
Closed
Posted
Paid on delivery
I need a developer who can set up a reliable, two-way connection between WooCommerce, Loyverse, and SquareUp so that inventory counts, sales orders, and customer information stay perfectly aligned across all three systems. Here’s what I’m after: • One central source of truth for stock levels—when an item sells in any store or online, every platform must update automatically. • New orders from WooCommerce should feed straight into both POS systems, and in-store transactions must appear in WooCommerce with their correct customer details. • Customers created or edited in one platform need to mirror instantly in the others to avoid duplicates. You’re free to recommend the best approach—native APIs, a middleware tool such as [login to view URL] or Zapier, or a lightweight custom script—as long as it is secure, scalable, and easy for me to maintain once you hand it over. Clear documentation and a quick walkthrough call will be part of the hand-off so I can manage basic changes myself. Acceptance criteria 1. Live demo showing stock, order, and customer sync in all directions. 2. Error-handling and logging in place so I can spot and fix failed syncs. 3. Documentation that covers setup steps, field mappings, and how to add new products or locations. If you have completed similar WooCommerce + POS integrations, especially with Loyverse or SquareUp, I’d love to see them.
Project ID: 40504593
275 proposals
Remote project
Active 21 secs ago
Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
275 freelancers are bidding on average $454 AUD for this job

Hi, I can build a secure two-way sync between WooCommerce, Loyverse, and SquareUp so inventory, orders, and customer records stay aligned across online and POS sales. I’ll map fields properly, choose the best API or middleware approach, add logging and error handling, test full sync scenarios, and provide clear documentation for future maintenance. Let’s discuss in chat as I have some queries to ask regarding the project to proceed further.
$250 AUD in 7 days
9.6
9.6

Hi Mate, I can set up a reliable connection between WooCommerce, Loyverse, and SquareUp to ensure that inventory counts and customer details sync seamlessly across all systems. I can create a solution utilizing either native APIs or a middleware tool like Zapier, designed to keep everything aligned in real-time. With error handling and logging integrated, you’ll easily spot and resolve any sync issues. I’ll also provide clear documentation and conduct a walkthrough call to ensure you can manage basic changes on your own. I’ve successfully completed similar integrations, including WooCommerce and various POS systems. Let’s discuss how I can help you achieve a streamlined setup. Best Regards, Priyanka
$300 AUD in 2 days
8.4
8.4

Hi — Elias here from Miami. I see you're looking for a developer to establish a two-way sync between WooCommerce and Loyverse. This can be a bit tricky, especially when it comes to ensuring that data updates happen reliably without duplication or loss. A common challenge with integrations like this is dealing with the differences in how each platform handles data. For example, inventory levels might not sync correctly if there are discrepancies in item IDs or if the APIs have rate limits. Another issue can arise from network connectivity, which can disrupt the flow of information between the systems. My approach would be to first map out the data flow and identify key touchpoints for syncing. I’d set up proper error handling to catch any issues early and ensure data integrity. Testing is also crucial, so I’d implement a few rounds of checks to confirm everything works as expected. To better understand your needs, could you share how often you expect the sync to occur? Also, are there specific data fields you want to prioritize for the integration? Looking forward to your thoughts.
$500 AUD in 3 days
8.3
8.3

Syncing WooCommerce with a POS system requires precise handling of API endpoints and real-time inventory triggers to prevent data discrepancies. I have experience managing these types of backend integrations to ensure your product levels, prices, and orders communicate seamlessly between platforms. My background includes 15 years of web development with a deep focus on PHP, JavaScript, and the WooCommerce ecosystem. I frequently build custom solutions that go beyond standard plugins, allowing me to troubleshoot specific sync conflicts or performance bottlenecks that often arise during these integrations. I can complete this integration for $448.43 within 1 day. Send me a message with the details of your POS provider so I can review the API documentation and get started.
$448.43 AUD in 1 day
8.1
8.1

Hello. WordPress development expert ready to help you with a project. I have more than 400 good reviews and more than 15 years of development experience behind, so project will be done with the best quality and timeframe. Free bug fixing support. We can always make deal on price. Tnx, and hope to hear you soon.
$500 AUD in 7 days
8.3
8.3

As a highly experienced team of developers, we've successfully tackled complex web integrations just like the one you're seeking. We understand how critical it is for your inventory, sales orders, and customer data to remain synchronized across all platforms. With our proficiency in APIs, WordPress, and extensive background in eCommerce development, we are more than capable of constructing a reliable two-way connection between WooCommerce, Loyverse, and SquareUp. In syncing your inventory seamlessly, we'll ensure that whenever a product sells on any platform, the stock count is instantly updated across all systems—eradicating chances of mismatched stock levels. Additionally, new orders from WooCommerce will feed directly into both POS systems while ensuring that in-store transactions appear accurately in WooCommerce with the correct customer details. We'll also guarantee that any customer updates or creations reflect promptly to avoid duplication across platforms. Our deep knowledge in error handling and logging will enable us to create foolproof mechanisms for identifying and managing failed syncs effectively. Thanks....
$750 AUD in 7 days
8.1
8.1

⭐⭐⭐⭐⭐ Create a Reliable Connection Between WooCommerce, Loyverse, and SquareUp ❇️ Hi My Friend, I hope you're doing well. I reviewed your project requirements and see you're looking for a developer to set up a two-way connection between WooCommerce, Loyverse, and SquareUp. You don’t need to look any further; Zohaib is here to help you! My team has successfully completed 50+ similar projects for eCommerce and POS integrations. I will use secure APIs or middleware tools to ensure smooth data flow between the systems while providing clear documentation and a quick walkthrough for easy management. ➡️ Why Me? I can easily create the reliable connection you need as I have 5 years of experience in system integrations, focusing on eCommerce platforms and POS systems. My skills include API integration, data synchronization, and error handling. Besides, I have a strong grip on related technologies like WooCommerce, Loyverse, and SquareUp, ensuring a comprehensive solution for your project. ➡️ Let's have a quick chat to discuss your project in detail, and I can show you samples of my previous work. Looking forward to discussing this with you! ➡️ Skills & Experience: ✅ API Integration ✅ WooCommerce ✅ Loyverse ✅ SquareUp ✅ Data Synchronization ✅ Error Handling ✅ Middleware Tools ✅ Custom Scripting ✅ Documentation ✅ System Integration ✅ Testing & Debugging ✅ Customer Data Management Waiting for your response! Best Regards, Zohaib
$350 AUD in 2 days
7.9
7.9

Hi I can set up a reliable two-way sync between WooCommerce, Loyverse, and SquareUp for inventory, orders, and customer data. The main technical issue is avoiding duplicate records and stock conflicts when all three systems can create or update data at the same time. I would review the available APIs, define one source of truth for inventory, map products/customers/orders correctly, and build the sync using secure API connections, webhooks, middleware, or a lightweight custom service. I’ll also include logging, failed-sync handling, field mapping documentation, and a walkthrough so you can manage new products and locations safely. Thanks, Hercules
$500 AUD in 7 days
7.4
7.4

Hi there, I have carefully reviewed your requirements and understand that the goal is not just a simple integration, but a reliable two-way synchronization system between WooCommerce, Loyverse, and SquareUp where inventory, orders, and customer records remain consistent across all platforms in real time. My approach will begin with reviewing the API capabilities and webhook support of each platform to determine the most reliable architecture. Depending on your transaction volume and maintenance preferences, I would recommend either a Make.com-based integration layer or a custom API middleware solution that serves as the synchronization hub and prevents duplicate records, stock discrepancies, and data conflicts. I will implement automated syncing for inventory updates, customer creation and edits, and sales orders across all three systems, along with detailed logging, error notifications, and recovery mechanisms to ensure failed syncs can be identified and resolved quickly. Field mapping will be documented clearly so future product additions and location expansions remain straightforward. Approximately how many products and locations are involved? Do you currently have any existing WooCommerce integrations with either Loyverse or Square already in place? Regards, Rabia Shaikh
$250 AUD in 2 days
7.2
7.2

Hi, I can set up a reliable two-way sync between WooCommerce, Loyverse, and SquareUp so inventory, orders, and customer records stay aligned across online and POS sales channels. I have experience with WooCommerce REST API, POS integrations, Square APIs, middleware tools like Make/Zapier, custom sync scripts, field mapping, duplicate prevention, logging, and error handling. I will recommend the safest source-of-truth architecture, implement stock/order/customer synchronization, test all directions live, and provide documentation plus a walkthrough for future product or location changes. Q1: Which platform should be the main stock source of truth? Q2: How many products and store locations need syncing? Q3: Do products already share matching SKUs across all three systems? Best regards.
$500 AUD in 7 days
7.3
7.3

HELLO!! I read your requirements carefully and understood very well about the project scope and start working accordingly in stages. I am having more than 10+ years of experience in eCommerce integrations and API development, and I can build a reliable two-way sync system between WooCommerce, Loyverse, and SquareUp. I will approach this project by first analyzing all three APIs and designing a central sync architecture (middleware or custom Node/PHP service) to ensure WooCommerce acts as the primary source of truth or a fully bi-directional system as required. Then I will implement real-time or scheduled sync for inventory, orders, and customer data with proper mapping, conflict handling, and logging system. I will also ensure secure API authentication and scalable design so you can easily extend it in future. i will provide 2 year free onging support and complete sourc code, we will work with agile methodology and will give you assistance from zero to publishing on stoires I have strong experience building WooCommerce API integrations, POS synchronization systems, and inventory management workflows with clean and maintainable architecture. I will also provide full documentation and a live demo covering stock sync, order sync, and customer sync as per your acceptance criteria. I eagerly await your positive response. Thanks Christina
$250 AUD in 7 days
7.2
7.2

Hello! As per your project post, you are looking to establish a reliable two way synchronization system between WooCommerce, Loyverse, and SquareUp to ensure inventory, orders, and customer data remain consistent across all platforms. The goal is to eliminate manual reconciliation, prevent stock discrepancies, and create a unified commerce ecosystem where online and in store operations work seamlessly together. My focus will be on designing and implementing a synchronization architecture that maintains a single source of truth for inventory while ensuring sales transactions, customer records, and product updates are accurately propagated across WooCommerce, Loyverse, and SquareUp. The integration will support automatic stock adjustments, order synchronization, customer record matching, duplicate prevention logic, and error handling mechanisms to maintain data integrity even during high transaction volumes. I specialize in eCommerce integrations, POS synchronization systems, API based automation, and multi platform inventory management. My approach focuses on building reliable synchronization workflows with proper conflict resolution, monitoring, and logging to ensure inventory accuracy and operational consistency across all connected systems. Let’s connect to review your current WooCommerce, Loyverse, and SquareUp setup so we can design a synchronization strategy that keeps all platforms aligned in real time. Best regards, Nikita Gupta.
$300 AUD in 22 days
6.9
6.9

As an experienced full-stack developer, I'm confident in my ability to deliver the seamless WooCommerce-POS Sync Integration that you're looking for. My extensive experience with WordPress, PHP, and WooCommerce means I have a deep understanding of the specific challenges and nuances that come with synchronizing inventory, sales orders, and customer information across multiple platforms. Regarding APIs and middleware tools, I value finding the best-fit solution for your unique needs rather than adopting a one-size-fits-all approach. Liquid transactions are critical for accurate data syncs; hence I'll develop comprehensive error-handling and logging techniques to quickly identify and rectify any failed syncs. I've successfully completed several similar integrations, including those involving Loyverse and SquareUp, which puts me in an advantageous position to provide you with a swift, secure, scalable solution tailored to your needs. Furthermore, my commitment to clarity is evident from my track record of providing clear documentation along with thorough hand-off walkthroughs. Additionally, I'm adept at training clients on how to manage basic changes themselves, so you can rest easy even after project completion. Choosing me means selecting not only a qualified developer but also a long-term partner committed to your success. Get in touch, and together let's build a powerful solution that will drive unprecedented efficiency for your business!
$250 AUD in 7 days
7.2
7.2

As an extensively certified and experienced developer with a specific knack for tackling complex projects like yours, I am confident that I can deliver an exceptional solution to integrate WooCommerce, Loyverse, and SquareUp flawlessly. With over 15 years in the field, I've completed more than 300 successful projects involving all things WordPress, from platform management to developing custom applications. My proficiency in APIs and mastery of JavaScript and PHP positions me as an ideal candidate for creating a scalable, secure, two-way inventory syncing system tailored to your unique needs. Moreover, my intimate familiarity with Loyverse and SquareUp APIs will expedite the process and ensure all aspects of the project meet your objectives. Not content with merely executing tasks, I'll also empower you with comprehensive documentation and provide a walkthrough call so that you can confidently manage basic changes after project completion. I'm a lifelong learner who's constantly updated with recent technologies, guaranteeing you a solution that incorporates the most effective tools available
$500 AUD in 7 days
6.9
6.9

Hi! My name is Marjan and I'm here to offer you my services as a skilled applicant with over a decade of experience working on Freelancer.com. l believe I am the best fit candidate for this project due to my extensive experience; I would like to have a discussion to get to know that we both are on the same page. Once the scope will be locked, I will start working on it right away.
$250 AUD in 7 days
6.8
6.8

As an experienced Full Stack Developer with over a decade of experience, I have successfully handled numerous WooCommerce and POS integration projects just like the one you're describing. Being well-versed in API development and JavaScript simultaneously with proficiency in PHP has enabled me to expertly create secure, scalable and easily-maintainable solutions for my clients. One prime example would be my recent project that involved linking WooCommerce, SquareUp, and Loyverse together. In conclusion, choosing me will not only grant you extensive past experiences in this specific area but also guarantee a fast-paced development process with clear communication throughout the project lifespan. My goal is to provide long-term support for all my clients, thus opting for me will mean having an expert on standby ready to assist you whenever required. Reach out to me now, let’s turn your visionary WooCommerce-POS Sync Integration into reality!
$450 AUD in 7 days
6.5
6.5

Hi, I can set up a fully automated, two-way sync between WooCommerce, Loyverse, and SquareUp so stock, orders, and customer data stay accurate across all platforms. I’ve handled similar multi-system e-commerce integrations, including WooCommerce workflows with real-time inventory updates, order routing, and customer management, and I’ve built middleware solutions that reduce errors and scale reliably. I’ll design a secure, maintainable sync using APIs or a lightweight automation layer, implement logging and error handling, and provide a live demo plus full documentation for ongoing management. Do you want the sync to run in real-time or is near-instant batch processing acceptable for your operations? Best Regards, Fizza Nadeem K
$250 AUD in 5 days
6.0
6.0

Hello, I came across your WooCommerce-POS Sync Integration and I am very interested in working with you. I have reviewed your requirements and full understand the scope of expectations. I specialize in PHP, WordPress, and have successfully delivered similar projects before. I am committed to delivering high-quality work with reliability, clarity and professionalism. I work transparently throughout the project progress, deadlines and expectation stay clear at every stage. I would be glad to disucss further details and am ready to start immediately. Looking forward to hearing from you. Regards. Anum
$250 AUD in 4 days
6.0
6.0

Proposal generation failed.
$625 AUD in 4 days
6.2
6.2

Regarding your integration project, I've got the technical insight to pinpoint potential data sync lags that can disrupt your operations. I ensure seamless data flow by optimizing API calls for real-time updates and deliver a robust system where inventory, orders, and customer data are always aligned. In a recent project, I integrated WooCommerce with SquareUp, achieving a 99.9% sync accuracy rate, ensuring seamless operations across platforms. I include 30 days of post-deployment bug-fixing to keep everything smooth. Which API endpoints do you find most critical for your daily operations? Let's discuss how I can tailor this connection to your needs.
$250 AUD in 5 days
5.9
5.9

Sydney, Australia
Member since Jun 10, 2026
₹1500-12500 INR
€12-18 EUR / hour
$3000-5000 USD
$10-30 USD
₹12500-37500 INR
₹1500-12500 INR
$30-250 USD
₹12500-37500 INR
₹12500-37500 INR
₹600-1500 INR
₹1500-12500 INR
$250-750 USD
₹1500-12500 INR
₹1500-12500 INR
₹12500-37500 INR
₹750-1250 INR / hour
$15-25 AUD / hour
$250-750 USD
$250-750 USD
$10-30 USD