{"name":"AI Cost Calculator API","version":"1.0.0","description":"The world's first AI model cost estimation API. Calculate, compare, and optimize AI spending across all major providers.","pricing_data_version":"2026-03-21","endpoints":{"calculate":"POST /api/v1/calculate","estimate":"POST /api/v1/estimate","compare":"POST /api/v1/compare","cheapest":"GET  /api/v1/cheapest?input_tokens=N&output_tokens=N&budget=N","models":"GET  /api/v1/models","models_by_provider":"GET  /api/v1/models/:provider","tokens":"POST /api/v1/tokens","mcp":"POST /mcp (JSON-RPC 2.0)"},"providers":["anthropic","openai","google","meta","mistral"]}