The best affiliate programs like PDF-API.io in 2025

Trydeepwork is a productivity platform specifically engineered for individuals with ADHD and those who struggle with focus. The system takes a holistic, adaptive approach, learning users’ unique attention patterns and optimizing deep work sessions for peak productivity. Unlike traditional rigid timers, Trydeepwork offers flexible session lengths, adaptive breaks, goal-setting frameworks based on psychological research, focus-enhancing audio options, and customizable intensity levels. Its intelligent task management tools prioritize high-impact work, reduce overwhelm, and streamline decision-making, while in-depth analytics help users visualize and improve their real focus patterns over time.

This solution is ideal for professionals, academics, creatives, and anyone seeking to overcome distractions and maintain consistent deep work habits—especially those with ADHD or similar attention challenges. Affiliates will find Trydeepwork a compelling offer to promote, as it combines science-backed methods, a user-focused design, and proven effectiveness, making it a valuable tool for improving productivity and achieving meaningful goals.

Torii Image Translator is a powerful browser extension and web-based tool designed to translate text within images instantly and seamlessly on any website or from local files. Tailored especially for manga, comics, and image-heavy content, Torii leverages advanced AI translation models to deliver high-quality, fast translations directly in place—making it appear as though the original image was always in your language. Its robust toolkit includes features like editable translations, AI-powered cleanup and paint tools for erasing and redrawing text, smart cropping for targeted translation, and bulk translation with convenient batch downloads, all within a smooth and intuitive interface.

This solution is ideal for manga and manhwa readers, translators, scanlators, and anyone who regularly encounters untranslated images on the web or in their personal files. With support for all major browsers, a fair free tier, and competitive pricing, Torii Image Translator stands out as a must-have for casual readers and professional localization teams alike. Affiliates can confidently recommend Torii as a versatile, user-friendly, and innovative image translation tool that solves a widespread need for global audiences.

Grammarly is a leading AI-powered writing assistant that helps users improve their writing by providing real-time grammar, spelling, punctuation, and style suggestions. It's designed to enhance communication for a wide range of users, from students and professionals to content creators and casual writers. With Grammarly, users can refine their writing in emails, social media posts, essays, and even business documents, ensuring clarity, correctness, and engagement.

Grammarly's advanced features include tone detection, vocabulary enhancement, and plagiarism detection, making it a valuable tool for anyone looking to communicate more effectively. The platform is available as a browser extension, desktop app, and mobile keyboard, ensuring that users can write with confidence wherever they are.

Ideal for promoting to a broad audience, Grammarly appeals to individuals looking to improve their writing skills, businesses aiming to maintain professional communication standards, educators, and students. By joining Grammarly’s affiliate program, publishers can tap into a product that is highly relevant, widely used, and trusted by millions worldwide.

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.

KickStart by FormKit is an innovative tool designed to streamline and accelerate the process of form creation for developers and teams working with Vue.js. With KickStart, users can generate fully functional forms in seconds using a prompt, image, or text attachment, then easily copy and paste the output as Vue components or FormKit schema into their projects. The platform supports a wide range of use cases, from simple contact forms to complex multi-user registration and database-driven forms, and even allows migration from screenshots, sketches, or existing Gravity Forms exports.

KickStart is ideal for developers, agencies, and businesses that need to quickly prototype, migrate, or iterate on web forms without starting from scratch. Its fast generation capabilities and flexibility make it an excellent choice for affiliates to promote, as it solves common pain points in web development and appeals to a broad audience looking to save time and boost productivity when building forms for web applications.

Apiwapp is a platform that enables businesses and developers to integrate WhatsApp messaging into their applications and workflows through a powerful and easy-to-use API. The service allows users to send and receive messages, automate notifications, and manage customer interactions directly via WhatsApp, all without the need for complex infrastructure or manual intervention. With features like multi-device support, real-time message delivery, and robust documentation, Apiwapp streamlines communication and enhances customer engagement for companies seeking a reliable WhatsApp integration.

This solution is particularly valuable for businesses looking to improve customer support, run marketing campaigns, or automate notifications through one of the world's most popular messaging platforms. Affiliates will find Apiwapp an attractive product to promote due to its simplicity, comprehensive feature set, and strong appeal to a wide range of industries seeking efficient and scalable communication tools.

InpuTron is an AI-powered form field solution designed to revolutionize how users interact with online forms. By integrating advanced AI APIs, InpuTron enables form fields to predict, enhance, or suggest text dynamically, making data entry smarter and more intuitive. Its platform stands out for its high degree of customization, allowing users to configure intelligent input fields using plain English and even extend functionality by incorporating their own models or leveraging retrieval-augmented generation (RAG). With flexible pricing plans, generous API call limits, and premium support, InpuTron empowers developers and businesses to create modern, responsive forms tailored to their unique needs.

InpuTron is ideal for web developers, SaaS platforms, and businesses seeking to deliver seamless and intelligent user experiences through their online forms. Affiliates will find InpuTron an attractive program to promote due to its innovative use of AI, flexible integration options, and broad appeal across industries looking to modernize their digital touchpoints with smarter, more interactive forms.

Reffresh.com is a user-friendly platform that enables developers and teams to quickly create mock APIs without any coding required. Designed to streamline the development and testing process, Reffresh.com allows users to set up customizable API endpoints in just a few clicks, making it easy to simulate real-world scenarios and accelerate product development. The service emphasizes simplicity and efficiency, offering an intuitive interface that eliminates the need for complex configurations or technical expertise.

This solution is ideal for software developers, QA testers, and project managers who need reliable mock APIs for prototyping, testing, or demonstrating applications. Affiliates will find Reffresh.com an attractive product to promote due to its broad appeal across technical and non-technical audiences, its focus on saving time and reducing development friction, and its potential to become an essential tool in any modern development workflow.

Pricetag is a native Mac application designed specifically for developers who want to manage app, in-app purchase, and subscription pricing efficiently through the App Store Connect API. It streamlines the entire pricing process, allowing users to set region-specific prices based on purchasing power parity, copy existing prices, apply discounts with automated calculations, and utilize custom datasets for consistent pricing strategies. With a user-friendly interface and robust automation, Pricetag eliminates the manual, time-consuming work typically required to adjust prices across multiple territories, making it an essential tool for developers looking to optimize their app revenue.

Pricetag is particularly beneficial for iOS developers, app managers, and businesses overseeing multiple products or targeting international markets. It is ideal for those planning pricing experiments, aiming to maximize revenue outside the US, or operating in countries with fluctuating currencies. Affiliates promoting Pricetag can confidently recommend a highly rated, in-demand solution that saves developers hours of tedious work and helps them increase global earnings, making it a compelling choice for anyone in the app development ecosystem.

LocalCan is a developer tool designed to streamline the process of exposing local applications to the internet or local networks using user-friendly public URLs and .local domains. It enables developers to instantly publish their localhost projects with secure, persistent public URLs, making it simple to share work with clients, test webhooks, OAuth integrations, and access apps across devices without complex configuration. With unlimited .local domains, automatic HTTPS, and robust traffic inspection and replay capabilities, LocalCan offers a seamless workflow for web and SaaS developers who need to test, debug, and collaborate efficiently. It stands out as a top alternative to tools like Ngrok, praised for its ease of use and reliability, and supports a broad range of frameworks, including Next.js, Vite, Laravel, Node.js, and more.

This tool is ideal for individual developers, small teams, and agencies who regularly build, test, or demo web applications and require quick, secure ways to expose local projects. Affiliates will find LocalCan attractive to promote due to its strong word-of-mouth reputation, time-saving features, and straightforward pricing, making it a compelling solution for developers seeking to simplify their development and testing processes.