BN-LINK Smart Plug Review 2026: Affordable Home Automation

Smart plugs have become a popular choice for people who want to make their homes smarter without spending too much money. The BN-LINK smart plug stands out as one of the most affordable options on the market today.

This device transforms your regular appliances into smart devices that you can control with your voice or smartphone. You can turn off lights when you forget, schedule your coffee maker to start in the morning, or control holiday decorations from your couch. The BN-LINK smart plug brings convenience to your daily life while keeping your budget intact.

Many homeowners struggle with high energy bills and the hassle of manually controlling multiple devices. The BN-LINK smart plug offers a simple solution to these problems. This review will help you understand everything about this device.

You will learn about its features, setup process, performance, and whether it’s worth your money in 2025. We will compare it with other options and answer common questions. By the end of this article, you will know if the BN-LINK smart plug fits your needs.

Key Takeaways

Here are the most important points about the BN-LINK smart plug:

Budget-Friendly Pricing: The BN-LINK smart plug offers exceptional value with prices starting around $12 for a two-pack. This makes it one of the most affordable smart home devices available in 2025. You get reliable smart home functionality without breaking your budget.

Easy Voice Control: The device works seamlessly with both Amazon Alexa and Google Assistant. You can control your lights, fans, and small appliances using simple voice commands. No technical skills needed.

No Hub Required: Unlike some smart home devices, the BN-LINK smart plug connects directly to your 2.4GHz WiFi network. You do not need to purchase additional hubs or bridges. This saves you money and simplifies the setup process.

Energy Monitoring Feature: Select models include energy monitoring capabilities that help you track power consumption. You can identify which devices use the most electricity and make informed decisions about your energy usage.

Heavy-Duty Performance: The plug supports up to 15 amps and 1875 watts of power. This makes it suitable for various household appliances, from lamps to space heaters. The fire-resistant shell adds an extra layer of safety.

Flexible Scheduling Options: You can create custom schedules and timers through the Smart Life app. Set your devices to turn on or off automatically at specific times. This feature helps you save energy and adds convenience to your daily routine.

What Is the BN-LINK Smart Plug

The BN-LINK smart plug is a WiFi-enabled outlet adapter that makes your regular appliances smart. You simply plug this device into any standard wall outlet, then connect your appliance to it. The plug measures compact enough to fit without blocking adjacent outlets in most cases. The device features a white, fire-resistant shell that blends well with most home decor. A small LED indicator light shows the connection status and power state.

This smart plug connects to your home WiFi network using the 2.4GHz band. You control it through the Smart Life app on your smartphone or tablet. The app is available for both iOS and Android devices at no cost. Once connected, you can turn devices on or off from anywhere in the world as long as you have internet access. The plug also integrates with voice assistants like Alexa and Google Home. You can group multiple plugs together for simultaneous control.

The device comes in various pack sizes, including single units, two-packs, and four-packs. This flexibility allows you to choose the right quantity for your needs. The BN-LINK brand has built a reputation for creating affordable smart home products that work reliably. They focus on providing essential features without unnecessary complexity or high prices.

Main Features and Specifications

The BN-LINK smart plug packs impressive features into a small package. The device supports a maximum load of 15 amps at 125 volts, which equals 1875 watts of power. This capacity handles most household appliances safely. The plug uses WiFi connectivity on the 2.4GHz frequency band only. It does not work with 5GHz networks, which is standard for most budget smart plugs.

Voice control works through Amazon Alexa and Google Assistant. You can say commands like “Alexa, turn on the living room lamp” or “Hey Google, turn off the fan.” The response time is quick, usually within one to two seconds. The Smart Life app provides remote control capabilities from anywhere. You can check the status of your devices and control them even when you are away from home.

Some models include energy monitoring functionality. This feature tracks how much power your connected devices consume over time. The app displays this information in graphs and charts. You can see daily, weekly, or monthly usage patterns. This helps you identify energy-hungry appliances and adjust your usage habits. The timer and scheduling features let you automate your devices. You can set specific times for devices to turn on or off automatically.

The plug includes countdown timer options for temporary control. For example, you can set a fan to turn off after 30 minutes. Group control allows you to manage multiple plugs simultaneously. You can create scenes that control several devices with one command. The device supports away mode, which randomly turns lights on and off to simulate presence when you travel.

Setup Process and Installation Guide

Setting up the BN-LINK smart plug takes about five to ten minutes. The process is straightforward even if you have limited technical experience. First, download the Smart Life app from the Apple App Store or Google Play Store. Create a free account using your email address. You only need to do this once for all your smart home devices that use this app.

Plug the BN-LINK smart plug into a wall outlet near your WiFi router during initial setup. The LED indicator will start flashing rapidly. This indicates the device is ready for configuration. Open the Smart Life app and tap the plus icon to add a new device. Select “Socket” or “Outlet” from the device list. Make sure your phone connects to your 2.4GHz WiFi network during this process.

Enter your WiFi password when prompted. The app will search for the smart plug and connect it to your network. This usually takes 30 to 60 seconds. Once connected, the LED will stop flashing and remain solid. You can now rename the device to something meaningful like “Living Room Lamp” or “Bedroom Fan.” This makes voice control easier and more intuitive.

After the initial setup, you can move the plug to any outlet in your home. The device will automatically reconnect to your WiFi network. If you want to add voice control, link your Smart Life account to your Alexa or Google Home app. This process takes just a few taps. Once linked, you can discover the device and start using voice commands immediately.

Performance and Reliability Testing

The BN-LINK smart plug performs consistently well in daily use. The WiFi connection remains stable in most typical home environments. Users report that the device responds quickly to commands sent through the app. The typical response time ranges from one to three seconds. Voice commands through Alexa or Google Assistant work reliably with minimal delays.

The plug handles various appliances effectively. It works great with lamps, fans, humidifiers, and coffee makers. Users have successfully controlled space heaters, holiday lights, and charging stations. The 15-amp capacity provides enough power for most household devices. However, you should avoid using it with high-draw appliances like air conditioners or washing machines.

The device maintains its connection even during brief power outages. When power returns, the plug remembers its last state setting. You can configure it to either turn on, turn off, or return to its previous state after a power interruption. This flexibility helps you customize the behavior based on your needs. For example, you might want lights to turn on automatically after a power outage for safety.

The Smart Life app interface proves user-friendly and responsive. You can access all features without confusion or complicated menus. The energy monitoring feature, when available, provides accurate readings. Users have compared the measurements with kill-a-watt meters and found them reasonably accurate. The margin of error typically stays within five to ten percent.

Top 3 Alternatives for BN-LINK Smart Plug

Energy Monitoring Capabilities

Energy monitoring is a standout feature in select BN-LINK smart plug models. This function tracks how much electricity your connected devices consume in real-time. The Smart Life app displays current power usage in watts. You can see how much power a device draws at any given moment. This information helps you understand which appliances cost you the most money to operate.

The app stores historical data about your energy consumption. You can view daily, weekly, and monthly usage patterns through easy-to-read graphs. These charts show peaks and valleys in your power consumption. You might discover that certain devices use more power than you expected. For example, an old refrigerator might consume significantly more energy than a newer model.

The energy monitoring feature helps you make informed decisions about your appliances. You can identify vampire power drain from devices that consume electricity even when turned off. Smart plugs with energy monitoring can help you reduce your electricity bill by five to fifteen percent. You achieve this by identifying and eliminating unnecessary power consumption. The data also helps you decide when to replace old, inefficient appliances.

Some users appreciate the environmental benefits of energy monitoring. By reducing your power consumption, you lower your carbon footprint. The feature proves especially useful for people who care about sustainability. You can set goals to reduce your energy usage over time and track your progress. The app makes it easy to see if your efforts are making a real difference.

Voice Control Integration Experience

Voice control transforms how you interact with your home devices. The BN-LINK smart plug offers excellent compatibility with both Amazon Alexa and Google Assistant. Setting up voice control takes just a few minutes through the respective smart home apps. Once configured, you can control your devices hands-free using natural language commands.

The voice recognition works accurately in most situations. You can use simple commands like “turn on the bedroom lamp” or “turn off the kitchen fan.” The smart plug responds quickly, usually within one to two seconds. You can also use more complex commands that control multiple devices simultaneously. For example, “Alexa, turn off all living room devices” can control several plugs at once if you group them properly.

The voice control feature proves particularly useful in certain situations. You can turn off lights without getting out of bed at night. You can control devices when your hands are full or wet. Parents appreciate being able to control nightlights and white noise machines from another room. The feature also helps people with mobility challenges who find reaching outlets difficult.

You can create routines that trigger multiple actions with one voice command. For instance, saying “Good morning” could turn on your coffee maker, lights, and radio simultaneously. Similarly, “Good night” could turn off all lights and activate security devices. These routines add convenience and make your home feel truly smart. The BN-LINK smart plug integrates seamlessly into these automation scenarios.

Smart Life App Functionality

The Smart Life app serves as the control center for your BN-LINK smart plugs. The interface features a clean, intuitive design that makes navigation simple. The home screen displays all your connected devices with large, easy-to-tap buttons. You can see the status of each device at a glance. A simple tap turns devices on or off instantly.

The app offers multiple viewing options to organize your devices. You can arrange them by room, which helps when you have many smart plugs. The favorites feature lets you pin frequently used devices to the top of the list. You can also create custom groups to control multiple devices together. For example, a “Living Room” group might include all lamps and entertainment devices in that space.

Scheduling capabilities in the app are robust and flexible. You can create schedules based on specific times or sunrise and sunset. The latter option is perfect for outdoor lights that should match natural lighting conditions. You can set different schedules for weekdays and weekends. The countdown timer feature lets you set temporary controls, such as turning off a device after a certain period.

The app includes a scene function that creates custom automation. Scenes can trigger multiple devices based on your preferences. You might create a “Movie Time” scene that dims certain lights and turns off others. The sharing feature allows family members to control the same devices. You can grant access to other Smart Life app users without sharing your password.

Safety Features and Build Quality

Safety stands as a priority in the BN-LINK smart plug design. The device features a fire-resistant shell made from premium materials. This construction helps prevent overheating and reduces fire risk. The plug meets safety standards and certifications including ETL and FCC approval. These certifications ensure the device has passed rigorous safety testing.

The internal components use quality materials that resist wear and tear. The contacts are made from durable metal that maintains good conductivity over time. The plug fits securely into wall outlets without becoming loose. This tight fit prevents arcing and ensures consistent power delivery. The device includes overcurrent protection that shuts off power if it detects dangerous current levels.

The LED indicator provides visual feedback about the plug’s status. A solid light indicates normal operation and good WiFi connection. A flashing light signals setup mode or connection issues. This simple indicator helps you troubleshoot problems quickly. The light is not too bright, so it will not disturb you in bedrooms or at night.

The plug’s compact design prevents it from blocking adjacent outlets in most cases. However, the size varies slightly between models. Some users report that certain wall plates or outlet configurations might cause interference. The device operates silently without any humming or clicking sounds. This quiet operation makes it suitable for use in bedrooms and quiet spaces.

Scheduling and Automation Options

Scheduling features give you powerful control over your devices without manual intervention. The BN-LINK smart plug allows you to create multiple schedules for each device. You can set different schedules for each day of the week. This flexibility helps you match your routine perfectly. For instance, your coffee maker can start at 7 AM on weekdays but 9 AM on weekends.

The sunrise and sunset scheduling option adjusts automatically based on your location. This feature proves excellent for outdoor lights and security lighting. The lights turn on when it gets dark and off at dawn without you changing the schedule seasonally. The app calculates these times accurately using your GPS coordinates.

Countdown timers offer temporary control without creating permanent schedules. You can tell a device to turn off after a specific period. This works great for fans, heaters, or chargers that you want to run for a limited time. The timer can range from one minute to 23 hours and 59 minutes. You set it with just a few taps in the app.

Random mode adds security when you travel. This feature turns lights on and off at random times to simulate someone being home. Studies show that this randomness deters burglars more effectively than predictable patterns. You can enable this mode with one tap before leaving for vacation. The automation options help you save energy by ensuring devices only run when needed.

Outdoor Use and Weather Resistance

The standard BN-LINK smart plug is designed primarily for indoor use. The device lacks weatherproofing features found in outdoor-specific models. Using the standard plug outdoors exposes it to moisture, temperature extremes, and dust. These conditions can damage the electronics and create safety hazards. The manufacturer clearly states the indoor plug should not be used outside.

However, BN-LINK offers dedicated outdoor smart plug models for exterior applications. These outdoor versions feature weatherproof IP44-rated enclosures. The rating means they resist water splashes from any direction. They can withstand rain, snow, and moisture without malfunction. The outdoor models typically feature three outlets that you can control independently or together.

The outdoor plugs handle temperature variations better than indoor models. They work reliably in cold winter weather and hot summer conditions. The materials resist UV damage from sunlight exposure. This durability ensures the plug lasts for multiple seasons. Users report these outdoor plugs working reliably for controlling holiday lights, pond pumps, and outdoor fans.

When using outdoor models, proper installation matters. You should still protect the plug from direct water streams or submersion. Installing it under an eave or in a covered area extends its lifespan. Never use outdoor plugs with high-power devices like pool pumps or heavy-duty tools. Check the specifications to ensure your device stays within the safe power range.

Compatibility with Smart Home Ecosystems

The BN-LINK smart plug integrates well with major smart home platforms. Amazon Alexa compatibility is seamless and reliable. You can add the plug to Alexa routines and groups easily. The device appears in your Alexa app alongside other smart home devices. You can include it in scenes that control multiple devices with one command.

Google Home integration works equally well. The plug responds to Google Assistant voice commands accurately. You can add it to Google Home rooms for organized control. The device participates in Google routines just like other compatible devices. Users report no significant differences in performance between the two platforms.

The Smart Life app uses the Tuya smart home platform. This platform supports integration with many other services through IFTTT (If This Then That). You can create custom automations that connect your BN-LINK plugs with other apps and devices. For example, you could turn on a light when you receive a specific email or when a sensor detects motion.

However, the BN-LINK smart plug does not support Apple HomeKit or Siri. Users with Apple-centric smart homes will find this limitation frustrating. You cannot control the plug using Siri voice commands on your iPhone or HomePod. The device also lacks native support for Samsung SmartThings, though some users report success using workarounds. If Apple HomeKit compatibility matters to you, consider alternative smart plugs designed for that ecosystem.

Price Value Analysis

The BN-LINK smart plug delivers exceptional value for money. Prices start around $12 for a two-pack and roughly $22 for a four-pack. This makes each plug cost between $5.50 and $6 when bought in multipacks. Compared to premium brands that charge $15 to $25 per plug, the savings are substantial. A typical home might need five to ten smart plugs for comprehensive automation. The cost difference between BN-LINK and premium brands can exceed $100.

The features you get at this price point are impressive. Voice control, scheduling, remote access, and energy monitoring (on select models) match what expensive alternatives offer. The build quality, while not premium, proves adequate for most users. The device performs reliably without significant quality compromises. You get the core functionality of smart home automation without paying for brand names or unnecessary extras.

When calculating value, consider your specific needs. If you want basic on/off control with scheduling, the BN-LINK plug provides everything necessary. Budget-conscious consumers find this plug offers the best bang for their buck in 2025. The money saved on smart plugs can go toward other smart home devices or priorities.

The warranty coverage includes a two-year manufacturer warranty. This protection adds value and demonstrates the company’s confidence in their product. Customer service receives mixed reviews, with some users praising responsive support while others report slow responses. The affordable price point means replacement costs remain low if issues occur outside the warranty period.

Common Issues and Troubleshooting

Users occasionally encounter connection problems with the BN-LINK smart plug. The most common issue involves initial WiFi setup failure. This usually happens because the plug only works with 2.4GHz networks. Many modern routers use dual-band networks, and phones often prefer the faster 5GHz band. During setup, ensure your phone connects to the 2.4GHz network. Some users need to temporarily disable the 5GHz band on their router during initial configuration.

The plug may lose connection if your WiFi signal is weak. Smart plugs located far from the router or behind thick walls might disconnect periodically. Moving the plug closer to the router during setup can help. Once configured, you can try moving it to the desired location. If connection issues persist, consider adding a WiFi extender to strengthen signal coverage.

Some users report the plug becomes unresponsive after power outages. This happens when the device fails to reconnect to the WiFi network automatically. Unplugging the smart plug for 10 seconds and plugging it back in usually resolves this issue. You can also reset the device by holding the power button for 5 to 10 seconds until the LED flashes rapidly.

The Smart Life app might not discover the plug during setup. Make sure you granted the app location permissions, as it needs this to configure the device properly. Also verify that your phone’s Bluetooth is enabled, as the app uses it during the pairing process. If problems continue, delete the app and reinstall it. This fresh installation often resolves persistent setup issues.

Voice control might stop working even when the plug responds to the app. This typically indicates an issue with the voice assistant integration. Go to your Alexa or Google Home app and disable then re-enable the Smart Life skill. Rediscover devices afterward. This refresh usually restores voice control functionality.

User Reviews and Customer Feedback

Customer reviews for the BN-LINK smart plug are generally positive. The device maintains ratings around 4.1 to 4.2 out of 5 stars on Amazon with over 22,000 reviews. Users frequently praise the affordable price and reliable performance. Many reviewers mention they bought additional units after trying their first pack. The ease of setup receives consistent positive feedback from users of all technical skill levels.

Satisfied customers highlight the responsive app control and quick voice command execution. People appreciate how the plugs help them reduce energy consumption through scheduling. The energy monitoring feature, when available, gets positive mentions for its accuracy and usefulness. Users like grouping multiple plugs to control whole rooms with single commands.

Critical reviews typically focus on connectivity issues. Some users experience difficulty maintaining stable WiFi connections. These complaints often come from homes with weak WiFi signals or complex network setups. A smaller number of users report units that failed within the first few months. However, these failure reports represent a small percentage of total customers.

The lack of Apple HomeKit support frustrates some buyers. Several reviews mention disappointment about this limitation after purchase. Users in Apple-centric households recommend checking compatibility before buying. Some reviewers wish the plug featured a physical power button for manual control without requiring the app or voice commands.

Overall, the positive reviews significantly outnumber negative ones. Most users feel they received good value for their money. The product works well for people seeking affordable entry into smart home automation. The general consensus suggests the BN-LINK smart plug delivers on its promises when used within its designed capabilities and limitations.

Comparison with Competing Smart Plugs

The smart plug market offers numerous options at various price points. The TP-Link Kasa Smart Plug competes directly with BN-LINK in features and price. Kasa plugs cost slightly more but offer similar functionality. Users report that Kasa plugs have a more polished app experience and slightly better build quality. However, the price difference makes BN-LINK more attractive for budget-conscious buyers.

The Amazon Smart Plug provides seamless Alexa integration as expected from an Amazon product. However, it only works with Alexa and not Google Home. This limitation makes it less versatile than the BN-LINK plug. The Amazon plug costs more per unit and lacks energy monitoring. It makes sense primarily for people deeply invested in the Alexa ecosystem.

Wyze Smart Plugs offer excellent value and build quality. They cost slightly more than BN-LINK but include energy monitoring standard. The Wyze app receives praise for its clean interface and responsive performance. However, some users prefer the Smart Life app’s broader compatibility with other smart home devices. Wyze plugs work with both Alexa and Google Assistant like BN-LINK models.

Premium options like Wemo and Leviton smart plugs cost significantly more. These brands offer better build quality, HomeKit support, and premium customer service. However, their basic functionality matches budget options like BN-LINK. Unless you need HomeKit compatibility or prefer premium brands, the extra cost proves hard to justify for most users.

The BN-LINK smart plug holds its own against competitors in the budget category. It delivers essential features without unnecessary frills or high prices. The choice between BN-LINK and alternatives often comes down to specific needs, existing smart home ecosystems, and personal preferences rather than dramatic performance differences.

Environmental Impact and Energy Savings

Smart plugs contribute to environmental conservation through better energy management. The BN-LINK smart plug helps you reduce unnecessary power consumption. Phantom power drain from devices in standby mode accounts for 5 to 10 percent of residential electricity use. By scheduling devices to turn off completely when not needed, you eliminate this waste.

The energy monitoring feature helps you identify power-hungry appliances. You might discover an old space heater uses twice as much electricity as you thought. This information empowers you to make better decisions about appliance use and replacement. Replacing inefficient devices with modern alternatives can significantly reduce your environmental footprint.

Scheduling outdoor lights to match actual darkness hours prevents unnecessary illumination. Many people leave outdoor lights on much longer than needed because manual control proves inconvenient. Smart plugs automate this process, ensuring lights only operate when necessary. This reduces both energy consumption and light pollution in your neighborhood.

The automated control of heating and cooling devices provides substantial savings. You can ensure space heaters and fans only run when you are home or in specific rooms. The ability to turn off forgotten devices remotely prevents wasted energy. Users report energy bill reductions of 10 to 20 percent after implementing smart plugs throughout their homes.

However, smart plugs themselves consume a small amount of power continuously. Each plug draws approximately 1 to 2 watts when in standby mode. This consumption is minimal but worth considering if you use many plugs. The energy saved by managing your appliances almost always exceeds the plug’s own consumption. Overall, the environmental benefits clearly outweigh the minor power draw of the smart plugs themselves.

Final Verdict and Recommendations

The BN-LINK smart plug earns a strong recommendation for budget-conscious smart home enthusiasts. The device delivers reliable performance at an unbeatable price point. You get essential smart plug features including voice control, scheduling, remote access, and energy monitoring (on select models). The setup process is straightforward, and the Smart Life app provides intuitive control.

This smart plug works best for people starting their smart home journey. The low price allows you to experiment with automation without major financial commitment. You can add several units throughout your home affordably. The device also suits renters who want smart home features without permanent modifications. Simply unplug and take your smart plugs when you move.

The BN-LINK smart plug performs well for typical household applications. It handles lamps, fans, coffee makers, and similar devices effectively. The 15-amp capacity covers most common use cases safely. The voice control integration with Alexa and Google Home works reliably. The scheduling features help you save energy and add convenience to your daily routine.

However, this plug might not suit everyone. Apple HomeKit users should look elsewhere, as BN-LINK lacks this compatibility. People wanting premium build quality or top-tier customer service might prefer more expensive alternatives. Users in homes with weak WiFi signals might experience connection issues. The standard indoor model should not be used outdoors without purchasing the weatherproof version.

For most users seeking affordable smart home automation, the BN-LINK smart plug represents excellent value. The device performs its core functions well without unnecessary complexity. The money saved compared to premium brands allows you to invest in additional smart home devices. If you want reliable, budget-friendly smart plugs in 2025, BN-LINK deserves serious consideration.

Frequently Asked Questions

Does the BN-LINK smart plug work without WiFi once it is set up

No, the BN-LINK smart plug requires an active WiFi connection to function. Without WiFi, you cannot control the plug through the app or voice commands. However, if you lose internet connection, the plug will continue running any schedules you previously set. The device stores these schedules locally. But you cannot make changes or control it manually without restoring the WiFi connection.

Can I use the BN-LINK smart plug with 5GHz WiFi networks

No, the BN-LINK smart plug only works with 2.4GHz WiFi networks. Most modern routers broadcast both 2.4GHz and 5GHz bands. You need to ensure your phone connects to the 2.4GHz network during setup. Some users need to temporarily disable the 5GHz band or create a separate 2.4GHz network name. After setup, you can switch your phone back to 5GHz while the plug stays on 2.4GHz.

How many amps can the BN-LINK smart plug handle safely

The BN-LINK smart plug supports up to 15 amps at 125 volts. This equals a maximum power of 1875 watts. This capacity handles most household appliances including lamps, fans, coffee makers, and space heaters. Do not use the plug with high-power appliances like air conditioners, washing machines, or power tools that exceed these ratings. Overloading the plug creates fire hazards and will damage the device.

Is the BN-LINK smart plug compatible with Apple HomeKit and Siri

No, the BN-LINK smart plug does not support Apple HomeKit or Siri voice control. The device only works with Amazon Alexa and Google Assistant. If you want to control smart plugs using Siri or integrate them into Apple HomeKit scenes, you need to choose alternative brands. Some options that support HomeKit include Wemo, Leviton, and Eve Energy smart plugs.

Can multiple people control the same BN-LINK smart plug

Yes, you can share control of BN-LINK smart plugs with other people. The Smart Life app includes a sharing feature that lets you grant access to family members. Each person needs their own Smart Life account. You send them an invitation through the app, and they accept it on their device. After that, everyone can control the shared plugs independently. This works great for families who want everyone to access the smart home controls.

How do I reset my BN-LINK smart plug to factory settings

You can reset the BN-LINK smart plug by pressing and holding the power button for 5 to 10 seconds. The LED indicator will start flashing rapidly, indicating the device has reset. This erases all settings including WiFi credentials and schedules. You will need to set up the plug again through the Smart Life app. Reset the plug when changing WiFi networks, giving it to someone else, or troubleshooting persistent connection problems.

Last update on 2026-01-15 / Affiliate links / Images from Amazon Product Advertising API