Category 15 articles
API
Complete DeepSeek API reference covering documentation, pricing, authentication, rate limits, streaming, function calling, and production best practices for developers.
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API
Understanding DeepSeek API Rate Limits in Production
DeepSeek API rate limits are dynamic, not fixed. Learn how 429s trigger, how to handle them in production, and how to keep…
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API
How DeepSeek API Authentication Works (and How to Do It Right)
Master DeepSeek API authentication with Bearer tokens, key rotation, and 401 fixes. Get production-ready code for V4-Pro and V4-Flash—start authenticating now.
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API
DeepSeek API Streaming: SSE on V4-Pro and V4-Flash
Master DeepSeek API streaming with V4-Pro and V4-Flash. SSE setup, reasoning_content deltas, code samples, error handling. Start streaming today.
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API
DeepSeek API Function Calling on V4: A Practical Guide
Master DeepSeek API function calling on V4-Pro and V4-Flash with working code, strict mode, thinking-mode tools and pricing. Start building today.
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API
How DeepSeek API JSON Mode Works on V4 (With Code)
Master DeepSeek API JSON mode on V4 with working code, pricing math, and the prompt rules that prevent empty responses. Start shipping…
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API
How DeepSeek API Context Caching Cuts Input Costs by ~98% on V4
DeepSeek API context caching now drops cached-input cost by ~98% on V4-Flash and over 99% on V4-Pro under current pricing. See rates,…
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API
Handling DeepSeek API Error Codes Without Guesswork
Decode every DeepSeek API error code — 400, 401, 402, 422, 429, 500, 503 — with fixes, retry patterns and V4 examples.…
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API
DeepSeek API Best Practices for V4 in Production
Field-tested DeepSeek API best practices for V4-Pro and V4-Flash: caching, JSON mode, thinking, costs. Ship reliably — read the playbook.
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API
Using DeepSeek With the OpenAI SDK: A Practitioner’s Guide
DeepSeek OpenAI compatibility lets you swap base_url and reuse OpenAI SDKs against V4-Pro or V4-Flash. See code, params, costs — start migrating…
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API
DeepSeek API Examples: Working V4 Snippets for Real Workloads
Practical DeepSeek API examples for V4-Flash and V4-Pro: streaming, JSON, tools, thinking mode, costs. Copy, run, ship — start building today.