Stripe API
PaymentStandard for online payments. Monitoring the Stripe API ensures transaction flows remain uninterrupted.
Standard for online payments. Monitoring the Stripe API ensures transaction flows remain uninterrupted.
PayPal REST API for global commerce. Vital for maintaining checkout conversion rates.
Omnichannel payment processing for physical and digital storefronts.
PayPal-owned gateway focusing on mobile and web integration excellence.
Enterprise-level payment infrastructure for global merchants.
The leading payment gateway for the African market.
Full-stack financial services for businesses in India.
Reliable and secure payment gateway for small to medium businesses.
Decentralized cryptocurrency payment processor for merchants.
Blockchain-based payment service allowing Bitcoin and altcoin acceptance.
Buy now, pay later provider with seamless checkout integration.
Modern business banking and payment processing API.
Powerful LLM access for NLP, coding assistance, and creative tasks.
Next-generation AI safety-focused language models for enterprise.
Google’s multimodal AI for text, code, image, and video processing.
On-demand hosted inference for thousands of open-source models.
High-performance open-weight models optimized for efficiency.
Real-time information retrieval and search-centric AI API.
LPU-powered inference for ultra-fast large language model response.
Cloud platform for fine-tuning and running generative AI models.
Creators of Stable Diffusion, providing image generation APIs.
Competitive open-source LLM platform with strong coding capabilities.
Suite of vision, speech, and language services within Azure.
Production-ready speech-to-text and audio intelligence platform.
Core infrastructure management for Amazon Web Services instances.
Scalable object storage API for data backups and web assets.
Developer-friendly cloud platform for droplet and volume management.
Global cloud computing with simple API access for deployments.
Robust cloud hosting API for Linux virtual machine management.
High-performance cloud storage for data objects and blobs.
Deployment and management service for Azure cloud resources.
High-performance cloud servers with powerful API controls.
European leader in cloud hosting and dedicated server APIs.
Complete cloud ecosystem with compute, storage, and network APIs.
PaaS platform for deploying and scaling applications effortlessly.
Frontend cloud platform optimized for Next.js and static sites.
Global leader in programmable SMS, Voice, and WhatsApp APIs.
Omnichannel communication for customer service and notifications.
Reliable communication API for SMS, voice, and verification.
Transactional email delivery platform with high deliverability.
Developer-first email service for sending, tracking, and receiving.
Specialized in lightning-fast delivery for transactional emails.
Cost-effective bulk and transactional email service from AWS.
Backend-as-a-service for secure user authentication and login.
Adaptable authentication and authorization platform for developers.
Industry leader for mobile push and web notifications.
Real-time WebSocket infrastructure for apps and dashboards.
Global mobile engagement platform for SMS and messaging.
Automate DNS, security rules, and edge compute at the edge.
Edge cloud platform for lightning-fast content delivery.
World’s largest edge network for content delivery and security.
Simple, fast, and incredibly affordable global CDN.
High-performance edge services for developers and enterprises.
Simple and powerful content delivery network for static assets.
Integration platform for repository management and CI/CD.
DevOps platform for the entire software development lifecycle.
Programmatic access to real-time public conversations.
Manage Instagram media and engage with professional accounts.
Core data platform for the Facebook social graph.
Building bots and integrations for the world’s largest chat app.
Automate communication and workflows in professional teams.
Access community threads, comments, and user profiles.
Powerful platform for creating interactive chat bots.
Professional networking data for recruitment and marketing.
Integrate visual discovery and curation into applications.
Marketing and advertising tools for the TikTok platform.
Industry-standard mapping, routing, and location services.
Custom map design and location search for web and mobile.
Enterprise location data and automotive-grade routing.
Collaborative open-source map data for the global community.
Real-time IP geolocation and intelligence API.
Accurate IP address data, including location and ASN.
Vector and raster map tiles with global coverage.
High-detail specialized maps for outdoors and cycling.
Search engine for internet-connected devices and infrastructure.
Malware analysis and domain reputation checking platform.
Data breach tracking and password security verification.
Continuous visibility into global internet assets and security.
Identity management for modern enterprise environments.
Monitoring and security platform for cloud-scale apps.
Observability for engineers to monitor full-stack performance.
Developer security platform for finding and fixing vulnerabilities.
Access music metadata, playlists, and user playback.
Integrate YouTube video and channel data into applications.
Real-time data for live streaming and viewer engagement.
Connect Notion workspace data to external tools and apps.
No-code database API for building collaborative tools.
Project management and card organization for teams.
Customer service and ticket management automation.
CRM and marketing automation platform for growth.
E-commerce platform API for store and inventory management.
Distributed search and analytics engine for complex data.
Manage container images and automated build pipelines.
Integrate video conferencing and meeting management.
The most powerful photo engine in the world for developers.
Search and share the world’s largest library of animated GIFs.
Access game data, user profiles, and achievement stats.
In-depth statistics and leaderboards for Fortnite players.
Real-time cryptocurrency market data and price feeds.
Professional cryptocurrency market intelligence and data.
Access to space exploration data, imagery, and orbital info.
Global weather data and historical climate observations.
Real-time weather REST API for local and global cities.
Stock market data, financial statements, and company info.
Real-time and historical stock, forex, and crypto data.
Free stock market data APIs in JSON and CSV formats.
Foreign exchange rates and currency conversion API.
Simple and reliable currency conversion for 160+ currencies.
Check IP addresses for reports of spam, hacking, or DDoS.
Discover the technology stack used by any website.
Technology profiler identifying CMS, ecommerce, and more.
Market intelligence for digital rankings and web traffic.
Professional SEO and marketing data for online visibility.
World-class backlink and search traffic analysis tool.
Authority and keyword metrics for SEO experts.
Scrape Google and other search results with ease.
Raw data for SEO software and marketing platforms.
Fast and accurate IP geolocation with global database.
International phone number validation and carrier lookup.
Automated image and video management in the cloud.
Host and manage images for apps and social sharing.
Enterprise email API for delivery, marketing, and analytics.
In modern software architecture, API uptime is the backbone of user experience. Whether you are integrating payment gateways like Stripe or AI models like GPT-4, a single point of failure can halt your entire production line. Our tool provides a live socket-level check, bypassing cached status pages to give you real-time latency and connectivity data.
API latency measures the time it takes for a request to travel from your server to the API endpoint and back. High latency (>500ms) often indicates network congestion or regional routing issues. Use our API Latency Tester to benchmark different services before integration.
Our Manual API Checker supports custom hostnames and IP addresses. By testing via fsockopen and stream_socket_client, we verify if the port (usually 443 for HTTPS) is actually open and accepting traffic, which is more accurate than a simple ping.