How to Validate FAQ Page Schema

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "@id": "https://example.com/products/smartphone/faq/#faqpage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "Does the smartphone come with a warranty?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Yes, all our smartphones come with a comprehensive 2-year manufacturer's warranty covering hardware defects and malfunctions. Extended warranty options are available for purchase."
      }
    },
    {
      "@type": "Question",
      "name": "What accessories are included in the box?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "The smartphone comes with: USB-C charging cable, wall adapter, protective case, screen protector, SIM eject tool, and user manual. Earbuds are sold separately."
      }
    },
    {
      "@type": "Question",
      "name": "Can I use my existing SIM card?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Yes, this smartphone is unlocked and compatible with most major carriers. It supports both physical SIM cards and eSIM technology depending on your carrier and region."
      }
    },
    {
      "@type": "Question",
      "name": "What's the battery life like?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "The battery provides up to 24 hours of mixed usage, 18 hours of video streaming, or 48 hours of audio playback. Actual battery life may vary based on usage patterns and settings."
      }
    },
    {
      "@type": "Question",
      "name": "Does it support wireless charging?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Yes, the smartphone supports Qi wireless charging up to 15W. Wireless charging accessories are sold separately and work with most standard Qi charging pads."
      }
    },
    {
      "@type": "Question",
      "name": "What's the return policy?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "We offer a 30-day return policy for unopened, unused items in original packaging. Custom orders and personalized items are not eligible for return. See our full return policy for details."
      }
    }
  ],
  "about": {
    "@type": "Product",
    "@id": "https://example.com/products/smartphone/#product",
    "name": "Premium Smartphone Pro",
    "brand": {
      "@type": "Brand",
      "name": "TechMobile"
    }
  },
  "publisher": {
    "@type": "Organization",
    "@id": "https://example.com/#organization",
    "name": "TechMobile Store"
  },
  "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "https://example.com/products/smartphone/faq"
  }
}
</script>

<script type="application/ld+json">
{
  "@context": "https://schema.org",
  "@type": "FAQPage",
  "@id": "https://example.com/services/plumbing/faq/#faqpage",
  "mainEntity": [
    {
      "@type": "Question",
      "name": "Do you provide emergency plumbing services?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Yes, we offer 24/7 emergency plumbing services for burst pipes, severe leaks, and other urgent plumbing issues. Call our emergency hotline at (555) 123-HELP for immediate assistance."
      }
    },
    {
      "@type": "Question",
      "name": "What's your service area?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "We proudly serve the greater metropolitan area including downtown, all suburbs, and surrounding communities within a 25-mile radius. Additional travel fees may apply for locations outside our primary service area."
      }
    },
    {
      "@type": "Question",
      "name": "Do you offer free estimates?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Yes, we provide free, detailed estimates for most plumbing services. Our licensed technicians will assess your needs and provide a written estimate before any work begins, with no obligation to proceed."
      }
    },
    {
      "@type": "Question",
      "name": "Are your plumbers licensed and insured?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Absolutely. All our technicians are fully licensed, bonded, and insured. We maintain comprehensive liability insurance and workers' compensation coverage to protect both our customers and our team."
      }
    },
    {
      "@type": "Question",
      "name": "What payment methods do you accept?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "We accept cash, checks, major credit cards (Visa, MasterCard, American Express), and digital payments through Venmo and PayPal. Financing options are available for larger projects through our approved partners."
      }
    },
    {
      "@type": "Question",
      "name": "How long do plumbing repairs typically take?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Repair times vary by job complexity. Simple fixes like faucet repairs take 30-60 minutes, while major repairs or installations may require 2-4 hours or multiple visits. We'll provide time estimates during your free consultation."
      }
    },
    {
      "@type": "Question",
      "name": "Do you provide warranties on your work?",
      "acceptedAnswer": {
        "@type": "Answer",
        "text": "Yes, we stand behind our work with comprehensive warranties. Labor warranties range from 1-5 years depending on the service, and we warranty parts according to manufacturer specifications. Details are provided with your invoice."
      }
    }
  ],
  "about": {
    "@type": "Service",
    "name": "Professional Plumbing Services",
    "provider": {
      "@type": "Organization",
      "@id": "https://example.com/#organization",
      "name": "Metro Plumbing Solutions"
    }
  },
  "mainEntityOfPage": {
    "@type": "WebPage",
    "@id": "https://example.com/services/plumbing/faq"
  }
}
</script>