curl https://api.saturn-pay.com/v1/capabilities \
  -H "Authorization: Bearer sk_agt_..."

const response = await fetch('https://api.saturn-pay.com/v1/capabilities', {
  headers: { 'Authorization': 'Bearer sk_agt_...' }
});

const capabilities = await response.json();

[
  {
    "name": "reason",
    "description": "LLM inference — completions, summarization, extraction",
    "providers": ["openai", "anthropic"],
    "pricing": {
      "openai": {
        "gpt-4o": { "inputPer1k": 2.5, "outputPer1k": 10.0 },
        "gpt-4o-mini": { "inputPer1k": 0.15, "outputPer1k": 0.6 }
      },
      "anthropic": {
        "claude-sonnet-4-20250514": { "inputPer1k": 3.0, "outputPer1k": 15.0 }
      }
    }
  },
  {
    "name": "search",
    "description": "Web search — query to ranked results",
    "providers": ["serper", "brave"],
    "pricing": {
      "serper": { "perQuery": 0.001 },
      "brave": { "perQuery": 0.002 }
    }
  }
]