11 items under this folder.Aug 31, 2026ai-api-referenceAug 31, 2026upstream-referencesAug 31, 2026Authentication, Status Codes, and Credential Securityai-agent-engineerapiauthenticationAug 31, 2026Error Classification, Logging, and Troubleshootingai-agent-engineerapiobservabilityAug 31, 2026API Exercises, Self-Assessment, and Mastery Criteriaai-agent-engineerapiexerciseAug 31, 2026HTTP Requests and Responsesai-agent-engineerapihttpAug 31, 2026Pagination, Rate Limits, and Quotasai-agent-engineerapipaginationrate-limitAug 31, 2026Project: Reliable API Clientai-agent-engineerapiprojectAug 31, 2026Requests Client, Session, and Contract Readingai-agent-engineerapihttprequestsAug 31, 2026Timeouts, Retries, Backoff, and Idempotencyai-agent-engineerapireliabilityAug 31, 2026API Learning Pathai-agent-engineerapihttp