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Practical guide

Documentation generation

Automatic generation of API documentation via Swagger and Redoc: interactive specifications, sample requests and convenience for developers.
Expert Stanislav Anisimov

Quality documentation is important to make APIs easy to understand, implement, and maintain. We set up automatic generation of documentation based on OpenAPI specifications using Swagger UI and Redoc, two of the most popular API visualization tools.

This allows you to provide developers with an interactive interface where you can learn the structure of methods, test queries, and quickly connect to your API.

What is included in the documentation

Section Description
Endpoints and Methods Full list of routes, HTTP methods, parameters, headers
Sample Requests/Responses Scripts for curl, Postman, JavaScript, Python and other languages
Authorization Support for JWT, OAuth2, API Key directly from the interface
Facility diagrams Description of models, nested structures, and data requirements
Error codes All possible statuses with explanations

The tools we use

Swagger UI - interactive documentation in the browser, with the ability to test

Redoc is a readable, static interface ideal for publishing on the site

OpenAPI 3. 0/3. 1-The BOM format on which everything is based

Auto-generation from code - annotations, descriptions, versions and documentation updates automatically

Export to JSON/YAML/HTML

Benefits for team and partners

Accelerating onboarding of new developers

Reduce integration errors

Always up-to-date, code-synchronized documentation

Quick start to integration without technical support

Easy publication of documentation on public or private portals

Where especially important

Open APIs for external developers

Internal APIs with active development

Platforms with B2B integrations and SDKs

Services with requirements for regulations and validation of schemes


Swagger and Redoc are the next generation API documentation standard. We will set up the generation, update and publication of documentation so that any developer can start integrating with your API in a matter of minutes.