019 min
Request & response
Understand the conversation behind an API call
MINI BUILDSketch a request/response pair for reading one order.
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🔌 INTEGRATION LAB
APIs & JSON, taught through useful outcomes.
Learn how applications exchange structured data, handle failure and safely integrate external services.
10 guided lessons≈ 118 guided minutesLearn → Try → Test → Build✓ Full journey + boss live
GUIDED ROADMAP
One concept at a time. One useful build each time.
Lessons unlock in order so the next step stays obvious. Completed lessons remain available for review, and the boss project unlocks only after the full journey.
YOUR GUIDED JOURNEYRestoring saved progress…
0210 min
HTTP methods
Express the kind of operation you intend
MINI BUILDDesign method/path pairs for a tiny tasks API.
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0310 min
JSON shapes
Read structured data without guessing
MINI BUILDModel a customer with nested address and an array of tags as valid JSON.
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0411 min
Status codes
Handle success and failure as product behaviour
MINI BUILDCreate a small status-handling table for create, validation failure, unauthenticated and missing resource cases.
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0512 min
Headers & authentication
Carry metadata and credentials deliberately
MINI BUILDDesign a safe request outline showing auth and content negotiation without embedding a real secret.
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0611 min
Query parameters & pagination
Request the right slice instead of everything
MINI BUILDDesign a paginated product-list request with filter, sort and limit.
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0713 min
Fetch & errors
Treat network and HTTP failure separately
MINI BUILDBuild a robust read helper with loading, HTTP failure and parse-success paths.
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0813 min
Validate external data
Do not confuse received JSON with trusted data
MINI BUILDWrite a small validator for a profile response and test one valid and one invalid example mentally.
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0914 min
Rate limits & retries
Be polite, bounded and idempotent
MINI BUILDCreate a retry policy for a read endpoint and explain why a payment/create endpoint needs stronger safeguards.
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1015 min
Design an integration
Combine contract, errors, validation and user states
MINI BUILDDesign a complete small integration for listing and creating tasks, including validation and failure states.
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FINAL BOSS
Checking your lesson progress…Resilient Tasks Integration Boss
Combine HTTP, JSON, validation and failure handling into one integration.
JOURNEY + BOSS LIVE
APIs & JSON has a complete guided arc.
The journey includes 10 sequenced lessons, local mastery and a final project that checks whether the major ideas were combined.
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