Chat Completions

curl -X POST "https://ai.costa.app/api/v1/chat/completions" \
  -H "Authorization: Bearer costa_ent_your_key_here" \
  -H "Content-Type: application/json" \
  -H "HTTP-Referer: https://docs.costa.app" \
  -H "X-Title: Costa AI Documentation Test" \
  -d '{
    "model": "costa/enterprise-coder-v1",
    "messages": [
      {
        "role": "user",
        "content": "Write a secure Python function to hash passwords"
      }
    ],
    "max_tokens": 300,
    "temperature": 0.1,
    "security_level": "high"
  }'

{
  "id": "chatcmpl-costa-123456789",
  "object": "chat.completion",
  "created": 1704067200,
  "model": "costa/enterprise-coder-v1",
  "choices": [
    {
      "index": 0,
      "message": {
        "role": "assistant",
        "content": "Here's a secure Python function to hash passwords using bcrypt:\n\n```python\nimport bcrypt\n\ndef hash_password(password: str) -> str:\n    \"\"\"\n    Securely hash a password using bcrypt with salt.\n    \n    Args:\n        password (str): The plain text password to hash\n        \n    Returns:\n        str: The hashed password\n    \"\"\"\n    # Generate salt and hash password\n    salt = bcrypt.gensalt(rounds=12)\n    hashed = bcrypt.hashpw(password.encode('utf-8'), salt)\n    return hashed.decode('utf-8')\n\ndef verify_password(password: str, hashed: str) -> bool:\n    \"\"\"\n    Verify a password against its hash.\n    \n    Args:\n        password (str): Plain text password\n        hashed (str): Hashed password to verify against\n        \n    Returns:\n        bool: True if password matches, False otherwise\n    \"\"\"\n    return bcrypt.checkpw(password.encode('utf-8'), hashed.encode('utf-8'))\n```\n\nThis implementation uses bcrypt with 12 rounds for strong security."
      },
      "finish_reason": "stop"
    }
  ],
  "usage": {
    "prompt_tokens": 12,
    "completion_tokens": 245,
    "total_tokens": 257,
    "cost_usd": 0.00385
  },
  "security": {
    "level": "high",
    "data_residency": "us-east",
    "audit_id": "audit_costa_20240101_123456",
    "zero_retention": false
  }
}

{
  "error": {
    "message": "Invalid API key provided",
    "type": "authentication_error", 
    "code": "invalid_api_key"
  }
}