Build custom REST APIs in Busy Accounting Software

@anshumanvermaUK

Hello I can integrate Busy Accounting with your CRM by building secure, well-documented REST APIs to sync customers, invoices, payments, and balances bi-directionally. I’ll handle Busy’s DB structure, field mapping, and authentication, and ensure clean JSON responses and stable high-volume performance. Thanks Anshuman

@Marinus06

My skills and experience align perfectly with what you're looking for. I will seamlessly integrate Busy Accounting with your CRM system, creating clean, reliable APIs for automated data flow. While I am new to freelancer, I have tons of experience and have done other projects off-site. I specialize in .NET frameworks and have successfully integrated CRMs before. I’d be happy to discuss your project in more detail! Regards, Marinus Botha

@waleeds05

Hi there, I can integrate Busy Accounting with your CRM via APIs, enabling seamless data flow between accounting and customer management systems. The integration will ensure accurate synchronization of invoices, payments, customer records, and reports, streamlining your workflow and improving efficiency. Best regards, Waleed Saleem

@abdf2010

Hello, I liked your project Busy Accounting–CRM Integration APIs, which aligns perfectly with my professional expertise. I bring extensive experience in PHP, JavaScript, .NET, I can ensure timely delivery within 3 days. I'm committed to exceeding your expectations and would welcome the opportunity to discuss your requirements in detail.

@vandanacode

Hello, I’d be happy to help you with integrating Busy Accounting software with your CRM using APIs. With strong expertise in API development, ERP/CRM integrations, and accounting workflows, I can ensure a seamless and secure data flow between the two systems. ✅ What I Can Deliver: API integration between Busy Accounting & CRM Sync of customers, invoices, payments & ledgers Real-time or scheduled data synchronization Error handling & duplicate prevention Secure authentication & data protection Documentation & ongoing support I’ve previously delivered accounting + CRM integrations (Tally, QuickBooks, Odoo, Zoho) ensuring accurate financial data and smooth business operations. ? Quick Question: Do you prefer real-time sync between Busy & CRM, or is a batch update (daily/weekly) sufficient for your workflow? Looking forward to collaborating on this integration. Best Regards, Vandana S

@IsaacSmith77

Hi, I can easily DO your work IN 24 HOURS, DM me now to get started, PRICE NEGOTIABLE 100% Work satisfaction is provided!

@tamannarajput18

With robust experience in RESTful API Development and Integration, I assure you that I have the in-depth knowledge and familiarity with Busy's internal architecture that is crucial to seamlessly uniting your accounting system with your CRM. Over the past 6 years, I've taken on numerous similar projects, connecting different CRM stacks for various clients, which has sharpened my skills in ensuring data consistency across multiple systems. As per your requirement for this project, I'll analyze Busy's database structure and any existing SDKs to design, build, test and map field-to-object endpoints efficiently. To guarantee a smooth workflow and replicability of implementation in a staging environment, I'm ready to provide comprehensive technical documentation along with a quick-start guide for your in-house team. My proficiency extends to implementing secure authentication and clear error handling to deliver reliable APIs that require minimal manual intervention. With my services, you can be sure that all specified entities sync seamlessly in both directions without any data loss. Furthermore, I don't just stop at project completion . As for the estimated timeline for each milestone, considering the complexity of this project, I would propose an initial timeline discussion once we delve deeper into the project details. This will ensure that my estimations align closely with your requirements and help me chart out a reliable implementation roadmap.

@hem281

I understand your requirement of connecting Busy Accounting with your CRM so both systems exchange data (customers, invoices, payments, etc.) seamlessly. Here’s how I can help: Analysis – Review Busy’s database structure and SDK (if available) to understand integration points. API Development – Build secure REST-style endpoints for customers, sales, receipts, balances, and lookups. Integration & Mapping – Ensure fields are mapped correctly with your CRM objects so data stays consistent in both directions. Testing – Stress test with high transaction volume, validate JSON schema, and implement robust error handling. Documentation – Provide a clear setup guide so your in-house team can replicate in staging/production easily. I have worked on accounting + CRM integrations before (with Zoho CRM, HubSpot, and custom .NET backends), ensuring smooth sync of invoices, contacts, and payments.

@Rsmscm

Hello, I have gone through your requirements carefully and I fully understand the scope of integrating Busy Accounting with your CRM through secure, reliable APIs. My Approach Analysis & Design Review Busy’s database schema and available SDK. Prepare API design covering customer, invoices, receipts, outstanding balances, and lookups. API Development Develop REST-style endpoints with proper authentication and error handling. Ensure adherence to JSON schema and status codes. Data Mapping & Sync Map Busy’s entities to your CRM objects. Implement two-way synchronization logic with consistency checks. Testing & Validation Perform functional testing, stress testing (500+ transactions). Deploy in staging with documentation for replication. Deliverables Fully functional API layer between Busy & CRM. Field mapping documentation. Setup/Quick-start guide for your team. Support during UAT. Timeline (Estimate) Week 1: Requirement analysis, DB/SDK study, API design. Week 2: Core API development (customers, invoices, receipts). Week 3: Testing, error handling, stress testing. Week 4: Documentation, deployment, handover.

@josemoranfe

Hello client , I can build a reliable set of Spring Boot REST APIs to integrate Busy Accounting with your CRM so that customer, invoice, and payment data syncs automatically in both directions. I have experience designing secure, scalable APIs with Spring Boot + JPA, including integrations with third-party CRMs and financial systems. My approach: Analyse Busy’s database schema and/or SDK. Design REST endpoints (customers, invoices, receipts, balances, lookups). Implement with secure authentication, validation, and error handling. Map Busy fields to your CRM objects for data consistency. Stress test up to 500 sequential transactions. Deliver concise documentation and setup guide so your in-house team can replicate the environment. Deliverables: Clean JSON APIs with status codes Bi-directional data sync without manual work Setup replicable in staging with only the provided docs Question: Does Busy provide an official SDK or API we can build on, or should the integration connect directly to its underlying database (e.g., SQL Server)? This will determine whether I build a wrapper over the SDK or work via direct DB mapping in Spring. Timeline: 1–2 weeks depending on access to Busy’s environment. Budget: Within your range (₹25,000 INR mid-point). Best regards, Jose M.