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Best high-speed performance APIs

OneCompiler

Tools & Utilities

Fast & reliable online code compilation and execution of APIs for 50+ languages & databases

Free 7-Day Trial

100% uptime 75ms avg MCP ready

Fast Forex API

Finance & Payments

The Fast Forex API accelerates currency exchange processes, delivering swift and accurate real-time data for seamless global transactions.

Free 7-Day Trial

100% uptime 94ms avg MCP ready

Image Enhancement API

Visual Recognition & Imaging

The Image Enhancement API utilizes cutting-edge Super Resolution technology to enhance image quality and upscale resolution by up to 4X. With this API, developers can effortlessly improve the visual clarity and detail of images, providing a superior viewing experience for users.

Free 7-Day Trial

100% uptime 777ms avg MCP ready

Capture Website Performance API

Data & Analytics

Capture essential performance data for your website to identify areas for improvement in real-time.

Free 7-Day Trial

100% uptime 173ms avg MCP ready

Digital Performance Analyzer API

Data & Analytics

Access detailed competitive metrics, SEO data, and web traffic insights for optimizing digital strategies.

Free 7-Day Trial

100% uptime 620ms avg MCP ready

Image Contrast Enhancement API

Visual Recognition & Imaging

Enhance the contrast of overly dark or bright images, making them more vivid and visually appealing with the Image Contrast Enhancement API.

100% uptime MCP ready

US State Speed Limit Information Extractor API

Location & Mapping

Extract detailed US state speed limit information for better route optimization and safety features.

Free 7-Day Trial

100% uptime 55ms avg MCP ready

Speed Limit Data for US States API

Location & Mapping

Easily get speed limit data across US states, ensuring accurate information for drivers and developers.

Free 7-Day Trial

100% uptime 55ms avg MCP ready

Retrieve Web Data Speed Test API

Tools & Utilities

Quickly assess the efficiency of your site using the Retrieve Web Data Speed Test API for optimal performance insights.

Free 7-Day Trial

100% uptime 527ms avg MCP ready

Smart Beauty API

Visual Recognition & Imaging

Enhance facial beauty in images using GAN technology with our Smart Beauty API, supporting up to 18 faces per image.

100% uptime MCP ready

Website Performance Analyzer API

Data & Analytics

Analyze any web page URL to obtain detailed performance metrics, information about JavaScript execution, data on layout stability, and caching efficiency.

Free 7-Day Trial

100% uptime 18,705ms avg MCP ready

Page Speed Analyzer API

Data & Analytics

Be able to run an extensive analysis of your page speed with this API. Ideal to know about your page performance.

Free 7-Day Trial

100% uptime 11,821ms avg MCP ready

Face Beauty API

Visual Recognition & Imaging

Enhance facial beauty in images with our Face Beauty API, offering customizable adjustments for skin smoothing, whitening, sharpening, and more.

98% uptime MCP ready

Image Upscaler API

Visual Recognition & Imaging

Enhance image resolution, detail, and texture while reducing noise with our Image Upscaler API, supporting 2-4x resolution enlargement with multiple output modes.

100% uptime MCP ready

Web Speed Test API

Data & Analytics

Evaluate web performance by measuring server-client metrics, detect common issues, and generate detailed automatic optimization suggestions.

Free 7-Day Trial

100% uptime 5,864ms avg MCP ready

Image Sharpness Enhancement API

Visual Recognition & Imaging

Enhance the sharpness of compressed and blurry images with the Image Sharpness Enhancement API, providing intelligent denoising and texture optimization for clearer and more natural visuals.