Category API

DeepSeek API rate limits are dynamic, not fixed. Learn how 429s trigger, how to handle them in production, and how to keep V4 traffic flowing. Read on.

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.

Master DeepSeek API streaming with V4-Pro and V4-Flash. SSE setup, reasoning_content deltas, code samples, error handling. Start streaming today.

Master DeepSeek API function calling on V4-Pro and V4-Flash with working code, strict mode, thinking-mode tools and pricing. Start building today.

Master DeepSeek API JSON mode on V4 with working code, pricing math, and the prompt rules that prevent empty responses. Start shipping today.

Learn how DeepSeek API context caching slashes input costs up to 90% on V4-Flash and V4-Pro. See pricing, code, and prefix tips—start saving today.

Decode every DeepSeek API error code — 400, 401, 402, 422, 429, 500, 503 — with fixes, retry patterns and V4 examples. Debug faster today.

Field-tested DeepSeek API best practices for V4-Pro and V4-Flash: caching, JSON mode, thinking, costs. Ship reliably — read the playbook.

DeepSeek OpenAI compatibility lets you swap base_url and reuse OpenAI SDKs against V4-Pro or V4-Flash. See code, params, costs — start migrating today.

Practical DeepSeek API examples for V4-Flash and V4-Pro: streaming, JSON, tools, thinking mode, costs. Copy, run, ship — start building today.