Best Rated Small Chainsaws: Top 10 Picks for Precision Cutting

Trying to manage thick branches with a bulky, heavy chainsaw can quickly drain your energy and patience. Corded models tangle and limit movement, turning simple trimming into an ordeal. If you want precision without the hassle, clunky gear isn’t the answer.

The Tietoc Mini Electric Chainsaw offers a featherweight 3.3 pounds paired with an 880-watt motor for smooth 6-inch cuts without fatigue. BLACK+DECKER’s 20V MAX model pushes into the mid-size range with a 10-inch bar and longer battery life, tackling medium branches effectively.

SEESII’s 40V cordless chainsaw zooms beyond with a 16-inch bar and 2000 watts, perfect for heavy-duty cuts when bigger jobs call for serious power.

Discover the Best Rated Small Chainsaws for Every Task

Maximize efficiency and ease with compact chainsaws designed for precision and power. Explore high-performance models that deliver reliable cutting for a variety of outdoor tasks.

1. Tietoc 6-Inch Cordless Mini Chainsaw with High-Power Motor and Auto Oiler System

Handling thick branches and precise trims without the bulk of traditional chainsaws has never been easier. Equipped with an 880-watt motor, this compact saw slices through 6-inch wood branches smoothly and efficiently, putting impressive cutting power in a lightweight package.

Weighing just 3.3 pounds, its slim design reduces arm fatigue and is accessible for users who struggle with heavier tools. The cordless setup eliminates tangled cords, enhancing maneuverability during garden maintenance or campsite preparation.

Maintenance is streamlined thanks to the automatic chain lubrication system, which keeps the manganese steel chain running with less wear and tear through consistent oil application. The removable 2000mAh battery supports extended outdoor use without interruption, while built-in protections help sustain battery health.

Thoughtfully designed safety features—including a dual-action lock, anti-slip handle, and a guard to prevent splatter—offer confidence during operation. Tietoc integrates durable, flame-retardant materials ensuring robust construction suitable for varied gardening tasks.

Best for: Gardeners and homeowners needing a practical, lightweight tool for trimming branches and performing garden upkeep with ease and precision.

Pros:

• High-powered 880-watt motor for effective cutting
• Lightweight and ergonomic for comfortable handling
• Auto oiler system prolongs chain lifespan
• Removable rechargeable battery ideal for fieldwork
• Multiple safety features for secure operation

Cons:

• May requires oiling fluid not included with purchase

2. BLACK+DECKER 20V MAX 10 Inch Cordless Electric Chainsaw with Automatic Oiler and Safety Features

Cutting through small to medium branches becomes straightforward with this efficient battery-operated chainsaw. The 20V MAX lithium battery delivers extended run-time, allowing uninterrupted work on your outdoor projects. Equipped with a 10-inch bar and sharp chain, rapid and smooth slicing is possible, reducing effort without sacrificing precision.

Adjustments stay hassle-free thanks to the tool-less chain tensioning system that simplifies maintenance while on the go. Safety receives considerable attention through a lock-off button that prevents accidental starts and a front hand guard to shield from flying debris, keeping user protection in clear focus. BLACK+DECKER’s design balances power and control, aiming to reduce the jarring effects of kickback.

The automatic oiler continuously lubricates the bar and chain, ensuring they remain cool and efficient throughout use, which minimizes wear and saves time on manual upkeep. Its lightweight build at under 7 pounds also enhances maneuverability for extended cutting tasks.

Best for: Homeowners and garden enthusiasts looking for a reliable, cordless tool to handle shrub trimming, firewood cutting, and general yard maintenance with ease and safety.

Pros:

• Long-lasting 20V MAX lithium battery for cordless convenience
• 10-inch sharp chain crafted for smooth, precise cuts
• Automatic oiling system for continuous lubrication
• Tool-less chain tensioning for quick adjustments
• Safety features including lock-off button and front hand guard

Cons:

• Limited cutting capacity with a 10-inch bar may restrict larger jobs

3. SEESII Powerful 40V Cordless Electric Chainsaw with 16-Inch Bar & Auto Oiler

Cutting thick logs and wide branches becomes a quicker task with the robust 2000W motor powering this cordless saw. Designed for uninterrupted performance, its native 40V brushless motor delivers consistent, high-torque power without the dips common in dual-battery setups, enabling smooth, stall-free cutting with speed reaching 34.8 feet per second.

The 16-inch guide bar is ideal for demanding outdoor chores like firewood processing and storm cleanups. Its built-in automatic chain oiler with a 150ml reservoir keeps the chain lubricated, reducing friction and lengthening tool life while avoiding messy manual oiling routines.

Thanks to a lightweight design at just over 10 pounds, you gain better control during prolonged use, which lessens fatigue and allows for more accurate cuts. Tool-free chain tensioning allows swift, hassle-free adjustments that ensure optimal performance and user safety throughout your project.

Equipped with triple safety features including a chain brake, safety lock, and overload protection, this electric saw offers reliable operation along with protective gloves and goggles for immediate readiness. Two 40V 4000mAh batteries provide up to 90 minutes of runtime, backed by a fast charging system for minimal downtime.

Seesii’s cordless chainsaw kit comes fully loaded with everything needed right away, making it an efficient choice for homeowners and DIY enthusiasts invested in durable and portable cutting power.

Best for: Homeowners and outdoor workers needing reliable cordless performance for medium to large wood cutting tasks with minimal maintenance.

Pros:

• Native 40V brushless motor for consistent high power output
• Automatic chain oiler reduces manual upkeep and prevents overheating
• Lightweight design at 10.3 lbs enhances user control and reduces fatigue
• Tool-free chain tensioning for quick and safe adjustments
• Dual 4000mAh batteries deliver extended runtime of up to 90 minutes

Cons:

• May require occasional chain sharpening during heavy use to maintain cutting speed

4. CRAFTSMAN Compact 10-Inch Cordless Mini Chainsaw with V20 Battery Kit

Handling branches up to 8 inches thick becomes more manageable with a compact tool designed for precision and ease. This electric chain cutter weighs just under 8 pounds yet provides a robust 1.5 KW motor, ensuring steady cutting power where you need it most.

The inclusion of a V20 max 2.0Ah lithium-ion battery brings cordless freedom, eliminating cords without sacrificing consistent performance. An auto-oiling mechanism keeps the chain lubricated continuously, reducing downtime and maintenance hassles during pruning or trimming tasks.

Chain tension adjusts quickly and securely via a bolt lock system, helping maintain optimal cutting tension over extended use. Its 10-inch bar length offers a nice balance between control and reach, while the lightweight, handheld design supports prolonged use without fatigue.

Integration with VERSATRACK wall systems via the built-in hook supports organized storage, while the kit bundles everything needed for immediate operation—battery, charger, wrench, and protective bar cover—streamlining the setup process.

CRAFTSMAN’s build quality shines through here by focusing on efficient power delivery, routine upkeep simplicity, and user comfort, making it a practical choice for small-scale cutting and trimming projects.

Best for: Homeowners and gardening enthusiasts needing a lightweight, cordless tool to manage tree limbs and shrubbery with minimal effort.

Pros:

• Compact and lightweight for easy maneuvering
• Powerful 1.5 KW motor with lithium battery operation
• Automatic chain lubrication reduces maintenance
• Quick, user-friendly bolt lock chain tensioning
• Compatible with VERSATRACK for organized storage

Cons:

• Battery life might limit extended heavy-duty cutting sessions
• Bar length may restrict use on larger diameter logs

5. WORX 20V Cordless PowerShare Compact 10-Inch Chainsaw with Auto-Tension

Maintaining the right tension on your saw chain can feel like a hassle, but WORX solves that with its auto-chain tension system that adjusts without tools. The 20V cordless design eliminates the mess and restriction of gas or cords, giving you freedom to move around any yard or job site with ease.

Weighing just 6.2 pounds, this lightweight chainsaw reduces fatigue during extended use while still delivering a fast chain speed of 12.5 ft/s that handles logs and branches efficiently. WORX’s automatic chain lubrication lets you focus on cutting instead of constant upkeep, while the built-in oil level indicator keeps you informed.

Powered by the same battery platform that runs over 75 tools in the brand’s PowerShare lineup, the included 20V battery offers versatile power that can adapt to many tasks. Compact but tough, this model balances maneuverability with the ability to make clean, quick cuts for typical outdoor maintenance.

Ideal for anyone tired of bulky or complicated equipment, the WG322 integrates smart features to deliver a reliable cutting experience with fewer interruptions or adjustments. Its thoughtful design invites users to rethink what a small chainsaw should deliver.

Best for: Homeowners and yard workers who prioritize ease of use and mobility in a lightweight, cordless chainsaw.

Pros:

• Tool-free automatic chain tension system
• Lightweight design for less user fatigue
• Automatic chain lubrication with oil level indicator
• Compatible with PowerShare battery system for multipurpose use
• Fast chain speed delivering efficient cuts

Cons:

• 10-inch bar length might limit cutting capacity on larger logs

6. DEWALT 20V MAX Lightweight 8-Inch Pruning Saw with Long-Lasting Brushless Motor

Accessing tight spaces often means choosing tools that combine portability with power. This pruning saw features a high-efficiency brushless motor that extends run time and elevates motor durability, allowing you to handle yard work with ease and confidence.

Weighing just over 2 kilograms, its lightweight design significantly reduces user fatigue, enabling longer use without discomfort. The compact build isn’t just for convenience—it lets you maneuver smoothly around branches and obstacles, tackling precision pruning tasks where bulkier options fall short.

Continuous chain lubrication is handled by the built-in auto-oiling system, which keeps performance consistent and the chain sharper over time. Adding to stability, the tip guard helps prevent unwanted kickbacks during upcuts, providing safer control on challenging cuts.

Powered by the DEWALT 20V MAX battery platform (battery sold separately), it delivers enough juice to make up to 70 cuts on treated pine, making it a reliable companion for extended pruning sessions. The 8-inch chain length is well-suited for detailed trimming and small to medium branch cutting.

Best for: Gardeners and homeowners who need a nimble yet powerful tool for routine trimming and yard tidying tasks.

Pros:

• Compact and lightweight for less fatigue during use
• Brushless motor maximizes battery life and tool longevity
• Continuous lubrication with auto-oiling system
• Tip guard enhances stability and safety in tricky cuts
• Compatible with 20V MAX batteries for extended run time

Cons:

• Limited to an 8-inch chain, which might be insufficient for larger cutting jobs

7. SKIL PWR CORE 40V 14″ Lightweight Cordless Chainsaw Kit with Brushless Motor and Fast Charging

Getting through dense branches or stubborn stumps often demands a tool that balances power and portability. SKIL tackles this with a cutting-edge cordless saw featuring a digital brushless motor engineered for swift, efficient cutting.

Experience enhanced run time and battery longevity courtesy of the PWR CORE 40 lithium battery, wrapped in cooling material to maintain peak performance longer than most in its class. The included Auto PWR JUMP charger rejuvenates battery power rapidly, going from zero to 30% in just 15 minutes—keeping interruptions to a minimum.

Adjusting your cutting speed on the fly becomes effortless by using the tool-less chain tension dial, avoiding the hassle of extra tools mid-job. Continuous operation stays smooth with an auto-lubricating system that reduces friction and wear on the chain.

Safety isn’t an afterthought; an anti-kickback brake cuts power instantly during kickback, giving you confidence in every stroke. The weather-resistant construction ensures the tool remains durable under varying outdoor conditions. SKIL’s thoughtful design and power deliver strong performance in a compact package.

Best for: Homeowners and outdoor enthusiasts who need a reliable, cordless saw for tackling a variety of yard maintenance tasks with power and ease.

Pros:

• Brushless motor providing efficient, high-performance cutting
• PWR CORE 40 battery technology with extended run time and lifespan
• Rapid 15-minute charging for quick job resumption
• Convenient tool-less chain tensioning
• Built-in auto lubrication and anti-kickback safety feature

Cons:

• 14-inch bar length may limit cutting capacity on larger trees

8. Greenworks 48V Cordless 14-Inch Electric Chainsaw with Dual 4.0Ah Batteries

Managing fallen limbs and cutting firewood with minimal fuss can transform yard work. Powered by a brushless motor, this Greenworks saw delivers twice the torque of conventional motors, enhancing cutting power and extending operational life quietly and efficiently.

Its dual 24V batteries combine for a robust 48V output, allowing for up to 150 cuts on standard 4×4 lumber on a single charge. The effortless push-button start means you bypass the hassles of gas engines—no carburetor, spark plugs, or starter ropes to contend with.

Automatic oiling ensures consistent lubrication, reducing chain wear and boosting your productivity without interrupting the flow. The tool-free tension adjustment lets you maintain proper chain tightness in moments, which can make all the difference in sustained performance.

At just over 5 kg, this chainsaw balances power with manageable weight, suited for extended use or pruning tasks around your property. Greenworks has engineered a setup that focuses on easy maintenance and extended runtime to keep you cutting longer and with less downtime.

Best for: Homeowners needing efficient and quiet power for cutting limbs, tree felling, and firewood preparation.

Pros:

• Brushless motor for higher torque and longevity
• Dual 24V batteries for extended runtime
• Automatic chain lubrication
• Tool-free chain tensioning
• Lightweight and easy push-button start

Cons:

• Battery runtime might require recharging during large projects
• 14-inch bar length may limit cutting capacity on bigger trees

9. Makita XCU11Z 18V LXT Cordless 14-Inch Brushless Compact Chain Saw Tool Only

Cutting through thick branches or trimming trees becomes less of a chore with a lightweight and portable design tailored for easy handling. The compact body rear handle enhances maneuverability, allowing you to work in tight spaces or awkward angles with a natural grip that feels balanced and controlled.

Powered by a Makita-built brushless motor, this saw packs a serious punch, delivering increased torque and top speeds around 1,520 feet per minute. At the same time, it operates with noticeably reduced noise levels compared to traditional gas models, making it a quieter option for residential or neighborhood use.

By eliminating gas, emissions, and the hassle of fuel mixing or pull starts, this tool simplifies maintenance and startup. Battery operation adds convenience as well, while weighing just 10 pounds to help reduce fatigue over extended periods of use.

Equipped with a 14-inch guide bar and sharp chain, the saw is ready to tackle demanding tasks while remaining nimble enough for lighter pruning. The branded engineering ensures consistent cutting power and durability in a handheld size you can easily manage.

Best for: Homeowners and outdoor enthusiasts needing a portable yet powerful solution for regular tree care and small to medium cutting jobs.

Pros:

• Brushless motor for high torque and efficiency
• Quiet operation compared to gas-powered saws
• Compact, ergonomic rear handle for enhanced control
• Battery-powered with no emissions or fuel mixing
• Includes 14″ guide bar and chain for versatile cutting

Cons:

• May require multiple batteries for extended heavy-duty use

10. RYOBI Compact 18V Brushless Mini Chainsaw Kit with High-Speed Cutting Performance

Speed through light limbing and pruning projects with an impressive 40% quicker cutting action powered by advanced technology when combined with a compatible battery. The compact design enhances maneuverability, fitting comfortably in tighter spaces where precision matters most.

An oil-free mechanism reduces mess and cleanup, making every use cleaner and more convenient. Adjustments become effortless thanks to a tool-less chain tensioning system, allowing you to keep optimal cutting performance without interrupting your workflow.

RYOBI’s inclusion of a robust 18V battery and charger ensures the chain saw is ready to tackle tasks right out of the box, balancing power and portability in a lightweight tool weighing just 3.7 pounds. Its 6-inch cutting bar delivers controlled cuts, ideal for trimming around your garden or yard.

The brushless motor technology not only improves efficiency but contributes to extended tool life and better runtime, crucial for those who need reliable, uninterrupted service. Compact size does not compromise capability here; instead, it ensures the tool is easy to handle and store.

Best for: Gardeners and homeowners focusing on branch pruning and light wood cutting tasks requiring a nimble yet powerful solution.

Pros:

• 40% faster cutting with HP technology for efficiency.
• Compact and lightweight for ease of use and storage.
• Oil-free system promotes clean, hassle-free operation.
• Tool-less chain tensioning allows quick adjustments.
• Includes battery and charger for immediate use.

Cons:

• Battery sold separately to achieve peak cutting speed might require additional purchase.

Key Specs Compared: Top Best Rated Small Chainsaws Feature Analysis

Product Name	Power	Chain Length	Weight	Chain Speed
Tietoc Mini Electric Cordless	880 watts	6 inches	3.3 pounds	28.6 FT/s
BLACK+DECKER 20V MAX	5 hp	10 inches	6.8 pounds	Not Specified
SEESII 40V Brushless Electric	2000 watts	16 inches	10.3 pounds	35 FT/S
CRAFTSMAN V20 Cordless	1.5 KW	10 inches	7.9 pounds	Not Specified
WORX 20V Cordless Auto-Tension	1 hp	10 inches	6.2 pounds	12.5 FT/S
DEWALT 20V MAX Pruning	2.8 hp	8 inches	2.09 kg	Not Specified
SKIL PWR CORE 40 Brushless	3.5 hp	14 inches	11.5 pounds	Not Specified
Greenworks 48V Brushless	3.6 hp	14 inches	5.2 kg	Not Specified

What Should You Look for in the Best Rated Small Chainsaws?

Picking a small chainsaw can be tougher than it looks since the right features make all the difference between a hassle and a smooth cut. Understanding what to zero in on helps you avoid common pitfalls and get the perfect tool for your needs.

Power and Motor Type

Power defines how easily your chainsaw slices through wood, making it the core factor for performance. Whether it’s measured in watts or horsepower, this spec hints at the tool’s cutting ability, especially important for dense or thick branches.

Electric chainsaws often feature brushless or brushed motors. Brushless motors, like those in the SEESII 40V (2000 watts) or Greenworks 48V models, improve efficiency by reducing friction and heat, extending run time. Gas alternatives pack more grunt but demand more upkeep. The motor’s wattage or horsepower directly dictates the chain speed and torque, impacting cutting speed and smoothness.

Ignoring motor power can leave you struggling with slow cuts and overworked batteries. A weak motor often stalls on thicker wood, draining battery quickly and wearing out the tool prematurely. Aim for at least 1.5 kW or around 2 hp for tackling moderate to dense branches without frustration.

Chain Length and Bar Size

Chain length governs the maximum size of branches or logs you can cut in one pass. Small chainsaws usually have bars between 6 and 16 inches, and choosing the right length affects versatility and ease of handling.

For example, the Tietoc Mini’s 6-inch bar is ideal for precise trimming and small limbs, while the SEESII’s 16-inch bar can tackle larger logs and firewood. A longer bar means wider cuts per stroke but adds weight and potentially reduces maneuverability. Shorter bars offer control but require more passes for bigger cuts.

Overlooking bar size can result in either underpowered capacity for your projects or a tool too heavy and unwieldy. Choosing the wrong bar length leads to inefficiency—too small means tedious, slow work; too large means fatigue and less precision.

Weight and Ergonomics

Weight directly influences how long you can use the chainsaw comfortably. Ergonomics ties into balance, grip, and overall user comfort, making it crucial for both novices and seasoned users.

Chainsaws like the Tietoc (3.3 pounds) and DEWALT pruning saw (about 4.6 pounds) keep fatigue low during extended sessions thanks to lightweight frames and slim profiles. Features such as cushioned handles and well-placed controls enhance grip and reduce vibrations, helping to prevent arm and wrist strain.

Ignoring weight factors can quickly turn a productive task into an exhausting chore. Heavy or poorly balanced chainsaws cause early fatigue and possible injury due to poor control. Prioritize models under 8 pounds with ergonomic grip designs for easier maneuvering.

Battery Life and Charging Convenience

For cordless small chainsaws, battery capacity and recharge time shape how long you can work uninterrupted. It’s a key factor affecting efficiency on job sites or large yards.

Look for lithium-ion batteries with higher amp-hours (Ah) for longer runtime. Brands like Greenworks use dual 4.0Ah batteries combining for intense 48V output, powering up to 150 cuts per charge. Fast chargers, like SKIL’s Auto PWR JUMP, reduce downtime, and compatibility with existing batteries extends value. Battery management features such as cooling or brushless motors can maximize run time.

Disregarding battery specs risks frequent pauses and slower progress. Low-capacity batteries lead to frustrations and multiple charge cycles. Choose chainsaws with batteries that offer a minimum of 2.0 Ah and compatible fast charging for sustained work sessions.

Chain Maintenance and Tensioning

Keeping the chain properly tensioned and lubricated is non-negotiable for safety and cutting effectiveness. This factor directly impacts the saw’s longevity and user experience.

Modern chainsaws like WORX feature an auto-chain tension system that adjusts the chain tightness without tools, saving hassle during use. Automatic oilers, found on multiple top models including Tietoc and BLACK+DECKER, continuously lubricate the chain to lower friction and prevent overheating. Manual tensioning can be tricky and time-consuming if not designed well.

Ignoring chain care leads to dull cuts, increased wear, and higher accident risk from chain slippage or breakage. Poorly maintained chains reduce cutting speed and force the user to stop frequently for fixes, disrupting workflow and increasing fatigue.

Safety Features

Effective safety elements protect users from kickbacks, accidental starts, and injury—critical when handling fast-moving chains with sharp teeth.

Many small chainsaws incorporate chain brakes, low kickback chains, and trigger locks. For instance, BLACK+DECKER offers multiple built-in safeguards like automatic chain brakes activated by sudden movements. Additional features may include hand guards and electric brake motors that halt the chain instantly on release.

Skipping on safety considerations can lead to dangerous situations, especially for beginners. A saw without proper protection increases the chance of injuries and creates a stressful environment. Choosing a chainsaw with multiple safety layers is an investment in both security and confidence during operation.

Frequently Asked Questions

What factors make a small chainsaw the best rated for home use?

Performance and ease of use are key reasons some small chainsaws stand out in home applications. Compact models with balanced weight, sufficient motor power, and safety features tend to receive higher ratings for typical yard tasks.

For instance, a chainsaw like the Tietoc 6-inch cordless saw weighing 3.3 pounds provides maneuverability alongside enough power to cut through garden branches efficiently.

Look for a design that combines automatic oiling systems and cordless operation to reduce maintenance and increase convenience.

How does chain length affect the functionality of a small chainsaw?

The choice of chain length influences the size of branches you can handle and the type of work the chainsaw can perform effectively. Smaller chainsaws with 6 to 10-inch bars excel at trimming and light pruning, while longer bars around 14 to 16 inches manage thicker wood and more demanding cuts.

The SEESII 40V model, for example, comes with a 16-inch bar, suited for larger logs and tougher yard work, making it less ideal for fine detail tasks.

Avoid choosing a chainsaw with a bar that’s unnecessarily long if your main tasks involve precise trimming in confined spaces.

Are cordless small chainsaws powerful enough for heavy-duty cutting?

Cordless small chainsaws vary in power but many now match lighter gas-powered models for household and some professional chores, especially with brushless motors and high-voltage batteries. Models rated between 880 watts and 2000 watts deliver solid cutting power for medium branches and firewood.

The 40V SEESII saw, with its brushless 2000W motor, offers remarkable torque and speed, making it capable of more intensive usage than most basic electric alternatives.

Ensure you select a cordless saw with adequate battery capacity and motor strength relative to your typical cutting demands to avoid stalling and slow cuts.

What are the advantages of automatic chain oilers in small chainsaws?

Automatic chain oilers maintain optimal lubrication without manual effort, extending chain life and improving cutting smoothness. This feature is especially useful during extended use, preventing overheating and wear.

Many best rated models, such as the BLACK+DECKER 20V MAX and the WORX 20V cordless saws, incorporate automatic oiling systems to keep the chain consistently lubricated.

Regularly check oil levels and refill as needed to maximize performance and avoid damage from dry cutting.

How important is the weight of a small chainsaw compared to power?

Weight impacts how long you can use the chainsaw comfortably and how easily you can maneuver it. Lightweight models reduce arm fatigue and improve precision, while heavier models tend to pack more powerful motors but can tire users faster.

The Tietoc mini saw at 3.3 pounds contrasts with more powerful yet heavier saws like SKIL’s 11.5-pound unit, illustrating the trade-off between portability and raw power.

Match the saw weight to your physical strength and usage duration to maintain control and prevent strain or injury during operation.

Finding Your Ideal Small Chainsaw

Selecting the right small chainsaw bridges the gap between cumbersome tools and effortless cutting, transforming difficult yard jobs into smooth, precise work. With a well-suited chainsaw, you gain both efficiency and control, making tasks like trimming branches easier than ever.

Compact, lightweight models are perfect for intricate pruning, while mid-sized chainsaws handle general yard maintenance. For heavy-duty cutting, opt for more powerful saws designed to tackle thicker wood with confidence and durability.

Always prioritize regular chain maintenance and proper lubrication to ensure safety and longevity. Be mindful of your chainsaw’s size and weight to avoid fatigue, and never overlook following manufacturer guidelines during operation.

Last update on 2026-11-02 / Affiliate links / Images from Amazon Product Advertising API