Softenant Technologies · Python backend development

FastAPI Training in Vizag

Build Python APIs that are clear to use, validate and test. Learn FastAPI, request models, authentication, database integration and deployment preparation at Softenant Technologies.

Review the course syllabus and project exercises, then enquire about current batch options in Visakhapatnam.

Python APIsPydantic validationOpenAPI documentationAPI testing

Design a dependable contract between applications

An API defines how one application asks another for information or an action. A useful endpoint needs more than a successful response: it should reject invalid input, protect private records and explain errors consistently. This FastAPI course follows those decisions from the first route to a documented backend project.

The focus is API development using Python type hints, request and response models, reusable dependencies and automated checks. You will practise reading an API specification, designing data boundaries and separating HTTP handling from application logic. The syllabus also introduces asynchronous work, with attention to choosing compatible libraries and avoiding blocking operations.

Who this course suits

Python learners, graduates and developers who want to build services for web clients, internal tools or data applications. This path is useful when your main interest is the API and the rules around its data.

What to know before starting

Be comfortable with Python functions, classes, dictionaries, exceptions and imports. Familiarity with HTTP requests, JSON and basic SQL helps. Type hints and API concepts are introduced in the syllabus.

Explore our Python training course if you need a programming foundation first.

Course curriculum

FastAPI course syllabus

Build your skills through twelve modules, connecting each concept to a practical application task.

MODULE 01

Python readiness and API setup

Review type hints, project environments and HTTP methods. Organise a small service, start a development server and trace how a client request reaches a route function.

MODULE 02

Routes and request parameters

Design resource paths, query options and request bodies. Practise required and optional inputs, useful defaults and clear parameter names with sample client requests.

MODULE 03

Pydantic models and validation

Describe structured input with models and field constraints. Check missing values, nested records and invalid formats, then interpret validation feedback before data reaches business logic.

MODULE 04

Responses, errors and OpenAPI

Define public response fields, status codes and error cases. Review the generated API documentation against actual behaviour and keep internal-only fields out of client responses.

MODULE 05

Dependencies and application structure

Reuse common logic through dependencies and split routes into routers. Separate configuration, data access and application rules so individual components can be checked independently.

MODULE 06

Databases and persistence

Connect an API to a relational database using a chosen Python database library. Practise record creation, lookup, updates and deletion, with session handling and transaction boundaries.

MODULE 07

Authentication and access control

Introduce bearer-token authentication, password hashing and user lookup. Apply ownership checks and distinguish identifying a caller from deciding what that caller may do.

MODULE 08

Async request handling

Compare synchronous and asynchronous route handlers. Use await with compatible I/O libraries, recognise blocking work and distinguish concurrency from parallel execution.

MODULE 09

External services and lifecycle

Call an external service with timeouts and handle unavailable dependencies. Manage startup and shutdown resources, and examine when a background task needs a separate job system.

MODULE 10

Testing API behaviour

Use a test client and isolated fixtures to check endpoints. Override dependencies in tests and cover invalid data, missing records, authentication failures and ownership restrictions.

MODULE 11

Configuration and deployment

Prepare environment settings, secret handling, logging and an ASGI server configuration. Review CORS requirements, health checks and the difference between development and production settings.

MODULE 12

API capstone and documentation

Combine routes, validation, persistence, access checks and tests into one service. Prepare a README, sample requests and a walkthrough that explains the API's decisions and limitations.

FastAPI project exercises

These illustrative project briefs show how the syllabus can be applied. Use fictional records and test accounts during practice.

Personal task API

Create tasks with owners, due dates and status values. Validate updates and filter a user's task list. Test that one account cannot edit another account's tasks.

Product catalogue service

Expose searchable products with pagination and controlled update access. Define separate input and output fields. Test missing IDs, invalid prices and unsupported filter values.

Service status aggregator

Combine responses from fictional or mocked services into one status endpoint. Set timeouts, report partial failures and use test doubles so checks do not depend on live third parties.

What to include in a finished project

  • An endpoint list describing inputs, outputs and possible errors.
  • A model of stored records and the access rules for each operation.
  • Tests for invalid requests and unauthorized actions, with reproducible setup instructions.
  • A sample API client collection, a configuration example without secrets and a short project demonstration.

Practise explaining what a dependency provides, why a response model differs from a database record, and when an async handler is appropriate. Use a concrete failing request or test to demonstrate your debugging process.

FastAPI or Python Full Stack: choose your learning path

Choose FastAPI for API-focused development

Concentrate on typed request handling, validation, authentication, service integration and API testing. This course is centred on backend services and their client-facing contracts.

Choose Python Full Stack for a broader web development path

Build frontend skills alongside a broader Python web development path. Softenant's Python Full Stack course covers HTML, CSS, JavaScript, React, SQL, Python and Django.

If your goal includes building user interfaces as well as backend applications, explore our Python Full Stack Development course in Vizag for the wider frontend-to-backend learning path.

Frequently asked questions

Do I need Python knowledge before learning FastAPI?

Basic Python knowledge is recommended, including functions, classes, dictionaries and exceptions. The syllabus introduces type hints, HTTP and API design concepts.

Does FastAPI training cover database integration?

Yes. The syllabus covers relational database integration, record operations, sessions and transaction boundaries using a chosen Python database library.

Will I learn async and await?

Yes. The course introduces synchronous and asynchronous handlers, compatible I/O libraries and blocking-work pitfalls. Async code is not automatically faster for every task.

How is this different from Python Full Stack training?

FastAPI training concentrates on Python API services. Python Full Stack training provides a broader web application path with frontend technologies, React, SQL, Python and Django.

How can I get FastAPI course fees and batch details?

Contact Softenant Technologies on +91 9393969628 or use the website enquiry page for current FastAPI course fees, timings and availability.

Enquire about FastAPI training in Visakhapatnam

Tell us about your Python experience and the application you want to build. Contact our team to discuss the syllabus, current course fees and batch availability.

Softenant Technologies
Flat No: 101, Geetha Mansion, II, Jn, opp. Andhra Bank, Akkayyapalem, Visakhapatnam, Andhra Pradesh 530016

Email: info@softenant.com

Prepare for your FastAPI learning

For a framework with integrated models, administration and authentication workflows, you can also explore Django training in Vizag.