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I need a small, reliable service that sits between Busy Accounting Software (desktop) and my cloud-based ERP. The goal is simple: every time my ERP creates an invoice, payment voucher, credit note or debit note the same document must appear in Busy instantly—no manual export-import, no delays. My ERP already exposes a well-documented REST API and its data lives in MySQL. Your task is to read the new or updated records, apply the correct field mapping (most fields match one-to-one, but a handful will need custom logic for tax and cost-centre breakdowns) and then push the payload into Busy through the method you know best—SDK, XML import, ODBC or any proven Busy integration technique. Key expectations • Sub-second or near real-time sync for invoices, payment vouchers and credit/debit notes • Bi-directional error handling with retry, conflict logging and a simple dashboard or log file so accounts staff can see what happened and why • Configuration file where I can adjust Busy company/path, ERP API key and mapping tweaks without touching code • Lightweight Windows service or executable that starts with the machine and keeps running unattended Acceptance will be based on a live demo using my staging ERP database: when we create or edit a document, the same entry must appear in Busy with identical values and no duplicates. Source code and a brief deployment guide are part of the hand-over. If you’ve connected Busy before or built REST-to-desktop bridges in .NET, Python, or Node, this should be straightforward—let me know how you plan to tackle the real-time polling/webhook and the Busy insertion mechanism.
Project ID: 40488177
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70 freelancers are bidding on average ₹25,476 INR for this job

With over a decade of experience in the software industry and a strong background in integrating various platforms, my team at Carol Data Technology is more than capable of providing a reliable solution for your Busy-ERP real-time sync connector. Our meticulous approach to web development, testing, and project management aligns perfectly with your need for a lightweight, unattended Windows service that ensures sub-second or near real-time sync. We have successfully executed similar projects using APIs and MySQL databases in the past with great precision. Furthermore, our proficiency in using .NET, Python, and Node makes us well-equipped to handle the REST-to-desktop transcoding you require. We clearly understand the significance and complexity of tax and cost-center breakdowns and can design custom logic to handle these with ease. In addition to our tech-savvy competencies, what distinguishes us from others is our commitment to superior customer service. We always prioritize clear and consistent communication throughout the project lifespan, including timely daily progress reports. Our goal is not just to complete projects but to build long-lasting relationships that are based on trust and mutual satisfaction - something we achieve through our 45-day error-free service guarantee. Please consider Carol Data Technology for your ERP integration needs; I assure you will not be disappointed.
₹25,000 INR in 15 days
7.3
7.3

Hi there, I’ve reviewed your PHP project requirements and would be glad to help. With 5+ years of experience in PHP and backend development, I specialize in creating secure, scalable, and high-performing web applications using modern frameworks like Laravel and CodeIgniter. I’ll begin with a clear development plan, share regular progress updates, and ensure the final product is well-tested and optimized for performance and security. Let’s connect to discuss your project goals — I’m ready to get started! Best, Bhargav PHP Developer | Laravel & Backend Expert
₹25,000 INR in 7 days
6.8
6.8

Your Busy sync will fail under concurrent writes if you rely on simple polling without a transaction queue. When two invoices hit your ERP within the same second, the connector will either skip one or create duplicates in Busy unless you implement proper event sequencing. Before architecting the solution, I need clarity on two things: Does your ERP support webhooks or do I need to poll the MySQL change log? And which Busy version are you running - does it expose the SDK or should I use XML import with file-watch triggers? Here's the architectural approach: - MYSQL CDC: Implement change data capture using triggers or binlog streaming to detect new invoices/vouchers the moment they're committed, eliminating polling lag and reducing database load by 80%. - .NET WINDOWS SERVICE: Build a self-healing service with retry logic, dead-letter queue for failed syncs, and SQLite-based conflict log that your accounts team can query without touching production databases. - BUSY XML INTEGRATION: Generate compliant XML payloads with proper tax breakdowns and cost-centre mapping, then use Busy's import API or monitored folder approach depending on your version's capabilities. - CONFIG-DRIVEN MAPPING: JSON configuration file for field mappings, API credentials, and retry thresholds so you can adjust tax logic or add new document types without redeploying code. I've built 4 similar ERP-to-desktop connectors including one for Tally that processed 2K transactions daily with zero data loss. I don't take on projects where the Busy integration method isn't confirmed upfront - let's schedule a 15-minute call to verify your Busy version supports programmatic insertion and discuss failure scenarios before starting development.
₹22,500 INR in 7 days
6.5
6.5

Hi there, I’ll build a lightweight Windows service that reads new/updated invoices, payment vouchers and credit/debit notes from your MySQL-backed ERP REST API and pushes them into Busy using Busy’s XML/ODBC import technique for deterministic, near real-time insertion. - Deliverable: Windows service (C# .NET or Python exe) that polls/webhooks ERP, applies one-to-one field mapping plus custom tax and cost-centre logic, and constructs Busy-ready XML/ODBC payloads. - Deliverable: Reliable push with retry, conflict logging, and a simple web dashboard/log file showing sync status, errors and retry history. - Deliverable: Config file (Busy company/path, ERP API key, mapping tweaks) plus source code and deployment guide for staging demo. - Risk/QA: backup checkpoint + rollback plan, staged deployment and post-fix validation to prevent duplicates. Skills: ✅ Busy XML/ODBC import ✅ ERP REST API / MySQL ✅ field mapping & transformation logic ✅ Windows service / .NET executable deployment ✅ retry/conflict logging, monitoring, post-deploy validation ✅ (optional) Python integration for lightweight agent Certificates: ✅ Microsoft® Certified: MCSA | MCSE | MCT ✅ cPanel® & WHM Certified CWSA-2 I’m ready to start immediately; Is the staging ERP accessible with an API key and can you provide the Busy company/path for the live demo? Price: $12,500 , Delivery: 1 day Best regards,
₹12,500 INR in 1 day
5.9
5.9

Hello there, we are a team of AI Automation and Web Software developers and we can do this project in no time. Please, send me a message to discuss the work. Thanks Ashish Kumar.
₹25,000 INR in 7 days
5.9
5.9

I have read your job post and I would love to help build the integration service between your ERP and Busy Accounting Software. I am a Full Stack Developer with experience in .NET, Python, REST APIs, Windows services, accounting system integrations, and data synchronization solutions. I have worked on middleware applications that connect cloud platforms with desktop software, handling real-time synchronization, field mapping, error recovery, and audit logging. My approach is to build a lightweight Windows service that continuously monitors your ERP through webhooks (preferred) or efficient polling, transforms the data according to your business rules, and securely pushes transactions into Busy using the most reliable integration method supported by your Busy installation. The solution will include near real-time synchronization for invoices, payment vouchers, credit notes, and debit notes, configurable field mappings, duplicate prevention, retry mechanisms, detailed logs, conflict tracking, and a simple monitoring dashboard. I will also provide complete source code, deployment documentation, and testing support to ensure smooth operation in your staging and production environments.
₹25,000 INR in 20 days
5.9
5.9

Hello, I’m Karthik, a Full-Stack Developer and Solution Architect with 15+ years of experience in ERP integrations, accounting automation, and real-time data synchronization. I can build a reliable Windows service to sync Invoices, Payment Vouchers, Credit Notes, and Debit Notes from your ERP to Busy in near real-time using REST APIs, MySQL, and Busy integration methods (SDK/XML/ODBC). Key features: • Real-time sync with webhook/polling • Configurable field mapping and tax logic • Retry handling, duplicate prevention, and error logging • Simple dashboard/log viewer for monitoring • Auto-start Windows service • Complete source code and deployment guide I have extensive experience building middleware solutions that connect cloud platforms with desktop accounting systems while ensuring accuracy, performance, and zero manual intervention. Looking forward to discussing your Busy version and integration preferences. Regards, Karthik 15+ Years | ERP Integrations | .NET | Python | Node.js
₹50,000 INR in 7 days
5.6
5.6

As an accomplished web and software developer, I possess the necessary skill set to excel in this project. I have extensive experience building REST-to-desktop bridges in .NET, Python, and dealing with MySQL databases. With my expertise, your need for sub-second or near real-time sync between Busy Accounting Software and your ERP can be met without any compromise on data integrity or productivity. I understand the significance of seamless data transfer for your business processes: a slight delay or an error can have bigger consequences. This realization drives me to ensure bi-directional error handling with retry and conflict logging mechanisms that will leave zero margin for discrepancies. Additionally, keeping your team informed of these operations through a simple dashboard or log file will further enhance productivity. Apart from meeting all the fundamental requirements of this project, I am committed to delivering technological solutions designed for long-term success—ensuring they are scalable, efficient, and driven by robust architecture. You can trust me to build not just a software but a solution that adds tangible value to your business in the long run. Let's connect your ERP with Busy swiftly!
₹20,000 INR in 5 days
5.3
5.3

Hi, I can build a lightweight, reliable integration service between your ERP and Busy Accounting Software to achieve near real-time document sync without manual intervention. I have experience building API-to-desktop bridges and can develop a Windows service/executable that continuously listens for new or updated ERP records (invoice, payment voucher, credit/debit notes), applies custom field mappings including tax and cost-centre logic, and pushes them into Busy using the most stable integration method (SDK/XML/ODBC based on your Busy setup). ✔ Near real-time sync with duplicate prevention ✔ Support for invoices, vouchers, credit & debit notes ✔ Smart field mapping with custom business logic ✔ Retry mechanism, conflict/error logging & monitoring dashboard/logs ✔ Configurable settings (Busy path, API key, mappings) without code changes ✔ Auto-start Windows service running unattended ✔ Staging demo, source code & deployment documentation included For real-time sync, I’d likely use webhook-triggered updates where possible, with a lightweight polling fallback for reliability, and implement idempotent syncing to ensure no duplicates in Busy. Best regards, Rajik
₹25,000 INR in 7 days
5.5
5.5

Given my 9+ years of experience in web and mobile development, I am confident in my ability to take on your Busy-ERP Real-Time Sync Connector project. I've built a strong foundation in working with REST APIs using the languages you require such as .NET, Python, and MySQL; this allows me to create reliable and efficient bridges between systems. In particular, I have significant experience with Busy Accounting Software and can ensure that invoices, payment vouchers, credit notes, and debit notes sync seamlessly between your ERP system and Busy. One of my core strengths is my ability to mimic real-time data sync. I understand the value of sub-second or near real-time synchronization for your business processes. By leveraging my skills with APIs and databases, I can guarantee not only an accurate field mapping but also the correct breakdown of key data such as tax and cost-centre. Moreover, I commit to providing a bi-directional error handling system with comprehensive logs to ensure transparency. In terms of delivery, I will provide meticulous documentation along with the source code for future developments along with a useful deployment guide. Lastly, as a cherry on top, my company offers free post-delivery support for three months after project completion to address any issues promptly. Choose me for this project and we'll transform your intricate requirements into seamless functionality as a well-coordinated duo, without compromise on quality or deadline adheren
₹25,000 INR in 7 days
5.4
5.4

Hello, This is exactly the kind of integration where reliability matters more than fancy UI. The main goal is simple: every ERP document should reach Busy accurately, quickly, and without duplicates. I can build a lightweight Windows service/desktop bridge that connects your cloud ERP REST API/MySQL data with Busy Accounting Software using the most stable available method—SDK, XML import, ODBC, or another proven Busy-compatible approach after checking your Busy version. For acceptance, I would test against your staging ERP database and demonstrate that creating or editing a document in ERP pushes the same values into Busy correctly without duplicate entries. Before starting, I would like to confirm: 1. Busy version and available integration option 2. Whether ERP supports webhooks or only polling 3. Sample API response for each document type 4. Tax/cost-centre mapping rules 5. Whether edited/deleted documents must also update Busy I can deliver source code, deployment guide, and a stable handover-ready sync utility. Best regards, Mayuri Integration Developer | .NET/Python | REST APIs | Accounting Software Automation
₹35,000 INR in 7 days
5.2
5.2

Hi, I am available to work on this project if you like you can discus with me in private message I start work as soon as possible...
₹12,500 INR in 7 days
5.5
5.5

Hi Mate , Wishing you success on your project! I'm a seasoned developer specializing in API, XML, Data Integration, MySQL, Python, REST API, .NET and PHP. I will deliver Busy-ERP Real-Time Sync Connector with clean code, responsive design, and SEO-optimized structure — on time and within budget. ✅ 9+ Years in Web Design & Dev ✅ Best Price & Quality Combo ✅ Unlimited Revisions ✅ Free 3 Months Technical Support Please let's connect to see my past work and talk more about your vision. Looking forward to working with you
₹12,500 INR in 5 days
4.8
4.8

Hi there, Given my extensive skills in .NET, MySQL, PHP, Python, and REST API development, I am confident that I can proficiently tackle the complexities of your Busy-ERP real-time sync connector project. My career has been rooted in developing robust and efficient tools and I have actually built REST-to-desktop bridges in all the languages you've mentioned. This means I'm not only familiar with Busy Accounting Software but also possess the expertise to read data from a MySQL source and synchronize it with your cloud-based ERP using your provided REST API. Reliability and performance are my priorities when it comes to projects like yours which requires sub-second or near real-time sync. I would design an integration mechanism that employs efficient polling and webhooks to ensure any new or updated document on your ERP is quickly reflected in Busy without delays. And to guarantee uninterrupted functionality, my approach includes comprehensive error handling with retry functionalities, conflict logging, and a simple dashboard for easy troubleshooting by accounts staff.
₹25,000 INR in 3 days
4.9
4.9

Drawing from my robust eight years in web and app development, I am well-versed in the crucial skills you've outlined for this project. My solid experience with Busy Accounting Software and REST-to-desktop bridges in Python places me at the ideal position to accomplish your task with ease. I understand the paramount importance of real-time sync for your ERP records, and I assure you that your expectations will not only be met but surpassed. My expertise in working with Busy’s SDK, XML import, and ODBC will allow me to seamlessly integrate your cloud-based ERP utilizing its REST API without any hassles. My proficiency in handling complex field mapping exercises guarantees that even tax and cost-center breakdowns won't pose a challenge. Moreover, I assure you a clean and efficient project through lightweight Windows service or an executable that requires minimal supervision. I also understand the significance of error-handling systems; therefore, I'll implement bi-directional error handling with retries, conflict logging specifically tailored to keep your Accounts staff informed. Finally, my commitment to open communication throughout the project ensures you total control over important configurations even after completion.
₹25,000 INR in 7 days
4.7
4.7

Building bridges between systems is my specialty—let me paint a clearer picture. Over the years, I have amassed a wealth of experience in PHP development and API integration, making me an ideal candidate for the real-time sync connector you need for Busy Accounting Software and your cloud-based ERP. In fact, I have built REST-to-desktop bridges in all three languages you mentioned: .NET, Python, and Node. This adaptable skillset allows me to tackle projects like yours with innovation and efficiency. In particular, my extensive understanding of MySQL—as well as bus interfacing data—enables me to seamlessly undertake the task of synching data between your ERP and Busy Accounting Software. My proficiency in mental gymnastics when it comes to custom logic will come in handy for the tax and cost-centre breakdowns you mentioned. I believe that your satisfaction hinges on effective communication and I intend to walk the talk. Not only will I execute a detailed handover, providing you with the full source code and a comprehensive deployment guide, but there will also be an easy-to-use configuration file for your tweaking needs. With me on board, you can expect sub-second or near real-time sync alongside bi-directional error handling with retry capabilities and conflict logging—transforming this once manual process into an efficient mechanism that will simplify financial transactions for good.
₹12,500 INR in 7 days
3.9
3.9

With my extensive background in web and software development, including mastery of critical languages like PHP, Python, MySQL; and technologies like API Development, Database Design, I strongly believe I have the skills and experience to fulfil your demanding ERP project requirements. More so, being a contributor to modern JavaScript frameworks and tools means I am always at the cutting edge of latest integration techniques. Having built REST-to-desktop bridges before in several high-profile projects using .NET technology, I consider the real-time polling/webhook and Busy insertion mechanism tasks within my scope of expertise. Additionally, I've connected Busy accounting software previously, which makes your project a natural progression for me. Most importantly, with every project I undertake, I strive to put in place impeccable error handling mechanisms that include logging of conflicts for easy tracing and resolution by your accounts staff. Ultimately, hiring me would mean securing the services of someone well-versed with ERP systems alongside their configuration requirements. Working with me offers stability yet embracing advancement through technology enrichment. Let's have that live demo on your staging ERP database!
₹12,500 INR in 7 days
3.5
3.5

I'm excited to bid on your Busy-ERP Real-Time Sync Connector project. Based on your clear requirements, I'll develop a small, reliable service that bridges the gap between your desktop Busy Accounting Software and cloud-based ERP. To achieve sub-second or near real-time sync for invoices, payment vouchers, credit notes, and debit notes, I'll leverage your ERP's well-documented REST API and MySQL database. I'll apply the correct field mapping, handling custom logic for tax and cost-centre breakdowns as needed. To integrate with Busy, I'll use the most efficient approach, likely XML import through the Busy SDK, given its popularity. I'm confident in delivering a seamless, manual-export-free integration. My expertise in PHP, XML, Python, .NET, MySQL, API, and data integration ensures a high-quality outcome. Best regards, Manish S. Would a focus on high availability and failover options be beneficial in ensuring the reliability of our real-time sync service?
₹12,500 INR in 2 days
3.1
3.1

Hi, I can build a lightweight Windows sync service that bridges your ERP REST API with Busy Accounting Software, handling real-time invoice/voucher sync, field mapping, and reliable error-retry mechanisms with zero duplicate entries. I’ll implement a robust integration layer (polling/webhook hybrid), configurable mapping system, and logging dashboard/service logs using .NET or Python, ensuring stable unattended operation and near real-time synchronization.
₹25,000 INR in 7 days
3.1
3.1

Hello, I can build the Busy ERP real time sync connector between your cloud ERP and Busy Accounting Software as a lightweight Windows service or executable. I understand the main requirement is reliable document sync without manual export or import. I can read new and updated invoices, payment vouchers, credit notes, and debit notes from your ERP API or MySQL database, apply the required field mapping, handle tax and cost centre logic, then push the data into Busy using the most stable method available, such as XML import, ODBC, SDK, or another supported Busy integration route. I can include configuration for Busy company path, ERP API key, sync frequency, and mapping rules, along with retry logic, duplicate prevention, conflict logging, and a simple dashboard or log view for accounts staff. I can also test the full flow on your staging ERP so document creation or edits appear correctly in Busy with matching values. I have experience with REST APIs, MySQL, Windows services, data integration, XML based workflows, and desktop to cloud sync tools. Best regards Ankit
₹12,500 INR in 2 days
3.0
3.0

India
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