JSON, AJAX and REST APIs

Integrate browser and server applications through structured JSON, HTTP contracts, asynchronous requests, and resilient error handling.

Level
intermediate
Duration
40 hours
Access
free
Languages
English

Price and billing

Price
Free
Billing basis
Not applicable

Learning outcomes

  • Represent, validate, serialize, and parse application data without losing meaning.
  • Design a predictable resource contract using HTTP methods, status codes, and representations.
  • Send requests, inspect responses, and update the interface from remote data.
  • Coordinate asynchronous work with explicit sequencing, concurrency, and failure handling.
  • Implement create, read, update, and delete workflows with consistent client state.
  • Handle untrusted data, authentication boundaries, rate limits, and recoverable failures safely.
  • Verify API consumers and producers with deterministic fixtures and contract evidence.
  • Deliver an end-to-end API-backed workflow with security, observability, and recovery behavior.

Requirements

Prior knowledge
Basic programming experience is recommended.
Devices
A computer with a modern web browser is recommended for practical work.
Software
A modern browser with JavaScript enabled; coding tools run inside the course.
Equipment
No additional physical equipment is required unless a course activity explicitly states otherwise.
Connectivity
Internet access is required to load course content, save progress, and submit work.
  • A modern browser and reliable internet connection
  • Time for four to six hours of practice per week
  • Completion of each server-scored unit assessment in order

Curriculum

8 units

Assessments and completion

Each of the eight units includes a server-scored assessment. Learners must score at least 70% to pass a unit; up to three attempts are allowed per assessment.

Access period

Duration
No fixed expiry
Access starts
Enrollment

Certificate

Offer
No certificate is currently offered.
Issuer
Not applicable.
Fee policy
No certificate
Verification
Not advertised.

Policies

Open the interactive course page