Anthropic

curl https://api.highwayapi.ai/anthropic/v1/messages \
  -H "x-api-key: $API_KEY" \
  -H "anthropic-beta: context-1m-2025-08-07" \
  -H "content-type: application/json" \
  -d '{
    "model": "claude-sonnet-4-20250514",
    "max_tokens": 1024,
    "messages": [
      {"role": "user", "content": "Process this large document..."}
    ]
  }'

curl https://api.highwayapi.ai/anthropic/v1/messages \
     -H "x-api-key: $API_KEY" \
     -H "content-type: application/json" \
     -d \
'{
    "model": "claude-sonnet-4-20250514",
    "max_tokens": 16000,
    "thinking": {
        "type": "enabled",
        "budget_tokens": 10000
    },
    "messages": [
        {
            "role": "user",
            "content": "Are there an infinite number of prime numbers such that n mod 4 == 3?"
        }
    ]
}'