The best affiliate programs like Mailerlite in 2026

PDF-API.io is an intuitive and powerful PDF generation platform designed to simplify the creation, customization, and automation of professional PDFs. It features a user-friendly drag-and-drop designer as well as an advanced HTML editor, catering to both non-technical users and developers. With dynamic data integration, customizable templates, fillable form fields, and support for images, QR codes, and barcodes, users can create pixel-perfect, branded documents in minutes. The platform also offers robust workflow optimization tools, flexible page management, advanced table controls, and seamless integration through a REST API or no-code tools like Zapier, making it easy to automate document processes across various business systems.

PDF-API.io is ideal for freelancers, small businesses, enterprises, and developers who need efficient and scalable PDF generation for invoices, reports, contracts, and more. Affiliates will find this service attractive to promote due to its wide market appeal, affordable pricing plans, and accessibility for users of all skill levels. Its combination of powerful features, ease of integration, and focus on workflow automation makes it a compelling solution for any business seeking to streamline document management and delivery.

Owlbot is an advanced AI-powered chatbot platform designed to help businesses, customer support teams, and organizations automate interactions and instantly answer up to 90% of customer, client, or employee inquiries. With fast deployment, Owlbot allows users to create and customize chatbots within seconds, integrating data from multiple sources such as documents, websites, and databases to deliver accurate, real-time responses. The platform supports over 95 languages, offers customizable interfaces to match brand identity, provides in-depth usage statistics, and enables conversation supervision for quality assurance. Users can also choose from 12 leading language models, connect chatbots with external tools for enhanced functionality, and easily generate leads directly through chat interactions.

Owlbot is ideal for businesses of all sizes seeking to streamline customer support, boost engagement, and save time through automation. Its ease of use, robust data integration, multilingual capabilities, and flexible pricing make it a strong choice for companies looking to modernize their customer service or internal communications. Affiliates will find Owlbot an attractive product to promote due to its broad appeal, high-value features, and growing market demand for efficient, AI-driven solutions.

NotionGenius provides an advanced security and verification solution designed to protect websites from bots and malicious activity. By offering a seamless verification process, NotionGenius helps website owners ensure that only legitimate users can access their content while minimizing friction for real visitors. The service is focused on delivering robust protection without compromising user experience, making it ideal for online platforms that prioritize both safety and usability.

This solution is particularly beneficial for website administrators, online businesses, and anyone looking to safeguard their digital assets from automated threats. Affiliates will find NotionGenius an attractive offering, as it addresses a growing need for effective website security with a user-friendly approach, appealing to a wide range of customers seeking to maintain trust and reliability on their platforms.

MindPal is an AI workforce platform that empowers businesses to build, deploy, and manage custom AI agents and multi-agent workflows for automating complex business processes. With MindPal, users can create specialized AI agents tailored to their unique needs, automate thousands of tasks, and connect these agents into collaborative workflows that mimic real-world operations. The platform leverages leading AI models—including OpenAI, Claude, Gemini, DeepSeek, and Perplexity—and offers seamless integration with existing business tools, allowing users to analyze data, execute tasks, and generate on-brand content efficiently.

This solution is ideal for entrepreneurs, builders, and businesses seeking to enhance productivity, streamline operations, and scale content creation or data-driven processes. Affiliates will find MindPal an attractive program to promote, as it addresses the growing demand for AI-powered automation and provides a user-friendly, highly customizable platform that delivers tangible results for over 35,000 businesses worldwide.

Minform is an AI-powered form builder designed to help users create professional forms, quizzes, and calculators with ease. The platform offers a minimal yet feature-rich editor, allowing you to build everything from lead capture forms and payment forms to interactive quizzes and dynamic calculators. With AI-assisted generation, real-time previews, and a distraction-free interface, users can effortlessly design single or multi-page forms, customize layouts, add conditional logic, and utilize variables for complex calculations. Minform also supports multi-column layouts, file uploads, custom branding, and a host of integrations including Google Sheets, Google Analytics, Zapier, Stripe payments, and more.

Ideal for businesses, educators, marketers, and creators looking to collect data, process payments, or engage audiences interactively, Minform streamlines the form-building process without overwhelming users with complexity. Its free forever plan, generous response limits, and advanced features make it an attractive choice for organizations of all sizes. Affiliates will find Minform appealing to a wide audience, thanks to its versatility, ease of use, and integration capabilities, making it a valuable tool to promote for those seeking modern, flexible form solutions.

Mailbites is a streamlined platform designed to accelerate the creation of professional email templates using ready-to-use components, sections, layouts, and fully implemented templates in mjml and mjml-react formats. With an extensive library of essential email elements such as avatars, buttons, badges, headings, and tables, users can quickly assemble custom templates or adapt pre-built ones to suit their needs. The service offers specialized sections for common email scenarios, including headers, footers, pricing, testimonials, and more, alongside complete transactional email templates for actions like order confirmations, sign-ins, and notifications.

Mailbites is ideal for developers, marketers, SaaS companies, and anyone who needs to produce high-quality, responsive emails efficiently. Its comprehensive selection of modular building blocks and compatibility with popular frameworks make it a powerful solution for both rapid prototyping and scaling email communication. Affiliates will find Mailbites an attractive offering for audiences seeking to save time, reduce development complexity, and elevate their email marketing or transactional messaging efforts.

LeadStal is an automated lead generation platform that simplifies the process of gathering high-quality business leads from popular online sources such as Google Maps, Instagram, Realtor, Zillow, and Google Search. The service offers a suite of powerful data scraping and extractor tools that collect valuable information like phone numbers, email addresses, and social media profiles, exporting the results directly to CSV or Excel files. LeadStal stands out for its speed, affordability, and user-friendly design—requiring no technical expertise to operate—while delivering precision-targeted leads with features like email validation to ensure zero bounces.

This platform is ideal for sales professionals, marketers, real estate agents, and small business owners seeking to scale their outreach quickly and efficiently. Affiliates promoting LeadStal can confidently recommend a cost-effective solution that consistently receives positive feedback for its reliability, ease of use, and ability to deliver verified, actionable leads across multiple platforms, making it an excellent choice for anyone looking to enhance their lead generation efforts.

InvoicingAPI is a versatile and developer-friendly invoicing platform designed to make creating, customizing, and managing invoices seamless for businesses of all sizes. With support for global tax regulations, a robust library of customizable templates, and the ability to generate beautifully formatted PDF invoices via a simple API call, InvoicingAPI streamlines the entire invoicing process. Users can invoice clients in any currency, integrate payment links for faster transactions, and manage payments, refunds, and payouts from an intuitive dashboard—all while enjoying a generous free tier and no fees on payments. The platform is platform-independent, supports unlimited app integrations with a single API key, and offers built-in safeguards to prevent accidental request overloads.

InvoicingAPI is a perfect solution for SaaS providers, e-commerce businesses, marketplaces, consultants, POS systems, and CRM developers looking to add dynamic, tax-compliant invoicing without heavy development overhead. Its ease of integration, high degree of customization, and focus on security and scalability make it an excellent choice for affiliates to promote, appealing to a broad audience of businesses seeking efficient and reliable invoicing solutions.

InvoiceAhoy is a streamlined invoicing solution designed for developers and businesses that need to create, store, and deliver professional invoices directly from any web platform. Featuring an easy-to-use API, pre-built invoice templates, and integration options like Zapier, InvoiceAhoy takes the hassle out of invoice generation. With built-in compliance for global jurisdictions, automatic translation for localized customer communication, and secure encrypted document storage, users can quickly generate and send invoices that look great and meet all regulatory requirements.

This service is ideal for SaaS companies, online marketplaces, freelancers, and any business that needs reliable, automated invoicing integrated into their workflows. Affiliates will find InvoiceAhoy an attractive option to promote due to its developer-friendly approach, flexible pricing plans, and broad appeal for businesses seeking an efficient, compliant, and modern invoicing solution.

Inputeer is a cutting-edge platform designed to streamline data collection and workflow automation for businesses and organizations. It allows users to create customizable forms, automate responses, and integrate collected data seamlessly with a variety of third-party tools and services. With its intuitive drag-and-drop form builder, advanced logic features, and robust automation capabilities, Inputeer makes it easy to gather information, trigger actions, and manage processes without the need for coding or technical expertise.

This service is ideal for businesses, agencies, and teams seeking to optimize their operations, improve data accuracy, and save time on repetitive tasks. Affiliates will find Inputeer an attractive offering for audiences in need of modern solutions for form building, workflow automation, and data integration, providing a valuable tool that enhances productivity and efficiency across a wide range of industries.