Requestly
DeepSeek logo

DeepSeek API

Access DeepSeek's powerful open-source AI models for code generation, reasoning, and general language tasks.

Verified
2026-02-03

At a glance

Essential information

Category
ai
Authentication
api_key
Free tier
Available
Starting from$0.14/M tokens (input)

About

DeepSeek API provides access to high-performance open-source language models with exceptional reasoning capabilities and competitive pricing. Built in China, DeepSeek models excel at code generation, mathematical reasoning, and general language understanding.

What you can build

  • Code generation and analysis tools
  • Mathematical problem solvers
  • AI-powered development assistants
  • Multi-lingual conversational applications
  • Research and reasoning systems
Free tierYes
Starting from$0.14/M tokens (input)
NotesCompetitive pricing with free tier included; pricing varies by model.

Last updated: 2026-02-03. Please refer to the official pricing page as pricing may have changed.

Alternatives

Similar APIs you might consider

Authentication & Limits

View Docs
Auth type
api_key
Rate limits
Based on tier; see documentation.

Steps to get API key

  1. 1Sign up at platform.deepseek.com
  2. 2Navigate to API Keys section
  3. 3Create a new API key
  4. 4Copy and secure the key
  5. 5Use in Authorization header as Bearer token

FAQ

DeepSeek-V2 for general tasks, DeepSeek-Coder for code generation, and DeepSeek-Math for mathematical reasoning.
Requestly

Testing APIs?

Use Requestly's lightweight & local API Client