How to Get a DeepSeek API Key
Last updated: May 14, 2026 To get a DeepSeek API key, create or log in to your account on the DeepSeek Platform, open the API Keys section, create a…
Docs
DeepSeek API Rate Limits: How They Work and How to Handle 429 Errors
Last reviewed: May 2, 2026 DeepSeek does not currently publish a simple fixed RPM or TPM table for the official API. Instead, the official DeepSeek API uses dynamic concurrency…
Use the OpenAI SDK with DeepSeek: Python, Node.js, Streaming, JSON Output & Tool Calls
Last verified: April 27, 2026. You can use the OpenAI SDK package as a client library with DeepSeek because DeepSeek documents an OpenAI-compatible API format. For many developers, this…
DeepSeek JSON Output: Return Valid JSON with the DeepSeek API
Last verified: April 27, 2026. DeepSeek JSON Output is the Chat Completions feature for returning valid JSON in the assistant message content. Use deepseek-v4-flash or deepseek-v4-pro, set response_format: {…
DeepSeek Node.js TypeScript Guide: Chat Completions, Streaming, JSON & Tools
Last verified: April 27, 2026. To use DeepSeek Node.js TypeScript in a production-ready way, install the OpenAI JavaScript/TypeScript SDK, configure it with DeepSeek’s OpenAI-compatible base URL, store your API…
DeepSeek LlamaIndex Integration: Python RAG Setup
Last verified: April 27, 2026. DeepSeek LlamaIndex Integration is useful when you want DeepSeek to generate answers from retrieved documents, indexed knowledge bases, or structured context assembled by LlamaIndex.…
DeepSeek Python SDK Guide: Use DeepSeek with Python
Quick answer : DeepSeek Python SDK usually means using the official OpenAI Python SDK with DeepSeek-specific settings. Install the openai Python package, create an OpenAI client with your DeepSeek…
DeepSeek LangChain Integration: Python, TypeScript, RAG, Tools, and Structured Output
Last verified: April 27, 2026. DeepSeek LangChain Integration lets developers connect DeepSeek models to LangChain through ChatDeepSeek. Use langchain-deepseek in Python or @langchain/deepseek in TypeScript, set DEEPSEEK_API_KEY on the…
DeepSeek Tool Calls Guide
Quick answer :DeepSeek Tool Calls let the model request external functions during a chat workflow. The model can return a structured tool call with a function name and JSON-style…
DeepSeek Context Caching Explained
Last verified against official DeepSeek API documentation: April 25, 2026 Current API status: DeepSeek Context Caching is enabled by default for API users. Because API pricing can change, production…
DeepSeek Thinking Mode
Quick answer: DeepSeek Thinking Mode is an API mode where the model can return reasoning output before the final answer. As of April 28, 2026, in the DeepSeek V4…
DeepSeek Error Codes Explained: Fix 400, 401, 402, 422, 429, 500 & 503
Quick answer: DeepSeek API error codes are easiest to fix when you separate request-side issues from provider-side issues. 400, 401, 402, and 422 usually mean you need to fix…
DeepSeek API Docs: Complete Setup, Pricing, Models & Code Examples
Last updated: May 2026Verified against official DeepSeek API Docs on May 3, 2026 The DeepSeek API lets developers access DeepSeek’s language models through OpenAI-compatible and Anthropic-compatible API formats. That…