Compare Payaut vs. Shuttle

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.

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

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.

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.

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

Convesio gives commerce businesses the edge they need to grow faster — combining ultra-reliable WordPress hosting with seamless, built-in payment processing. At the heart of it all is ConvesioPay, a powerful payments platform that integrates directly with your hosting stack. No clunky plugins. No middlemen. Just faster, more secure transactions that help you convert and scale without friction. With auto-scaling containers, PCI-compliant infrastructure, and real-time revenue insights, Convesio removes the bottlenecks that slow down online stores. It’s performance, payments, and peace of mind — all in one place. Highlights: Integrated payments through ConvesioPay Built for WooCommerce and high-traffic stores Enterprise-grade uptime and scalability Security-first, PCI-compliant environment Real-time performance and revenue visibility

Since 2012, AuctionMethod has provided white-label auction software and custom auction software development for the auction industry. Based in Massachusetts, serving the U.S., Canada, Australia, and New Zealand. Serving auctioneers, estate liquidators, farm and heavy equipment, industrial, salvage and recycling, non-profit, corporations, retail liquidators, auto/car dealers, real estate, and arts and collectibles auction businesses. There are no commissions, no per-lot fees, no platform skim, and no contract, so clients keep the revenue from every sale instead of splitting it with the platform. Clients keep 100% ownership of their bidder lists, seller lists, item data, images, and transaction history on a fully white-label auction website. The platform covers catalog and lot management, consignor management, bidder registration, invoicing, payment and tax handling, and reporting in one system. Auction event types include timed online auctions, simulcast auctions, blind timed auctions, catalog-only, fixed-price, and perpetual events. AuctionMethod includes a mobile app for iOS and Android. For operations whose workflows fall outside the standard product, AuctionMethod also builds custom auction software development solutions at a fixed rate. AuctionMethod's pricing starts at $100/mo with a $250 one-time setup charge. AuctionMethod offers a 30-day free trial, no credit card required. Highly rated 4.9/5 on Capterra and SourceForge with a 94% renewal rate.

PayKings is a payment processing provider specializing in merchant account solutions for high-risk industries that often face challenges obtaining traditional payment services. The company offers a streamlined approval process powered by automated underwriting, allowing many businesses to gain access to payment processing capabilities within a short timeframe. Businesses can leverage merchant accounts, payment gateways, ACH processing, credit card processing, recurring billing, and virtual terminal solutions through a single provider. PayKings serves a broad range of industries, including adult entertainment, CBD, online gaming, firearms, debt settlement, travel, nutraceuticals, cryptocurrency, and other specialized markets. Fraud prevention tools and chargeback management services help businesses reduce risk while maintaining smooth transaction processing. The platform supports integration with leading gateways, eCommerce platforms, content management systems, and custom APIs. Dedicated account managers provide guidance throughout onboarding and ongoing operations, ensuring merchants receive industry-specific support. Transparent interchange-plus pricing models help businesses understand processing costs without hidden fees or long-term contractual commitments. PayKings enables high-risk businesses to access reliable payment infrastructure while supporting growth and operational stability.

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.

Scotch is a comprehensive operating system tailored specifically for liquor retailers, integrating liquor-focused point of sale (POS), payment processing, back office functions, inventory management, ordering, receiving, analytics, and customer engagement tools into one cohesive platform. More than just a typical POS system, Scotch is designed to meet the operational needs of bottle shops, wine retailers, beer outlets, and liquor stores, accommodating features like case breaks, handling distributor invoices, managing thousands of SKUs, working with multiple suppliers, ensuring age verification, enabling offline sales, and providing real-time inventory tracking. By streamlining transactions, the POS system allows staff to complete sales more quickly, enroll customers on the spot, manage rewards programs, facilitate split payments, ensure secure transactions, and maintain customer flow even during internet outages. Furthermore, Scotch automatically monitors parent-child inventory relationships, meaning that selling any quantity—be it a single bottle, a six-pack, or an entire case—instantly updates all related inventory types without the need for manual inputs or end-of-day reconciliation processes. This efficiency ultimately enhances the overall shopping experience for both retailers and their customers alike.