring programming languages, server racks, database storage, and coding tools for tech interfaces. Application programming interface development vectors
HTML text and brain icon vector illustration for a web development landing page banner. Coding, software engineering, website design, digital technology, programming language, internet. Web. Application programming interface development vectors
HTML text and brain icon vector illustration for a web development landing page banner. Coding, software engineering, website design, digital technology, programming language, internet. Web. Application programming interface development vectors
Science and technology vector illustration set atom symbol and digital interface elements for landing page banner. Research, development, innovation, programming, data, digital infrastructure. Application programming interface development vectors
Science and technology vector illustration set atom symbol and digital interface elements for landing page banner. Research, development, innovation, programming, data, digital infrastructure. Application programming interface development vectors
Person building a mobile application interface and worker filing a compensation claim vector illustration. Software development, insurance policy, digital design, financial claim, mobile UI, legal. Application programming interface development vectors
Person building a mobile application interface and worker filing a compensation claim vector illustration. Software development, insurance policy, digital design, financial claim, mobile UI, legal. Application programming interface development vectors
Various web development and user interface design elements vector illustration. Website layout, global network, air conditioning, pencil, digital tools, creative process. UI design components. Application programming interface development vectors
Various web development and user interface design elements vector illustration. Website layout, global network, air conditioning, pencil, digital tools, creative process. UI design components. Application programming interface development vectors
HTML text with game controller and computer monitors for a web development landing page banner. Coding, software engineering, digital design, gaming industry, web interface, technology. Web. Application programming interface development vectors
HTML text with game controller and computer monitors for a web development landing page banner. Coding, software engineering, digital design, gaming industry, web interface, technology. Web. Application programming interface development vectors
Workers building a mobile application interface with bitcoin assets vector illustration. Software engineering, digital finance, blockchain technology, crypto wallet, investment, mobile development. Application programming interface development vectors
Workers building a mobile application interface with bitcoin assets vector illustration. Software engineering, digital finance, blockchain technology, crypto wallet, investment, mobile development. Application programming interface development vectors
Website wireframe interface design landing page banner. Software development, user experience, prototyping, digital architecture, creative process, project planning. UI UX layout sketch. Application programming interface development vectors
Website wireframe interface design landing page banner. Software development, user experience, prototyping, digital architecture, creative process, project planning. UI UX layout sketch. Application programming interface development vectors
Digital tools, automation, programming, interface design, IT development, productivity. Keyboard, gear and rectangular elements in a flat design. Automation and programming concept. Application programming interface development vectors
Digital tools, automation, programming, interface design, IT development, productivity. Keyboard, gear and rectangular elements in a flat design. Automation and programming concept. Application programming interface development vectors
Computer monitor icons and web interface elements for a landing page banner. Technology, software development, user experience, digital design, web layout, programming. Desktop screen graphics. Application programming interface development vectors
Computer monitor icons and web interface elements for a landing page banner. Technology, software development, user experience, digital design, web layout, programming. Desktop screen graphics. Application programming interface development vectors
Web development icons HTML code gear settings and stop button for landing page banner. Programming, software engineering, digital interface, technical support, system control, web design. Coding. Application programming interface development vectors
Web development icons HTML code gear settings and stop button for landing page banner. Programming, software engineering, digital interface, technical support, system control, web design. Coding. Application programming interface development vectors
A person working on a laptop with mobile interface and gear icons for a landing page banner. Software development, digital marketing, technical support, user experience, programming, business. Application programming interface development vectors
A person working on a laptop with mobile interface and gear icons for a landing page banner. Software development, digital marketing, technical support, user experience, programming, business. Application programming interface development vectors
Web development interface showing online shopping elements for a landing page banner. Digital marketing, retail business, software engineering, user experience, web design, online store. E-commerce. Application programming interface development vectors
Web development interface showing online shopping elements for a landing page banner. Digital marketing, retail business, software engineering, user experience, web design, online store. E-commerce. Application programming interface development vectors
Web development icons with checkmark and code symbols for landing page banner. Software engineering, programming, cloud computing, digital solutions, website optimization, tech support. Coding. Application programming interface development illustrations
Web development icons with checkmark and code symbols for landing page banner. Software engineering, programming, cloud computing, digital solutions, website optimization, tech support. Coding. Application programming interface development illustrations
Mobile application interface with gear icon and person carrying digital coin vector illustration. Software engineering, financial technology, investment, startup, mobile development, crypto. Application programming interface development vectors
Mobile application interface with gear icon and person carrying digital coin vector illustration. Software engineering, financial technology, investment, startup, mobile development, crypto. Application programming interface development vectors
E-commerce, web development, logistics, digital tools, online shopping, coding. Smartphone interface, code symbol warehouse. E-commerce and web development focus on modern digital platforms. Application programming interface development vectors
E-commerce, web development, logistics, digital tools, online shopping, coding. Smartphone interface, code symbol warehouse. E-commerce and web development focus on modern digital platforms. Application programming interface development vectors
Workers building a mobile application interface vector illustration. Software development, project management, technical support, digital engineering, coding process, system maintenance. Developers. Application programming interface development vectors
Workers building a mobile application interface vector illustration. Software development, project management, technical support, digital engineering, coding process, system maintenance. Developers. Application programming interface development vectors
The image depicts a team of three individuals working collaboratively on a web development project. One person is standing on a ladder, pointing at a large screen displaying a website or application interface. Another team member is seated at a desk with a laptop, seemingly focused on coding or reviewing content. The third person is standing and also pointing at the screen, suggesting a discussion. Application programming interface development illustrations
The image depicts a team of three individuals working collaboratively on a web development project. One person is standing on a ladder, pointing at a large screen displaying a website or application interface. Another team member is seated at a desk with a laptop, seemingly focused on coding or reviewing content. The third person is standing and also pointing at the screen, suggesting a discussion. Application programming interface development illustrations
Cloud api system facilitating data exchange and software communication across various applications, depicting a digital interface for seamless network integration and computing connectivity. Application programming interface development illustrations
Cloud api system facilitating data exchange and software communication across various applications, depicting a digital interface for seamless network integration and computing connectivity. Application programming interface development illustrations
Minimalist programming code icon displayed on a clean web landing page banner. Software development, web engineering, digital coding, technical support, computer science, backend programming. Application programming interface development illustrations
Minimalist programming code icon displayed on a clean web landing page banner. Software development, web engineering, digital coding, technical support, computer science, backend programming. Application programming interface development illustrations
Web development HTML landing page banner set coding interface elements and user reviews. Programming, software engineering, web design, digital interface, user experience, feedback. Website layout. Application programming interface development vectors
Web development HTML landing page banner set coding interface elements and user reviews. Programming, software engineering, web design, digital interface, user experience, feedback. Website layout. Application programming interface development vectors
HTML text with geometric shape and map icons for a web development landing page banner. Programming, coding, software, internet, technology, navigation. Web design interface elements. Application programming interface development vectors
HTML text with geometric shape and map icons for a web development landing page banner. Programming, coding, software, internet, technology, navigation. Web design interface elements. Application programming interface development vectors
Laptop computer with web interface elements for a landing page banner. Software development, user experience, digital design, website layout, programming, online technology. Notebook screen. Application programming interface development vectors
Laptop computer with web interface elements for a landing page banner. Software development, user experience, digital design, website layout, programming, online technology. Notebook screen. Application programming interface development vectors
Computer monitors displaying website interface layouts and document icons for a landing page banner. Software development, user experience, web design, digital marketing, programming, interface. Application programming interface development vectors
Computer monitors displaying website interface layouts and document icons for a landing page banner. Software development, user experience, web design, digital marketing, programming, interface. Application programming interface development vectors
Software engineer coding HTML on a computer screen for a website landing page banner. Programming, web development, software engineering, digital technology, coding services, IT solutions. Developer. Application programming interface development vectors
Software engineer coding HTML on a computer screen for a website landing page banner. Programming, web development, software engineering, digital technology, coding services, IT solutions. Developer. Application programming interface development vectors
Robot coding on a smartphone screen with HTML code blocks for a web development landing page banner. Software engineering, artificial intelligence, automation, programming, digital technology, web. Application programming interface development vectors
Robot coding on a smartphone screen with HTML code blocks for a web development landing page banner. Software engineering, artificial intelligence, automation, programming, digital technology, web. Application programming interface development vectors
Responsive web design and software development landing page banner digital devices and flowcharts. Technology, programming, interface, connectivity, infrastructure, digital systems. Computer screens. Application programming interface development vectors
Responsive web design and software development landing page banner digital devices and flowcharts. Technology, programming, interface, connectivity, infrastructure, digital systems. Computer screens. Application programming interface development vectors
Web development landing page banner software engineers coding and computer monitors with html code. Programming, software engineering, web design, digital technology, teamwork, development. Application programming interface development vectors
Web development landing page banner software engineers coding and computer monitors with html code. Programming, software engineering, web design, digital technology, teamwork, development. Application programming interface development vectors
Collection of minimalist black software development and programming icons representing coding, cloud sync, artificial intelligence, responsive design, and analytics on white background. Application programming interface development vectors
Collection of minimalist black software development and programming icons representing coding, cloud sync, artificial intelligence, responsive design, and analytics on white background. Application programming interface development vectors
Set of black flat glyph icons representing software programming, web development, coding script, binary data, computer monitor, and internet technology concepts. Application programming interface development vectors
Set of black flat glyph icons representing software programming, web development, coding script, binary data, computer monitor, and internet technology concepts. Application programming interface development vectors
Minimalist black desktop monitor icon displaying lines of code on screen representing web development, software engineering, and computer programming interface. Application programming interface development vectors
Minimalist black desktop monitor icon displaying lines of code on screen representing web development, software engineering, and computer programming interface. Application programming interface development vectors
Innovation, technology, programming, web development, coding education, startups. Rocket icon, coding window and plus sign illustration. Innovation and technology in coding focus. Application programming interface development vectors
Innovation, technology, programming, web development, coding education, startups. Rocket icon, coding window and plus sign illustration. Innovation and technology in coding focus. Application programming interface development vectors
HTML web development landing page banner set coding interface and data charts. Software engineering, programming, digital technology, website creation, data analysis, frontend design. Computer code. Application programming interface development vectors
HTML web development landing page banner set coding interface and data charts. Software engineering, programming, digital technology, website creation, data analysis, frontend design. Computer code. Application programming interface development vectors
Web development landing page banner set HTML code text and abstract graphic elements. Programming, software engineering, digital technology, web design, internet, coding. Website interface layout. Application programming interface development vectors
Web development landing page banner set HTML code text and abstract graphic elements. Programming, software engineering, digital technology, web design, internet, coding. Website interface layout. Application programming interface development vectors
HTML coding web development landing page banner office chairs and cloud graphics. Software engineering, web design, digital infrastructure, cloud computing, programming, internet. Markup language. Application programming interface development vectors
HTML coding web development landing page banner office chairs and cloud graphics. Software engineering, web design, digital infrastructure, cloud computing, programming, internet. Markup language. Application programming interface development vectors
HTML code icon with oil bottle symbol displayed on a web landing page banner. Software development, coding, programming, web design, technology, digital infrastructure. Markup language graphic. Application programming interface development vectors
HTML code icon with oil bottle symbol displayed on a web landing page banner. Software development, coding, programming, web design, technology, digital infrastructure. Markup language graphic. Application programming interface development vectors
A developer interacts with a digital interface and global map for a landing page banner. Software engineering, logistics, global business, web development, data analysis, remote operations. Application programming interface development vectors
A developer interacts with a digital interface and global map for a landing page banner. Software engineering, logistics, global business, web development, data analysis, remote operations. Application programming interface development vectors
Five stars rating and HTML code icon for web development landing page banner. Programming, software engineering, website design, user feedback, digital interface, coding skills. Web development. Application programming interface development vectors
Five stars rating and HTML code icon for web development landing page banner. Programming, software engineering, website design, user feedback, digital interface, coding skills. Web development. Application programming interface development vectors
Application programming interface - api - concept showing software development and data exchange on a computer monitor, illustrating seamless system integration and communication. Application programming interface development vectors
Application programming interface - api - concept showing software development and data exchange on a computer monitor, illustrating seamless system integration and communication. Application programming interface development vectors
Flat vector illustration set web development symbols and laptop workspace for landing page banners. Software engineering, coding, digital technology, programming, internet, network. Computer. Application programming interface development vectors
Flat vector illustration set web development symbols and laptop workspace for landing page banners. Software engineering, coding, digital technology, programming, internet, network. Computer. Application programming interface development vectors
Developers building mobile application interface and AI technology vector illustration. Programming, software engineering, digital transformation, project management, automation, innovation. Coders. Application programming interface development vectors
Developers building mobile application interface and AI technology vector illustration. Programming, software engineering, digital transformation, project management, automation, innovation. Coders. Application programming interface development vectors
HTML web development performance landing page banner set checkmarks and speedometers. Coding, programming, website speed, optimization, software testing, digital interface. Markup language site. Application programming interface development vectors
HTML web development performance landing page banner set checkmarks and speedometers. Coding, programming, website speed, optimization, software testing, digital interface. Markup language site. Application programming interface development vectors
Mobile application interface with gear icon and circular arrows for landing page banner. Software development, process automation, system update, digital workflow, technical support, efficiency. Application programming interface development vectors
Mobile application interface with gear icon and circular arrows for landing page banner. Software development, process automation, system update, digital workflow, technical support, efficiency. Application programming interface development vectors
Cute robot character with programming code and website interface elements for a technology landing page banner. Automation, software development, artificial intelligence, web design, digital coding. Application programming interface development vectors
Cute robot character with programming code and website interface elements for a technology landing page banner. Automation, software development, artificial intelligence, web design, digital coding. Application programming interface development vectors
Chess pawn and flying insect icons with slider control for web landing page banner. Gaming, software, strategy, development, interface, user experience. Strategy piece and bug graphic. Application programming interface development vectors
Chess pawn and flying insect icons with slider control for web landing page banner. Gaming, software, strategy, development, interface, user experience. Strategy piece and bug graphic. Application programming interface development vectors
HTML coding development landing page banner a checklist and user icon. Web design, software engineering, programming education, digital learning, internet technology, site structure. Markup language. Application programming interface development vectors
HTML coding development landing page banner a checklist and user icon. Web design, software engineering, programming education, digital learning, internet technology, site structure. Markup language. Application programming interface development vectors
A person designing a mobile application and computer workstations vector illustration. Software development, user interface design, quality assurance, project management, digital workflow, testing. Application programming interface development vectors
A person designing a mobile application and computer workstations vector illustration. Software development, user interface design, quality assurance, project management, digital workflow, testing. Application programming interface development vectors
Coding symbol and user feedback rating scale vector illustration for a website landing page banner. Software development, customer satisfaction, user experience, programming, interface design. Application programming interface development vectors
Coding symbol and user feedback rating scale vector illustration for a website landing page banner. Software development, customer satisfaction, user experience, programming, interface design. Application programming interface development vectors
Businessman interacting with a glowing API interface hologram featuring a digital gear icon, connected data elements, and futuristic software integration visuals in a modern technology environment. The image represents application programming interface systems, software development, cloud computing, automation, digital transformation, and seamless data connectivity between platforms and applications. Blue neon lighting and abstract virtual dashboard elements create a high-tech atmosphere that symbolizes innovation, system integration, cybersecurity, and modern IT infrastructure. High-resolution horizontal format suitable for websites, technology blogs, SaaS platforms, presentations, fintech marketing, developer documentation, enterprise solutions, and educational content related to APIs, programming, artificial intelligence, and business technology. Ideal for illustrating concepts such as digital communication, software engineering, backend systems, workflow automation, smart applications, and connected digital ecosystems. Application programming interface development illustrations
Businessman interacting with a glowing API interface hologram featuring a digital gear icon, connected data elements, and futuristic software integration visuals in a modern technology environment. The image represents application programming interface systems, software development, cloud computing, automation, digital transformation, and seamless data connectivity between platforms and applications. Blue neon lighting and abstract virtual dashboard elements create a high-tech atmosphere that symbolizes innovation, system integration, cybersecurity, and modern IT infrastructure. High-resolution horizontal format suitable for websites, technology blogs, SaaS platforms, presentations, fintech marketing, developer documentation, enterprise solutions, and educational content related to APIs, programming, artificial intelligence, and business technology. Ideal for illustrating concepts such as digital communication, software engineering, backend systems, workflow automation, smart applications, and connected digital ecosystems. Application programming interface development illustrations
Businessman interacting with a glowing API interface hologram featuring a digital gear icon, connected data elements, and futuristic software integration visuals in a modern technology environment. The image represents application programming interface systems, software development, cloud computing, automation, digital transformation, and seamless data connectivity between platforms and applications. Blue neon lighting and abstract virtual dashboard elements create a high-tech atmosphere that symbolizes innovation, system integration, cybersecurity, and modern IT infrastructure. High-resolution horizontal format suitable for websites, technology blogs, SaaS platforms, presentations, fintech marketing, developer documentation, enterprise solutions, and educational content related to APIs, programming, artificial intelligence, and business technology. Ideal for illustrating concepts such as digital communication, software engineering, backend systems, workflow automation, smart applications, and connected digital ecosystems. Application programming interface development illustrations
Businessman interacting with a glowing API interface hologram featuring a digital gear icon, connected data elements, and futuristic software integration visuals in a modern technology environment. The image represents application programming interface systems, software development, cloud computing, automation, digital transformation, and seamless data connectivity between platforms and applications. Blue neon lighting and abstract virtual dashboard elements create a high-tech atmosphere that symbolizes innovation, system integration, cybersecurity, and modern IT infrastructure. High-resolution horizontal format suitable for websites, technology blogs, SaaS platforms, presentations, fintech marketing, developer documentation, enterprise solutions, and educational content related to APIs, programming, artificial intelligence, and business technology. Ideal for illustrating concepts such as digital communication, software engineering, backend systems, workflow automation, smart applications, and connected digital ecosystems. Application programming interface development illustrations
Computer monitor displaying web development interface and dollar coin icon for landing page banner. E-commerce, programming, digital finance, software engineering, online business, web design. Application programming interface development vectors
Computer monitor displaying web development interface and dollar coin icon for landing page banner. E-commerce, programming, digital finance, software engineering, online business, web design. Application programming interface development vectors
Set of web development icons HTML code, warning signs, and notification bells for landing page banners. Software development, error tracking, coding alerts, system updates, interface design, digital. Application programming interface development vectors
Set of web development icons HTML code, warning signs, and notification bells for landing page banners. Software development, error tracking, coding alerts, system updates, interface design, digital. Application programming interface development vectors
Flat vector illustration of a workspace with a laptop and calendar for a web development landing page banner. Coding, programming, software engineering, digital design, project management, internet. Application programming interface development vectors
Flat vector illustration of a workspace with a laptop and calendar for a web development landing page banner. Coding, programming, software engineering, digital design, project management, internet. Application programming interface development vectors
Web development rating and HTML coding icons for a modern landing page banner. Software engineering, programming skills, user feedback, digital interface, website optimization, tech project. Coding. Application programming interface development vectors
Web development rating and HTML coding icons for a modern landing page banner. Software engineering, programming skills, user feedback, digital interface, website optimization, tech project. Coding. Application programming interface development vectors
Isometric vector illustration of app creation. A mobile application development and programming web banner or tutorial template. Software engineering, UI UX design, and coding process concept. Application programming interface development vectors
Isometric vector illustration of app creation. A mobile application development and programming web banner or tutorial template. Software engineering, UI UX design, and coding process concept. Application programming interface development vectors
Web development landing page banner computer screens and a potted plant. Software engineering, programming, digital design, responsive layout, coding services, website creation. Developer interface. Application programming interface development vectors
Web development landing page banner computer screens and a potted plant. Software engineering, programming, digital design, responsive layout, coding services, website creation. Developer interface. Application programming interface development vectors