{"name":"ArcRouter API","status":"operational","version":"1.0.0","docs":"https://arcrouter.ai/docs","tiers":{"free":"No API key required. Free-tier models only, 20 requests/hour.","paid":"API key required. All budget tiers, Stripe metered billing, $0.002 per request.","x402":"USDC payment on Base Mainnet. Variable pricing: $0.001 (simple), $0.002 (medium), $0.005 (complex).","mpp":"Tempo chain payment via MPP. Same pricing as x402. Send Authorization: Payment <credential>."},"modes":{"default":"Smart routing to the best single model from benchmark scores.","council":"Multi-model consensus and confidence scoring."}}