Agent integrations
One tool, one complete setup guide
Each guide has its own configuration, protocol, verification steps, and troubleshooting. All public examples use a DeepSeek-V4.io key and endpoint.
Terminal coding agents
Claude Code
VerifiedConnect Claude Code to DeepSeek V4 through the DeepSeek-V4.io Anthropic Messages endpoint.
Anthropic Messages
Read the setup guide
Codex
VerifiedUse DeepSeek V4 Flash in Codex through the DeepSeek-V4.io Responses API.
OpenAI Responses
Read the setup guide
DeepSeek Harness
ExperimentalConfigure the official DeepSeek Harness developer preview with DeepSeek-V4.io as a custom OpenAI-compatible provider.
OpenAI Chat Completions
Read the setup guide
OpenCode
ExperimentalConfigure OpenCode with a custom OpenAI-compatible DeepSeek-V4.io provider.
OpenAI Chat Completions
Read the setup guide
Pi
ExperimentalAdd DeepSeek-V4.io to Pi as an OpenAI Completions-compatible custom provider.
OpenAI Chat Completions
Read the setup guide
Aider
ExperimentalConnect Aider to DeepSeek V4.1 Flash through the DeepSeek-V4.io OpenAI-compatible endpoint.
OpenAI Chat Completions
Read the setup guide
IDE coding agents
General agents
Building a custom integration?
Use the same paid DeepSeek-V4.io key with Chat Completions, Responses, or Anthropic Messages. The public API keeps upstream provider credentials and routing on the server.