Compare Promise2Pay vs. Slicker

Revaly helps subscription and recurring-revenue businesses stop losing money to failed transactions by transforming payment systems into revenue engines. Its AI-driven payment intelligence evaluates issuer signals and network behavior in real time to keep legitimate payments from failing. Instead of letting small errors or timing issues derail a customer’s purchase, Revaly corrects problems proactively before the user hits “pay.” When a payment does decline, the platform automatically determines the best moment and method to retry, using behavioral science to protect customer trust. Companies using Revaly see major increases in recovered revenue, improved profitability, and significantly reduced involuntary churn. The platform integrates with more than 100 billing, CRM, and payment tools, eliminating the need for operational changes. Performance metrics across retail, software, and media industries consistently show double-digit recovery improvements. Ultimately, Revaly gives businesses a predictable, scalable way to grow by ensuring their earned revenue successfully processes.

Melio is an accounts payable platform designed to simplify bill payments, improve workflows, and maximize cash flow efficiency for businesses of all sizes. To get started, try all of Melio's features free for 30 days! You can pay vendors online using bank transfers or credit/debit cards—even if they only accept checks—while Melio takes care of the manual tasks. Integrate seamlessly with QuickBooks and Xero to keep your accounting up-to-date. Melio allows you to pay through bank transfer or card, helping you extend your cash flow and gain rewards. Enter vendor or bill details manually, upload, or snap a photo of the invoice—it’s that simple. Schedule payments according to your cash flow plan and let Melio manage them. Additionally, you can pay international vendors in their local currency for services and products. On-the-go? No problem, just get the Melio mobile app on iOS or Android to manage your payments, process approvals, and much more no matter where your business day takes you.

EBizCharge is the leading embedded payments application for businesses to accept payments directly inside QuickBooks, Microsoft Dynamics, NetSuite, SAP, Acumatica, and 100+ other business systems. Trusted by 20,000 companies, EBizCharge combines modern billing tools with integrated payment processing to help B2B companies get invoices paid faster, eliminate manual work, and keep payment data automatically synced to their ERP. Companies use EBizCharge to: ◉ Accept credit card, debit card, and ACH payments natively inside ERP, CRM, or eCommerce platforms ◉ Speed up collections with easy billing tools: payment links, online customer portal, recurring billing, saved cards, and more ◉ Improve security and reduce risk with PCI-compliance, encryption, tokenization, fraud protection, and certified by the PCI-Security Council ⎯ HOW IT WORKS IN YOUR ERP, CRM, & E-COMMERCE PLATFORMS EBizCharge integrates natively with your ERP, CRM, or e-commerce platform through certified software connections, so payments work directly inside the system you already use. ⎯ FEATURES • Email payment links • Recurring billing • Secure online customer payment portal • Securely save cards • EMV terminals • Mobile payments • Ability to surcharge • Dedicated in-house support

Regpack is an online onboarding, registration, and payments software used by thousands of organizations worldwide. Regpack works with a variety of businesses to automate their onboarding process, collect client information, and charge automatically for their services. Whether you're organizing an event, managing client billing, organizing a trip or camp, or offering courses and classes (virtual too!), Regpack can help you make your registration and payment processes a breeze with its unique technology and comprehensive set of features. Top features include recurring billing, payment plans, automated payment collection, custom form builder, built-in email tools, dynamic reporting, and more.

Collect! is the flexible and scalable debt collection software built to automate your workflow. From startup to enterprise, we have the solution for you. Collect! was built for 3rd party collection agencies, debt buyers and 1st party collectors of all sizes. Collect! is built to be configured for your needs. Use Collect!'s many settings and options to create the workflow your want. Collect! comes pre-set for 3rd party debt collection processes. Adapt as little or as much as you want. Collect! is integrated with an ever-increasing number of other systems, and building white label add-on programs. Collect! is scalable. Start where you need - change editions and add seats as you grow. Configurations and customizations are retained through updates, upgrades and edition changes. Collect! is packed with features. Automate your system from first contact to last payment. Enable consumers and clients to self-serve. Use Collect!'s robust import functions, user permissions, reporting tools, account segmentation, credit bureau reporting, forms and document attachments, legal features and more to create your bespoke collection system.

Accept all payments quickly, securely, and easily. Accept card payments quickly and easily, no matter where you are selling. You can streamline the process of creating, sending, and tracking your invoices. Customer not available in person? Remote credit card payments can be made over the phone or via your computer. Get paid quickly Square makes it easy to create and grow an online store and accept online payments seamlessly with Square. Accepting cards is as easy, painless, secure, and fast as possible with Square. We don't charge extra, have no long-term contracts and are not able to use tricks. You can rely on fast, secure payments.

Gr4vy's no-code payment orchestration platform empowers enterprises with full control to automate, customize and optimize their payment strategy effortlessly. Through a single integration, businesses can access over 400 payment methods, anti-fraud tools and payment service providers enabling them to optimize their stack in just a few clicks, all in a centralized platform. Built on dedicated cloud instances, Gr4vy infrastructure is the only one that eliminates the risk of a single point of failure, ensuring redundancy and high performance. At Gr4vy, our mission is to empower enterprises with full control to build, customize, and scale their payment strategy. We turn payment complexity into simplicity, allowing businesses to experiment, optimize, and unlock new revenue streams effortlessly. That way, merchants can focus on what matters—growth.

Everstage is the #1 rated no-code sales commission platform that automates your entire commission process. It removes the work from your Ops & Finance teams and offers gamified incentives to your customer-facing teams. Trusted by public companies and enterprises worldwide- across industries like SaaS, Business Services, Financial Services, Insurance, Real Estate, Life Sciences, Manufacturing, Staffing and more. The Everstage plan designer can be customized to suit your plan structure. All this in an intuitive and simple-to-use design format. Everstage allows you to create and manage quota. You can customize quota measurement periods, assign multiple categories of quota, and set up ramp structures. There are no restrictions. No more back and forth context on change requests. With Everstage, you can manage exception requests, queries, and approvals with a complete audit trail. You can track and manage the performance of your customer-facing employees. Everstage is your single source for truth for quarterly business reviews and annual planning. Everstage seamlessly pulls all data fields needed for commission calculations in real time.

InterProse ACE is a modern, cloud-based debt collection software platform built for collection agencies who specialize in consumer or commercial debt, including healthcare, property management, education, and government accounts. ACE also serves collection attorneys, property managers, original creditors, financial institutions and government entities. Heavily configurable and flexible with no one business use case in mind, our debt collection application facilitates account management, secured/unsecured payment plans, client invoicing and reports, legal judgment tracking, data reporting/analytics, and process automation while doing it all in a highly efficient and cost-effective way. Key features include account bundling, account-level documents attachments, heavy process automation, client access, trust accounting, credit reporting, consumer self-service tools, and numerous tech integrations. ACE customers enjoy monthly updates/upgrades to the platform, real-time data & document backups, inherited third-party security audit attestations (SOC2Type2, PCI, PENTEST, HIPAA, StarAlliance, etc.), real-time consumer and client portals, open-API connections, among other modern conveniences that let them focus on business.

NMI Payments gives developers, SaaS builders, ISVs and ISOs a simple path to embedded payments. As a full-stack processor, acquirer, and technology partner, NMI enables you to integrate, brand, and manage payment acceptance within your platform—without becoming a PayFac or building complex infrastructure. The platform combines flexibility, scalability, and speed, offering white-labeled payments infrastructure that keeps your brand front and center. With omnichannel support for in-store, online, in-app, and unattended payments, you can deliver a consistent merchant experience across every touchpoint. NMI also manages onboarding, compliance, and risk, freeing your team to focus on innovation and customer growth. Developer-First Experience NMI’s developer-first environment puts full control in your hands. Build, test, and launch payments in a modern sandbox with clear documentation and ready-to-use code snippets. Guided onboarding flows and API recipes simplify integration, while low-code and no-code tools accelerate deployment. Business users can evaluate monetization options with instant revenue calculators and self-service sign-up. Whether you’re embedding payments for the first time or scaling across channels, NMI helps you go live faster, stay compliant, and grow with confidence