api

Application Programming Interface

API | Wikipedia

Styles

• The old-fashioned: RPC
• Modern approach: RESTful

Standards

• OpenAPI Specification
• Stoplight API Stylebook - This style guide somehow prefers snake case for query params and path params?
• GitLab API Style Guide
• Google APIs Design Guide
• Microsoft
  • Graph REST API Guidelines
  • Azure REST API Guidelines, recommends camelCase for query params.
• Atlassian REST API Design Guidelines version 1