The best affiliate programs like InPrivy in 2025

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.

Immokalkulation.de is a professional real estate calculation tool designed to streamline property analysis for investors, agents, and anyone involved in real estate transactions. The platform offers comprehensive features for evaluating real estate investments, enabling users to make informed decisions based on detailed financial projections, cost breakdowns, and profitability assessments. Its user-friendly interface and robust calculation capabilities cater to both seasoned professionals and newcomers seeking accuracy and efficiency in their real estate evaluations.

This service is especially beneficial for real estate investors, brokers, and consultants who require reliable tools to assess property opportunities and present clear analyses to clients or partners. Affiliates promoting Immokalkulation.de can target a growing market of property professionals and private investors looking for powerful yet accessible solutions to optimize their investment decisions, making it an appealing choice for those in the real estate niche.

Genesys Growth offers hands-on product marketing and content consulting tailored specifically for Series A and later-stage B2B SaaS companies. Led by a senior operator who works directly with clients, Genesys Growth specializes in go-to-market (GTM) strategy, messaging and positioning, website and landing page development, product launches, and full-funnel content programs. Using a blend of AI-driven insights and deep industry expertise, the service delivers clear, differentiated messaging and rapid, output-based execution—often with weekly deliverables and always-on communication. Trusted by over 35 founders and GTM leaders at notable companies, Genesys Growth is known for its founder-level commitment, hands-on collaboration, and proven results, such as delivering new marketing sites in just 45 days and accelerating enterprise client acquisition.

This offering is ideal for founders, marketing leaders, and GTM teams at fast-growing SaaS businesses who need more than just advice—they need a strategic partner who executes alongside them. Affiliates will find Genesys Growth an attractive program to promote to B2B SaaS companies seeking practical, results-oriented GTM support, as it stands out with its focus on execution, AI-powered research, and a track record of helping teams build effective positioning and content that drive pipeline and growth.

Udit.co offers specialized growth consulting and actionable resources for SaaS founders seeking to streamline their operations, automate lead generation, and accelerate revenue growth. Led by Udit Goenka, a seasoned SaaS growth consultant, angel investor, and multiple-time founder, the service provides tailored strategies that address the unique challenges of SaaS startups at every stage—from pre-launch to scaling. Udit’s approach combines proven frameworks for sales, automation, and marketing with a focus on building investor-ready, scalable businesses. Additional offerings include an AI-powered content tool for personal branding, MVP development as a service, and a high-value newsletter delivering weekly insights on SaaS growth.

This service is ideal for SaaS founders and entrepreneurs who want to move beyond stagnant growth and manual processes to achieve predictable, sustainable results. Affiliates promoting Udit.co can confidently recommend a results-driven consultancy with a track record of generating significant revenue, helping clients secure funding, and turning complex growth concepts into actionable, easy-to-implement steps—making it a valuable resource for ambitious SaaS leaders.

HubSpot is a leading inbound marketing, sales, and customer service platform designed to help businesses grow and streamline their operations. With a suite of powerful tools for email marketing, content management, social media marketing, web analytics, and search engine optimization, HubSpot provides a comprehensive solution for businesses looking to attract, engage, and delight customers. The platform also offers CRM capabilities that enable companies to manage and nurture customer relationships effectively, ensuring a seamless and integrated experience across all touchpoints.

HubSpot is ideal for small to medium-sized businesses as well as large enterprises seeking to enhance their marketing and sales efforts with a scalable, user-friendly solution. It caters to marketers, sales professionals, customer service teams, and business owners who aim to optimize their workflows, generate more leads, and increase customer retention. By promoting HubSpot, publishers can connect their audience with a trusted and versatile platform that empowers businesses to achieve their growth objectives.

Freshworks is a leading software company that offers a suite of customer engagement and business management solutions designed to help businesses enhance their customer experiences and streamline operations. Their products cater to a wide range of industries, including customer support, sales, marketing, and IT service management.

Key products include Freshdesk, a customer support software; Freshsales, a CRM and sales automation tool; Freshservice, an IT service management solution; and Freshchat, a messaging and chat platform for customer engagement. Freshworks' tools are designed for businesses of all sizes, from startups to large enterprises, making it easier to manage customer relationships, improve team collaboration, and drive growth.

QuickBooks is a comprehensive accounting software solution designed to assist small to medium-sized businesses in managing their financial operations seamlessly. It offers a range of features including invoicing, expense tracking, payroll management, and financial reporting, all in one easy-to-use platform. Users can integrate QuickBooks with their bank accounts, accept payments, and even prepare for tax season with automated calculations, making it an indispensable tool for business owners seeking to streamline their financial processes.

Ideal for entrepreneurs, freelancers, and small business owners, QuickBooks provides scalable solutions that cater to various industries. Whether you’re a solo practitioner or overseeing a growing enterprise, QuickBooks offers packages that can accommodate your needs, providing clarity and control over your financial health. Promoting QuickBooks can be highly rewarding, as it addresses a critical need for efficient accounting solutions in today's fast-paced business environment.

Double Zero is an open-source email infrastructure platform that empowers users to fully own and control their email sending capabilities. Designed to simplify the deployment and management of email services, Double Zero provides an easy-to-use email API for sending transactional emails and supports advanced features like broadcasts and automations through its Pro version. With single-command deployment using SST, seamless setup of AWS services (SES, SNS, SQS, EC2, S3, Route 53), and a straightforward REST or JS API, users can quickly establish robust, scalable email infrastructure without relying on traditional third-party providers. The platform also offers features such as multi-recipient tracking, a WYSIWYG editor, SMTP endpoints, contact and list management, and team collaboration tools.

Double Zero is ideal for developers, SaaS businesses, and organizations seeking greater control, transparency, and cost-efficiency in their email operations. It stands out for its open and modifiable codebase, affordable pricing, and the ability to deploy within your own cloud environment, making it a compelling choice for privacy-conscious users and those looking to avoid vendor lock-in. Affiliates will find Double Zero attractive to promote, as it addresses a growing demand for customizable, developer-friendly email solutions that balance ease of use with full ownership and transparency.

TaxVerge is an all-in-one financial management platform designed to simplify and automate key business processes such as invoicing, tax preparation, customer and product management, and financial reporting. With features like easy invoice creation, real-time analytics, secure customer data storage, and robust product and inventory tracking, TaxVerge streamlines financial workflows for businesses of all sizes. Its intuitive interface enables users to manage customers and products efficiently, generate detailed reports, monitor payment statuses, and apply discounts or taxes with just a few clicks. The platform boasts a 40% faster tax preparation process and 99.9% uptime reliability, ensuring dependable access to essential financial tools.

TaxVerge is ideal for small businesses, financial consultants, accountants, and anyone looking to reduce manual errors and save time on routine financial tasks. Affiliates will find TaxVerge appealing to promote thanks to its free entry-level plan, simple and transparent pricing, and comprehensive feature set that addresses common pain points in business finance management. Its wide device compatibility and strong customer testimonials further make it a compelling choice for organizations seeking efficiency, accuracy, and growth in their financial operations.

Telescope is an all-in-one SEO toolkit designed to help marketers, agencies, entrepreneurs, and website owners grow their online presence efficiently and affordably. It consolidates essential SEO functions into a single platform, including keyword research with access to a database of over 5 billion keywords, rank tracking, competitor analysis, site audits, and internal linking optimization. Users can research high-value keywords, analyze live SERP results, monitor their website’s technical health, and gain actionable insights into competitors’ strategies, all while benefiting from powerful data filters and keyword clustering tools.

Telescope is an ideal choice for anyone looking to scale their SEO efforts without the expense and complexity of juggling multiple tools. Its comprehensive feature set, intuitive design, and notably low pay-as-you-go pricing make it especially attractive for small businesses, agencies, and digital marketers aiming to maximize their impact while minimizing costs. Affiliates can confidently promote Telescope knowing they are offering a robust, accessible solution that empowers users to drive more traffic, optimize content, and outperform the competition.