Applications and Integration Questions
Practice questions for Applications and Integration topic in Claude Certified Developer – Foundations. 69 questions covering this domain.
A developer builds a RAG agent where tool definitions change weekly, static system instructions change monthly, and retrieved document context changes...
A developer uploads a file to the Files API for use across multiple requests. What is the default retention behavior for that file?
Which Claude API endpoint is used for sending messages to Claude for conversational interactions?
A developer builds an internal knowledge base assistant using Claude Opus 4.8 with a 30,000-token system prompt. Usage data shows requests arrive ever...
Which Claude API feature automatically summarizes earlier portions of a long conversation server-side when the context window is approaching its limit...
A developer sends the same 40,000-token system prompt on every API request, with only the user question changing. Which feature should they use to min...
A developer wants prompt caching to automatically advance the cache breakpoint as a multi-turn conversation grows, without manually updating cache_con...
What is the maximum number of explicit cache breakpoints (cache_control parameters) allowed in a single Claude API request?
A developer wants to determine how many tokens a prompt will consume before sending it to Claude to inform cost estimates. Which Claude API should the...
What is the maximum request size for the Message Batches API?
A developer wants to send multiple parallel requests immediately after deploying an application, and needs all parallel requests to benefit from a sha...
A ZDR-enabled organization sends a request to Claude Fable 5 and receives a 400 invalid_request_error: "your organization or workspace must have data ...
What cost reduction does the Message Batches API provide compared to standard synchronous API calls?
A developer with a ZDR arrangement builds a browser-based JavaScript application that calls the Claude API directly and receives CORS errors. What is ...
Which HTTP header must be included in every Claude API request to authenticate using an API key?
A developer currently re-uploads a 5 MB configuration document on every API request to have Claude parse it, resulting in slow startup and high bandwi...
A developer uses prompt caching but observes that cache_creation_input_tokens and cache_read_input_tokens are never populated beyond the first request...
A developer uses automatic caching (top-level cache_control) and also adds 4 explicit cache_control breakpoints on individual content blocks. The API ...
Which Claude API feature natively processes both text and visual content from PDF documents without requiring the developer to extract text first?
A developer sends a request with max_tokens: 0 for cache pre-warming. The request also includes extended thinking (thinking.type: "enabled") to ensure...
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