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Learn/LLM APIs & Integration

Course

LLM APIs & Integration

Wire an LLM into a real app: model APIs, streaming, function calling, rate limits, retries and backoff, and clean, evolvable API design.

17 practice questions12 free5 company-verified (Pro)

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Course chapters

1
Calling model APIs
13min · concept, worked example, practice & checkpoint
2
Function calling & structured output
14min · concept, worked example, practice & checkpoint
3
Streaming & long-running jobs
13min · concept, worked example, practice & checkpoint
4
Rate limits, errors & reliability
14min · concept, worked example, practice & checkpoint
5
Multi-provider & production integration
13min · concept, worked example, practice & checkpoint

Free to practice

Webhook Events Arrive Out of Order and Duplicated

Forward Deployedeasy

Customer CRM Sync Silently Drops RecordsForward Deployedeasy

Sliding-Window Rate LimiterSWE (AI-Era)medium

Classify and Count LLM Retry AttemptsSWE (AI-Era)medium

Build a Health Check So the Customer Can Trust the DeploymentForward Deployedmedium

Build a Tool to Triage Incoming Customer FeedbackForward Deployedmedium

Build a Connector That Respects a Vendor Rate LimitForward Deployedmedium

Integration Drops Out Every Hour (Token Refresh)Forward Deployedmedium

Flaky Vendor API Is Dropping and Duplicating OrdersForward Deployedmedium

Restrict What the Agent Can Expose by RoleForward Deployedmedium

Design a Zero-Downtime Migration off a Legacy SystemForward Deployedhard

Design an Agent for Field Use with No Reliable InternetForward Deployedhard

Company-verified Pro

Real LLM APIs & Integration questions reported from interviews at 50+ AI companies, with the golden answer and full scoring. Unlock with Pro →

Resilient LLM API calls with exponential backoff retry logicReported at Anthropiceasy
LLM retry logic causes infinite loops on malformed API responsesReported at Metaeasy
Sliding Window Rate Limiter for Concurrent LLM API CallsReported at Databricksmedium
AI Agent Loop Termination Bug Causes Excessive API CallsReported at Googlemedium
TDD — Tests First for a Retry Policy with IdempotencyReported at Stripehard

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