Claude Sonnet 4.5

curl -X POST https://ninjachat.ai/api/v1/chat \
  -H "Authorization: Bearer nj_sk_YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model": "claude-sonnet-4.5", "messages": [{"role": "user", "content": "Hello!"}]}'

import requests, os

r = requests.post("https://ninjachat.ai/api/v1/chat",
    headers={"Authorization": f"Bearer {os.environ['NINJACHAT_API_KEY']}"},
    json={"model": "claude-sonnet-4.5", "messages": [{"role": "user", "content": "Hello!"}]}
)
print(r.json()["message"]["content"])