Practical guideDeepSeek API Guide: Setup, Keys and First Request
Set up the current DeepSeek V4 API safely with environment variables, Python, JavaScript, error handling, budgets and official endpoints.
Guide category · 9 articles
API, development and local deployment
Practical API integration, structured output, tool use, cost estimation, troubleshooting, and local deployment guides.
All guides
Explore api, development and local deployment
Use DeepSeek With the OpenAI SDK
Configure the OpenAI Python and JavaScript SDKs for DeepSeek V4 with environment variables, safe retries, streaming caveats and compatibility limits.
DeepSeek Tool Calling Guide
Build a safe DeepSeek tool-calling loop with schema validation, allow-listed functions, retries, output checks and failure handling.
DeepSeek JSON Output Guide
Generate and validate DeepSeek JSON output with schema checks, truncation handling, repair limits and production safeguards.
DeepSeek Context Caching Explained
How DeepSeek’s automatic disk context cache matches prefixes, affects cost, reports usage and supports repeated-context workloads.
Run DeepSeek Locally With Ollama
Install an official Ollama runtime, choose a DeepSeek R1 tag, run a local chat and secure the local API without invented performance claims.
Run DeepSeek Locally With Docker
A secure, reproducible Docker approach for Ollama and DeepSeek R1, with localhost binding, persistent storage, resource limits and updates.
Run DeepSeek on Windows, macOS and Linux
Compare practical local DeepSeek installation paths, storage, hardware and troubleshooting on Windows, macOS and Linux.
DeepSeek API Errors and Troubleshooting
Diagnose DeepSeek API 400, 401, 402, 422, 429, 500 and 503 errors, timeouts, retired models and official service incidents.