🎟️Best Ticketing APIs

Threads Content Publishing & Scheduling SaaS. The simplest platform to schedule your Threads content and have an overview of your posts performance. Create content plans to grow your audience and reach monetization status.

meetergo is the most comprehensive meeting and engagement platform, replacing Calendly, Chili Piper, Doodle and more—cutting costs by up to 70%. Powered by calgent© AI, just CC calgent@meetergo.com on any email to auto-qualify leads, schedule only with the right prospects, update your CRM in real time, and send personalized follow-ups. meetergo includes video booking pages, unlimited events, multilingual support, custom availability, approval modes, payments, QR sharing, and built-in secure video calls. Teams get round robin, collective events, routing forms, team pages, SAML SSO, and resource booking. Added value includes digital business cards (NFC, QR, Wallet, branded profiles) and customer portals with calendars, reviews, and engagement tools. With automation, lead enrichment, CRM sync, workflows, and an API platform, meetergo unifies scheduling, intelligence, and growth—fully GDPR-compliant and EU-hosted.

Coursebricks is an all-in-one training management software that brings scheduling, registrations, payments, websites, CRM, and reporting into one powerful system. With Coursebricks you can publish courses directly to your website, accept payments without platform fees, and automate confirmations, reminders, certificates, and follow-ups. Everything from managing instructors and venues to processing transfers, cancellations, and refunds happens in one place, online and accessible anywhere. Whether you run classroom courses or live webinars, Coursebricks gives you the flexibility to scale, the insights to grow, and the freedom to focus on training instead of admin.

Google's Firebase is an entire app development platform that's packed with features.It comes with storage, cloud functions, monitoring and, of course, user authentication. The free tier comes with 50,000 MAUs. Beyond that pricing start at $0.0055/MAU and goes down to as low as $0.0025/MAU as you scale to millions of users. Firebase authentication supports email and password auth, phone auth, magic links, two-factor authentication and social identity providers - mainly Google, Google Play Games, Facebook, Apple, Microsoft, Twitter, GitHub and OAuth access tokens.

Clerk is a comprehensive user management and authentication platform designed to streamline how developers handle user accounts within web and mobile applications. It offers a suite of embeddable UI components—such as <SignIn/>, <SignUp/>, <UserButton/>, and <UserProfile/>—that integrate seamlessly into your application without redirecting users off-site. These components are fully customizable to match your brand, making the user experience cohesive and frictionless. Under the hood, Clerk provides a robust API and SDKs compatible with modern frameworks like Next.js, Remix, React, and Expo. It handles the entire authentication lifecycle, supporting multifactor authentication (MFA), session management, passwordless sign-in (via magic links or one-time passcodes), and traditional password-based methods with breach detection. The platform also integrates social sign-on (SSO) with over 20 providers, enabling quick user onboarding while adhering to security best practices. Clerk’s security posture includes SOC 2 Type 2 certification and CCPA compliance, with continuous third-party audits and penetration testing. Fraud prevention measures, like disposable email blocking and bot detection powered by machine learning, are built-in to reduce spam and abusive sign-ups. For B2B SaaS applications, Clerk provides advanced multi-tenancy features, enabling organization-based user management with custom roles, permissions, auto-join functionality based on email domains, and invitation systems—all accessible through both code and an admin dashboard. Developers benefit from rapid integration, significantly reducing the time spent on building authentication systems from scratch. Clerk acts as the single source of truth for user data and integrates seamlessly with popular backend services like Supabase, Firebase, and Convex. With free access for up to 10,000 monthly active users, it’s positioned as a scalable solution that grows with your application’s needs.

Auth0 is an identity and access management (IAM) platform designed to simplify authentication and authorization for applications. It provides a flexible solution that allows developers to implement secure login systems without having to build them from the ground up. Auth0 supports various authentication methods, including username-password credentials, social logins (like Google, Facebook, and GitHub), enterprise identity providers (such as Active Directory and SAML-based systems), and passwordless options. The platform is highly adaptable, offering over 30 software development kits (SDKs) that cater to a wide range of languages and frameworks—JavaScript, Python, .NET, iOS, Android, and more. This makes integration straightforward regardless of the tech stack. Beyond basic authentication, Auth0 offers advanced features like multi-factor authentication (MFA), single sign-on (SSO), and fine-grained authorization. These tools enable organizations to enforce complex access control policies, supporting both role-based (RBAC) and attribute-based (ABAC) models. Auth0 also addresses enterprise needs through features like user provisioning, directory synchronization, and support for B2B, B2C, and B2E use cases. It’s designed with scalability in mind, making it suitable for both startups and large enterprises. The platform’s extensibility allows developers to customize authentication flows, implement rules for conditional access, and integrate third-party services. Since its acquisition by Okta, Auth0 operates as a product unit under the Okta umbrella, complementing Okta’s broader suite of identity solutions while maintaining a developer-first focus. This combination brings together Okta’s enterprise-grade security with Auth0’s developer-centric approach, offering a comprehensive solution for modern identity challenges.

Supabase is the open-source alternative to Firebase. Like Firebase, it's a complete app development platform with user authentication, cloud functions, APIs, Postgres database, storage, vector embeddings, and other features. Supabase projects come with PostgreSQL's policy engine for fine-grained user access rules. It has social login integrations with Google, Facebook, GitHub, Azure (Microsoft), Gitlab, Twitter, Discord, and many more. They offer a customizable authentication component for React. Phone login and MFA can be added through third-party SMS providers such as Twilio or Bird. The free tier comes with 50,000 monthly active users. The Pro plan, at $25/month, comes with 100,000 MAUs and $0.00325/MAU beyond that.

Authentication made simple, secure, and scalable for your apps. Authsmith removes the pain of building secure authentication from scratch. In modern apps, auth is foundational but complex—difficult to implement securely, time-consuming to integrate across platforms, and easy to misconfigure. Authsmith provides a secure, drop-in solution that lets teams move fast without compromising safety.

The biggest advantage of Cognito is that it's a part of the AWS ecosystem and integrates well with other AWS services. The free tier comes with 50,000 MAUs and the price for each additional MAU starts at $0.0055/month and goes down to as low as $0.0025/month as you scale to tens of millions of users. It integrated with four federated identity providers - your users can sign up with Facebook, Google, Apple and Amazon.

Owlbot offers a cutting-edge AI-powered chatbot service that seamlessly integrates with your data to provide instant responses for you, your customers, or your team. Deploying a tailor-made AI chatbot with Owlbot is straightforward, enhancing both customer service and the efficiency of data analysis with minimal effort. Our AI chatbot is capable of handling 90% of inquiries from customers, clients, or employees effortlessly (>90 languages supported). It can import data from a variety of sources, including documents, markdown files, and webpages, ensuring that you receive precise, immediate answers. Additionally, you can connect the chatbot to your internal tools to access private data in real-time and provide timely responses. You can choose from 12 different large language models (LLMs), such as Mistral, OpenAI, and Anthropic, to find the option that best fits your needs. Owlbot also captures the details of interested visitors, helping you compile a list of potential leads and expand your business opportunities.

My personal favorite! Specializes in cruise bookings and offers a price guarantee. Features deals, discounts, and last-minute offers.

Foundy.com is the first AI-enabled platform specialising in long-term exit planning and successful M&A deal execution. Whether you're preparing for an exit within 1 to 36 months or exploring buy-side acquisition opportunities, Foundy offers an AI-powered SaaS platform combined with expert advisors who specialise in your company’s industry niche. We provide a comprehensive toolkit, including buyer and deal flow sourcing, templates and access to a thriving community of exited founders and buyers, all designed to maximise shareholder value and ensure a successful transaction. Foundy also has a generous referral programme for those who connect us with buyers or sellers.

Endura is the first comprehensive digital estate planning platform specifically designed to assist individuals and families in securely managing, storing, and distributing their digital assets. In an era where our lives are increasingly tied to the digital world, Endura offers a sophisticated and modern solution for managing online accounts, documents, and electronic assets. This platform ensures that these important digital possessions are handled according to an individual's specific wishes after their passing, providing peace of mind and security. An individual can upload their digital assets, assign beneficiaries to those assets, and invite executors to carry out their wishes on the platform. Whether you're organizing your personal digital life or offering professional estate planning services, Endura empowers you to manage and protect digital legacies effectively. This makes it an essential tool in the modern age, where digital assets are as important as physical ones.

Clerk is a comprehensive user management and authentication platform designed to streamline how developers handle user accounts within web and mobile applications. It offers a suite of embeddable UI components—such as <SignIn/>, <SignUp/>, <UserButton/>, and <UserProfile/>—that integrate seamlessly into your application without redirecting users off-site. These components are fully customizable to match your brand, making the user experience cohesive and frictionless. Under the hood, Clerk provides a robust API and SDKs compatible with modern frameworks like Next.js, Remix, React, and Expo. It handles the entire authentication lifecycle, supporting multifactor authentication (MFA), session management, passwordless sign-in (via magic links or one-time passcodes), and traditional password-based methods with breach detection. The platform also integrates social sign-on (SSO) with over 20 providers, enabling quick user onboarding while adhering to security best practices. Clerk’s security posture includes SOC 2 Type 2 certification and CCPA compliance, with continuous third-party audits and penetration testing. Fraud prevention measures, like disposable email blocking and bot detection powered by machine learning, are built-in to reduce spam and abusive sign-ups. For B2B SaaS applications, Clerk provides advanced multi-tenancy features, enabling organization-based user management with custom roles, permissions, auto-join functionality based on email domains, and invitation systems—all accessible through both code and an admin dashboard. Developers benefit from rapid integration, significantly reducing the time spent on building authentication systems from scratch. Clerk acts as the single source of truth for user data and integrates seamlessly with popular backend services like Supabase, Firebase, and Convex. With free access for up to 10,000 monthly active users, it’s positioned as a scalable solution that grows with your application’s needs.

Stytch provides a suite of tools designed to simplify authentication, authorization, and security for web and mobile applications. If you're developing an app and need a way for users to log in—whether with passwords, passkeys, or entirely passwordless methods—Stytch offers APIs and SDKs that handle these complexities. Their focus is on making authentication seamless for both developers and end-users while ensuring high security standards. For businesses, particularly B2B SaaS companies, Stytch enables advanced features like multi-tenancy, role-based access control (RBAC), and single sign-on (SSO). They provide an embeddable admin portal, allowing enterprise customers to manage their own authentication configurations, organizational settings, and integrations with identity providers—without constant developer involvement. Stytch places a strong emphasis on scalability and flexibility. Their tools are designed to “just work” across a range of use cases, from simple consumer apps to complex enterprise platforms. Developers can choose how much of the authentication flow they want to control—using pre-built UI components for quick implementation or leveraging headless SDKs and backend APIs for a fully customized experience. Security and fraud prevention are also core to Stytch’s offering. They provide real-time bot detection, device-aware multi-factor authentication, and intelligent rate limiting to protect against credential stuffing and other forms of account abuse. Their infrastructure ensures that login codes and authentication requests are delivered reliably, even when SMS or email providers fail. Stytch supports a broad range of programming languages and frameworks, including Python, Node.js, Java, React, and iOS, making integration into existing tech stacks straightforward. Their platform is designed for developers who want to build secure, user-friendly authentication systems without reinventing the wheel.

Amazon Cognito is an identity platform for web and mobile apps. It’s a user directory, an authentication server, and an authorization service for OAuth 2.0 access tokens and AWS credentials. With Amazon Cognito, you can authenticate and authorize users from the built-in user directory, from your enterprise directory, and from consumer identity providers like Google and Facebook.

ReflectMind is an AI-powered platform that enables anyone to create stunning presentations, stories, and visual content in minutes—no design skills required. Designed for educators, founders, marketers, sales teams, consultants, and content creators, it transforms simple ideas into professional-grade materials with lightning speed. With features like real-time collaboration, interactive elements, centralized brand consistency, and multi-format exporting, ReflectMind streamlines the entire creation workflow. Whether you’re building pitch decks, social media carousels, or engaging lesson materials, ReflectMind makes visual communication effortless, customizable, and 10x faster.

Luthor is an AI-powered platform designed for startups, SaaS companies, and professional services to enhance their SEO and content marketing efforts. The platform automates the creation of large-scale, SEO-optimized content, focusing on long-tail keywords to drive exponential organic traffic growth. Luthor’s key features include programmatic SEO, AI-driven competitor analysis, automated content and code optimization, and scalable content generation. It offers cost and time efficiency by simplifying complex SEO tasks into one-click actions, continuously optimizing content to stay ahead of search algorithm changes and competitors, and enabling businesses to scale their online presence and drive growth without heavy investment in manual efforts.

Prediqte helps B2B SaaS founders find high-intent leads without spending hours manually searching forums. Enter your website URL, and our AI analyzes your product to understand your ideal customer profile. Then it scans Reddit, HackerNews, LinkedIn (and more platforms coming soon) to find real conversations where people are asking for exactly what you offer. Each lead comes with a relevance score and an AI-generated explanation of why they match your ICP. Unlike cold lead databases, these are people with genuine buying intent—actively seeking recommendations or complaining about competitors. Get 20-50+ leads per run in under 5 minutes. Pay per run starting at $9.50, no monthly subscription locking you in. Buy runs in bulk for better value.

FlipAEO is the first Strategic Content Engine designed for Generative Engine Optimization (GEO). As users shift from Google links to AI answers (like ChatGPT and Perplexity), FlipAEO helps brands transition from chasing ranking slots to owning the "Share of Answer." It is an end-to-end system that plans, researches, and publishes authority-grade content. Key Features Category Intelligence: Analyzes your specific niche to identify "content gaps" where competitors are silent, creating a data-backed 30-day authority roadmap. Answer-First Architecture: Content is structured for machine readability (NLP-optimized) while using an "Anti-AI Filter" to ensure a human, professional tone. How It Works The engine scans your industry to find high-value questions your competitors are missing. It generates comprehensive, factual articles designed to resolve user intent immediately. Content is auto-published to your site, building a compounding library of answers that capture AI traffic.

Kuberns is an AI-powered Paas solution simplifying cloud deployment and DevOps management. By automating workflows and optimising cloud resources, Kuberns helps businesses reduce costs, improve efficiency, and scale effortlessly. Our intelligent platform eliminates infrastructure complexities, making cloud management smoother and more affordable. Designed for startups and enterprises alike, Kuberns empowers teams to focus on innovation while we handle the heavy lifting of deployment and cloud optimisation.

My flight from Bangkok to Los Angeles was completely packed and the seats were tiny. This is arguably not the airline's fault but the layover in Manila was one of the worst I've had. You are herded from one queue to another for hours, surrounded by a crowd of people at all times.

My personal favorite! Specializes in cruise bookings and offers a price guarantee. Features deals, discounts, and last-minute offers.

because fuck you that's why

Trefundo is an AI-powered platform that takes the stress out of dealing with non-refundable hotel bookings. Travelers often face unexpected changes—plans get canceled, schedules shift, or emergencies arise—only to discover that their hotel reservations can’t be refunded. Trefundo is designed to solve exactly this problem. Using advanced automation and AI negotiation strategies, Trefundo works on your behalf to recover money from bookings that are typically considered “lost.” Whether through refund requests, policy loopholes, resale opportunities, or consumer protection laws, the platform explores every possible option to maximize your chances of saving money.

Track.Cruises is revolutionizing how travelers find and book cruise vacations by providing intelligent price tracking, real-time alerts, and data-driven insights across multiple cruise lines and markets. What We Do: Track.Cruises monitors thousands of cruise itineraries from major cruise lines including Costa Cruises, Royal Caribbean, and Norwegian Cruise Line across 6 regional markets (US, UK, Germany, Austria, Australia, Italy) and coming more. Our platform automatically tracks price fluctuations and sends instant notifications when your dream cruise drops in price. Key Features: - Real-Time Price Alerts: Get notified immediately when prices drop on cruises you're tracking - AI-Powered Predictions: Machine learning algorithms analyze historical data to predict optimal booking times - Multi-Market Comparison: Compare prices across 6 regional markets in 4 currencies to find the best deals - Price History Charts: Visualize pricing trends with up to 1-year historical data - Recent Price Drops Dashboard: Browse the hottest deals from the last 5 days with color-coded savings badges - Cabin Pricing Transparency: See pricing across all cabin types (Interior, Oceanview, Balcony, Suite) - Favorites & Custom Alerts: Set target prices and get notified when they're reached Why Choose Track.Cruises: Unlike traditional booking sites that profit from commissions and show biased results, Track.Cruises is a neutral platform focused on helping travelers save money. Our users save an average of $350 per booking by leveraging our real-time tracking and intelligent alerts. Perfect For: - Price-conscious travelers who want the best cruise deals - Established cruisers planning their next adventure 6-12 months in advance - Millennial explorers seeking budget-friendly cruise experiences - Families coordinating multi-generational cruise vacations The Problem We Solve: Cruise prices fluctuate constantly, making it nearly impossible to know if you're getting a good deal. Traditional cruise booking sites prioritize their commissions over your savings, and manually checking prices across multiple sites and markets is time-consuming and frustrating. Our Solution: Track.Cruises automates the entire process, monitoring thousands of cruises 24/7 and alerting you instantly when prices drop. With our AI predictions, you'll know exactly when to book for maximum savings. Join thousands of smart travelers who never overpay for cruises. Start tracking your dream vacation today at track.cruises

ReflectMind is an AI-powered platform that enables anyone to create stunning presentations, stories, and visual content in minutes—no design skills required. Designed for educators, founders, marketers, sales teams, consultants, and content creators, it transforms simple ideas into professional-grade materials with lightning speed. With features like real-time collaboration, interactive elements, centralized brand consistency, and multi-format exporting, ReflectMind streamlines the entire creation workflow. Whether you’re building pitch decks, social media carousels, or engaging lesson materials, ReflectMind makes visual communication effortless, customizable, and 10x faster.

AppMole is an all-in-one platform featuring a wide range of AI-driven tools and resources tailored for creators, influencers, and developers. It offers various web apps, marketing tools, and design apps, all aimed at streamlining workflows and enhancing productivity. Users can stay updated with the latest AI applications, reviews, and trending software.

Fragmatic is an AI-powered personalization platform that connects your analytics, content, and audiences into one continuous learning loop. It uses specialized AI Agents and a Topic Analytics engine to reveal intent, guide experiments, and optimize conversion—all in real time, with full marketer oversight.

Lightning AI is the company behind PyTorch Lightning, the deep learning framework for training, finetuning and serving AI models (80+ million downloads). PyTorch Lightning started in 2015 by Lightning founder William Falcon while working on computational neuroscience research at Columbia University scaling Generative Adversarial Networks and Autoencoders in the context of neural decoding working under Liam Paninski. He open sourced it in 2019 while pursuing a PhD in self-supervised learning (SSL) at NYU and Facebook AI Research (FAIR) supervised by Kyunghyun Cho and Yann Lecun. SSL techniques are at the heart of models like Chat GPT (next word prediction). In 2019 PyTorch Lightning started to be used to train huge models on 1024+ GPUs inside Facebook AI. Today, it’s used by over 10,000 companies and 1+ million developers to train, finetune and deploy the world’s largest models. Lightning AI started in 2020 as a platform to train models on the cloud across 1000s of GPUs. Today, the platform has evolved to a fully end-to-end platform covering everything from distributed data processing, training, finetuning foundation models, to serving and deploying AI apps. Lightning Studios expand on PyTorch Lightning’s core ethos of “You do the science, we do the engineering” by delivering the world’s most intuitive, easy to use, fastest platform for working on AI. From prototyping research ideas to deploying foundation models.

AIChief is the largest and fastest digital platform providing valuable insights into AI tools, their reviews, potential guides, personal opinions, insightful journals, and daily updates about the latest AI trends and usage. Our easy-to-understand guides intertwine artificial intelligence with humans and make it easier to understand how AI is transforming the ways of our lives.

Rank Anything is your ultimate top picks guide in any category in the world. Discover top rated books, foods, countries, products, films, music, habits, workout routines, websites and anything in between. If you can think it, you can rank it.

MicroLaunch is a modern launch platform for early products: get feedback, traction and first customers over a month. Both ideas and product are scored separately. Your products get eventually roasted or boosted.

Supabase is the open-source alternative to Firebase. Like Firebase, it's a complete app development platform with user authentication, cloud functions, APIs, Postgres database, storage, vector embeddings, and other features. Supabase projects come with PostgreSQL's policy engine for fine-grained user access rules. It has social login integrations with Google, Facebook, GitHub, Azure (Microsoft), Gitlab, Twitter, Discord, and many more. They offer a customizable authentication component for React. Phone login and MFA can be added through third-party SMS providers such as Twilio or Bird. The free tier comes with 50,000 monthly active users. The Pro plan, at $25/month, comes with 100,000 MAUs and $0.00325/MAU beyond that.

Google's Firebase is an entire app development platform that's packed with features.It comes with storage, cloud functions, monitoring and, of course, user authentication. The free tier comes with 50,000 MAUs. Beyond that pricing start at $0.0055/MAU and goes down to as low as $0.0025/MAU as you scale to millions of users. Firebase authentication supports email and password auth, phone auth, magic links, two-factor authentication and social identity providers - mainly Google, Google Play Games, Facebook, Apple, Microsoft, Twitter, GitHub and OAuth access tokens.

Italki is a platform connecting language teachers, mostly native speakers, with students. You can book, pay, and schedule your classes directly through their website. The classes are one on one, just you and the teacher, and conducted over a video call. I used Italki successfully before going to Thailand for the first time. My wife who is Thai gave me an Italki gift card. There are plenty of teachers to chose from and the rates are affordable. You'll pay anywhere from $10 to about $20 for a class.