DDG Chat Proxy (Cloudflare Worker)

OpenAI-compatible interface to DuckDuckGo AI Chat (free, no API key).

Endpoints

• GET /v1/models
• POST /v1/chat/completions

Example

curl -X POST https://YOUR-HOST/v1/chat/completions \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-4o-mini","messages":[{"role":"user","content":"say PONG"}]}'

Available models

gpt-4o-mini
claude-3-haiku-20240307
meta-llama/Llama-3.3-70B-Instruct-Turbo
meta-llama/Meta-Llama-3.1-70B-Instruct-Turbo
mistralai/Mistral-Small-24B-Instruct-2501
o3-mini