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# Vendor Payment Automation – Requirement Overview We are currently using **SAP ECC** and would like to automate our vendor payment process by integrating SAP with our banking partners through a middleware platform. Our proposed middleware solution is **n8n**, which will act as the integration layer between SAP and multiple banks. ## Current Requirement The overall payment process should work as follows: ### 1. Payment Request from SAP * SAP will expose the required APIs to share payment information with the middleware. * The API payload will contain details such as: * Vendor information * Payment document details * Invoice details * Payment amount * Bank account details * Payment mode (NEFT/RTGS/IMPS, etc.) * Company code * Other required payment-related information. ### 2. Middleware (n8n) The n8n platform should: * Consume the APIs exposed by SAP. * Validate the incoming payment data. * Transform the data into the format required by the respective bank. * Support integration with multiple banks such as: * HDFC Bank * SBI * ICICI Bank * Other banks in the future without requiring major changes in SAP. * Invoke the bank's payment APIs securely. * Receive the payment response from the bank. * Process success, failure, pending, and rejected payment statuses. ### 3. Status Update to SAP After receiving the response from the bank, n8n should call the corresponding SAP APIs to update: * Payment Reference Number * UTR Number * Transaction Status * Bank Response * Error Message (if any) * Payment Date & Time * Any additional confirmation details. This ensures that SAP always reflects the latest payment status. ## Monitoring & Administration The middleware should provide a monitoring dashboard that enables us to track: * Total payment requests received * Successfully processed payments * Failed payments * Pending transactions * Retry status * API failures * Response time * Complete transaction logs * Audit trail * Exception handling ## Security Requirements The solution should include: * Secure API authentication * HTTPS communication * API Key/OAuth/JWT (as applicable) * Data encryption during transmission * Audit logging * Role-based access control * Error notifications and alerts * Retry mechanism for failed transactions ## Scalability The architecture should be scalable so that additional banks can be integrated in the future without requiring significant changes to the SAP interface. ## Project Deliverables We would like the implementation partner to provide: * Overall solution architecture * n8n workflow design * API integration with SAP * API integration with banks * Error handling and retry mechanism * Monitoring dashboard * Security implementation * Testing (Unit, SIT, and UAT support) * Deployment support * Documentation * Knowledge transfer to our team ## Commercial Requirement We are looking for a **fixed-price project** rather than a time-and-material engagement. Kindly provide the following: 1. Estimated implementation effort (in hours). 2. Project duration (weeks). 3. Fixed project cost. 4. Scope of work. 5. Assumptions and exclusions. 6. Support period after go-live. 7. Payment milestones. 8. Team composition (Project Manager, n8n Developer, SAP Consultant, Integration Consultant, QA, etc.). We would like to schedule a detailed technical discussion to review the APIs, workflow, security requirements, and implementation approach before finalizing the project.
Project ID: 40549839
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41 freelancers are bidding on average ₹33,871 INR for this job

As a seasoned IT professional with an emphasis on API Integration, Automation, and a solid background in SAP systems, I am confident in my ability to deliver excellence on your SAP-to-Bank Payment Automation project. My team and I have a proven track record of using middleware platforms like n8n, ensuring seamless integration between SAP and multiple banks. Building on this expertise, we can provide an overall solution architecture inclusive of n8n workflow design, API integration with both SAP and the banks like HDFC, SBI, ICICI and more. Our considerable experience in financial operations allows us to validate and transform data swiftly and accurately to meet relevant bank requirements. Let's talk more over chat,
₹25,000 INR in 1 day
4.4
4.4

As an experienced software development studio, specializing in API integration and automation, Solves Inn is perfectly positioned to deliver the integrated payment automation system you require. Our successful collaborations with international clients across various industries has given us a deep understanding of complex requirements and the ability to create clean, scalable solutions. Specifically, we have a strong command over the necessary technologies such as n8n, SAP ECC, and bank API integrations ensuring efficient data transmission and security as per your needs. Our comprehensive services range from system architecture design to QA testing to secure and reliable deployment. We understand your concern for scalability and future readiness. By adopting our solutions, you can seamlessly integrate with multiple banks without the need for major changes within your SAP environment. The project duration and cost can be estimated once we've had a chance to thoroughly review your APIs, workflows, security requirements, and implementation approach. Let's schedule a detailed technical discussion soon!
₹15,000 INR in 3 days
3.6
3.6

Hey! As an experienced full-stack developer, specialising in automation and API integration, I am confident that I can deliver the integrated payment solution you need. I have worked on numerous business automation projects in the past, transforming complex workflows into streamlined processes. With your requirement for SAP-to-bank payment automation using n8n as a middleware platform, my skills and expertise in n8n, integration technologies, and finance systems such as SAP would be highly beneficial. Having been involved in similar projects, I understand the importance of delivering a scalable solution without imposing major changes on existing systems. My approach emphasizes clean architecture and efficient execution to ensure long-term success. With this project, I would develop a future-proof solution that can easily accommodate new bank integrations without disrupting the SAP interface. Lastly, beyond just delivering the technical implementation, I also ensure thorough documentation and knowledge transfer post-deployment. So not only will you receive a robust and well-documented implementation of your requirements but you'd also have a clear understanding of how it works and how to manage and support it going forward
₹25,000 INR in 20 days
2.2
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Hello, I hope you're doing well. I've delivered multiple SAP integrations using n8n to automate payment flows. I built an n8n bridge for a retail client that transformed SAP payment payloads and called HDFC and ICICI APIs, handling UTR capture and retry on HTTP 5xx errors. I'd start by mapping SAP API payloads, creating bank adapters in n8n, and adding JWT auth and webhook listeners. Then add logging to Elastic or Postgres. Could we have a short call to confirm the SAP API schema and preferred bank API formats this week? Thank you, Alpeshbhai M.
₹25,000 INR in 49 days
2.0
2.0

With my in-depth knowledge and demonstrated proficiency in API integration across numerous completed projects, I am confident that I can deliver the ideal solution for your SAP-to-Bank Payment Automation via n8n. Combining my comprehensive understanding of SAP ECC with my technical expertise in using middleware platforms like n8n, I will ensure that your payment request processes are streamlined, secure, and efficient. Additionally, my adeptness at working with multiple banks such as HDFC Bank, SBI, ICICI Bank perfectly aligns with your present requirement and facilitates easy scaling for future bank integrations. Scalability is always a significant factor when working with enterprise systems, and as an experienced developer, I understand the necessity of creating future-ready solutions that demand minimal alterations to the core system. My team will develop a robust workflow design for n8n, ensuring your project is delivered on-time, seamlessly integrating it with SAP and other banking APIs. This integrated workflow will enable easy status updates to SAP after receiving the response from the bank, keeping track of all necessary payment details. Lastly, my commitment to client satisfaction is unrivaled. I offer quick turnaround times for all your queries or concerns, providing dedicated project managers proficient in English who facilitate effective communication throughout our journey.
₹20,000 INR in 7 days
0.0
0.0

❤️❤️❤️ SAP ECC + n8n Payment Automation Expert ❤️❤️❤️ Hi, Your requirement is very clear and well-structured, and this is exactly the kind of integration and workflow automation project I can help with. I have experience building API-driven automation systems, middleware workflows, secure integrations, and scalable process architectures. Using n8n as the middleware layer between SAP ECC and multiple banking APIs is a strong approach because it keeps the SAP side stable while allowing future bank integrations with minimal changes. My approach would be to design a modular workflow where n8n handles SAP API consumption, validation, transformation, bank-specific adapters, status callbacks, retries, and audit logging. This will make it easier to onboard new banks like HDFC Bank, State Bank of India, and ICICI Bank later without reworking the SAP layer. I can also build monitoring dashboards, alert systems, secure authentication flows, role-based controls, and complete transaction logs for full traceability. For commercial planning, I’d recommend finalizing scope after the technical discussion because effort and fixed cost will depend heavily on SAP API readiness and each bank’s API specifications. I’m available to discuss the architecture and start planning right away.
₹20,000 INR in 7 days
0.0
0.0

As a seasoned Salesforce Technical Architect specializing in end-to-end Salesforce development and complex integrations, I possess the skills you need for this SAP-to-Bank Payment Automation project. Having built scalable and robust architectures aligned with business logic throughout my 12+ year career, I'm well-versed in designing solutions that prioritize automation to reduce manual effort. My expertise extends to REST and SOAP API integrations, which would be invaluable for integrating your SAP ECC system with the n8n middleware and desired banking partners. In addition, I've handled important end-to-end implementations which aligns with your project deliverables - solution architecture design, n8n workflow design, API integration, testing, documentation, security implementation and support during deployment. I assure you of precise attention to detail on each of these fronts sans comprimising on security.
₹12,500 INR in 1 day
0.0
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The real complexity here isn't the n8n workflows — those are straightforward to build — it's getting SAP ECC's payment APIs to talk securely to three different bank API formats while keeping SAP as the single source of truth for status. I've built production automation pipelines using AWS Lambda/EventBridge with retry logic, error handling, and audit trails for payment processing systems, so the architecture pattern here (validate → transform → invoke → write-back status) is one I've implemented before, just with banks instead of EventBridge consumers. Given the scope listed — multi-bank integration, monitoring dashboard, SIT/UAT support, and a PM/SAP consultant/QA team — this reads like a multi-week engagement that's well beyond the posted budget range. Can you confirm whether the budget shown reflects Phase 1 only (e.g. single bank, core SAP-to-n8n flow) and the rest is planned as follow-on phases?
₹20,000 INR in 5 days
0.0
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Hi, I believe with my skills, experience and attitude, I can bring a lot to you and I am excited about the prospect. My background is in web development, web designing, Integration with third party APIs & Application Programming - WordPress. I am proficient in WordPress Web Development, WordPress Shopping Cart Development, WordPress CMS Development, WordPress Website Development, WordPress Plugin Development, WordPress Support, Maintenance & Upgrade, WordPress Theming Design And Integration, WordPress Extension Development, WordPress Migration Services, PHP, HTML, JavaScript, Ajax, CSS 3 / CSS. I am presently working on the project name URBANSOCCER, a WordPress socket based application made in CodeIgniter. Some Schooling sites in PHP and also some projects in undermaintained in WordPress. I also made a website on food diet in WordPress. I am also productive and focussed working. I can work in a team or independently. Waiting for a good response from your side. Thank you Raman
₹15,000 INR in 7 days
0.0
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★•══•★ Dear Respect Client ★•══•★ Hi, My name is ⭐Pavlo⭐, and I can start your SAP-to-bank payment automation via n8n right now. I can design secure SAP ECC payment intake, validation, bank-specific transformation, HDFC/SBI/ICICI API calls, SAP status updates with UTR, retries, audit logs, alerts, monitoring dashboard, testing, deployment, documentation, and knowledge transfer. Which bank API should be used for the first pilot workflow before we extend the same structure to other banks? Best regards.
₹25,000 INR in 10 days
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THE CHEAPEST OPTION IS OFTEN THE MOST EXPENSIVE MISTAKE. HERE'S WHY CLIENTS CHOOSE TO WORK WITH ME. **Challenges**: Automating SAP-to-Bank payments can lead to costly errors if not executed meticulously. **Capabilities**: I offer expertise in configuring n8n as the middleware for seamless SAP-bank integration. **Turnaround**: A fixed-price project with estimated effort, duration, and project cost provided upfront. **Question**: How can we ensure a smooth transition during the knowledge transfer phase? I'm confident that a brief discussion will show the value I can bring to your project.
₹18,750 INR in 7 days
0.0
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As a tech strategist and developer with over 12 years in the industry, I'm confident I have the skills needed to successfully deliver this project. My expertise covers API integration and documentation - essential aspects for the success of an operation like integrating SAP with multiple banks through n8n. Moreover, I have hands-on experience with digital growth and marketing fitting perfectly into the monitoring & admin component of this task. I understand the need for proper tracking and monitoring and will ensure that the middleware solution provides a comprehensive dashboard for you to monitor payment requests, transactions, failures or successes, response time, transaction logs, among other relevant data. Further working on large-scale projects like yours involving React.js, PHP, Laravel, and ERPs gives me an edge in meeting your commercial requirement of scalability. I assure you my solution will allow for seamless integration with additional banks in future without making drastic changes to your SAP interface. In addition to technical capacity, my focus on long-term partnership means ensuring efficient support even after-implementation alongside effective communication at every stage of the project. To sum it up: Choose me for efficiency, reliability, scalability and above all for a better enhanced experience towards achieving your desired goal. Let's make your project a huge success together.
₹35,000 INR in 7 days
0.0
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Hi! The tricky part with SAP-to-bank flows in n8n isn't the happy path, it's handling partial failures, when one bank confirms and another times out, you need idempotency and a reconciliation step, otherwise you risk duplicate payments or silent drops. I've built multi-bank payment orchestration in n8n with status polling and error callbacks before. Does SAP expose standard REST APIs here, or are we working with IDoc or RFC calls?
₹12,500 INR in 14 days
0.0
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Hello, I can build a secure and reliable SAP-to-Bank payment automation workflow using n8n that minimizes manual effort and improves payment accuracy. My approach starts with understanding your SAP environment, bank integration requirements, authentication methods, and approval workflow. I’ll design an automated process that extracts payment data from SAP, validates and transforms it, securely sends it to the bank via API or supported protocols, and logs every transaction for full traceability. The workflow will include error handling, retry mechanisms, notifications, and detailed audit logs to ensure reliability. Throughout the project, I’ll provide clean, well-documented n8n workflows, regular progress updates, thorough end-to-end testing, and deployment support, delivering a scalable automation solution that is secure, efficient, and easy to maintain.
₹20,000 INR in 9 days
0.1
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Hi, The real challenge here isn't the coding — it's designing the n8n layer so SAP stays decoupled from each bank's format. Build that abstraction right, and SAP exposes one clean payload while adding any new bank needs zero SAP-side change. That's how we'd architect it. The flow: SAP shares the payload, n8n validates and transforms it per bank, securely invokes the bank API, handles every response (success/failure/pending/rejected), and writes UTR, reference and status back to SAP. 1. Effort: ~160–200 hrs 2. Duration: 5–6 weeks 3. Fixed cost: confirmed after the technical call (depends on SAP API readiness) 4. Scope: architecture, n8n workflows, SAP + bank API integration, retry/error handling, monitoring dashboard, security (OAuth/JWT, HTTPS, encryption, RBAC), testing (Unit/SIT/UAT), deployment, docs, KT 5. Assumptions/exclusions: SAP APIs and bank sandbox access provided by client; n8n licensing/hosting excluded unless specified 6. Post go-live support: 30 days 7. Milestones: design → integration build → testing → go-live 8. Team: PM, n8n developer, SAP consultant, integration consultant, QA One point from the board: we'd confirm whether the SAP APIs are RESTful JSON and sync or async, as it affects effort. A short technical call on the APIs and security will let us lock the fixed cost and timeline. Protolearn
₹37,500 INR in 40 days
3.3
3.3

As someone who specializes in automation and documentation like myself can play a crucial role in your project. I have extensive experience working with SAP, developing APIs, and integrating systems which actually makes me an ideal fit for your SAP-to-bank payment automation project. I'm well-versed with the middleware solution you've chosen, n8n, and I understand its capabilities to connect diverse systems. Your requirement of multi-bank integration won't be an issue as my vast skill set includes integrating APIs from HDFC Bank, SBI, ICICI Bank along with others which aligns perfectly with your vision for the project. With my strong past project history combined with my multi-faceted skills set has given a satisfied list of clients. The broad span of my expertise makes this a uniquely reasonable choice not just allowing us to tackle any detached technical hurdles skillfully from beginning to a successful prompt end but also creates a scope where data flows without any hindrance between banking partners through simplified APIs leading us towards designated smooth functioning alongside more banks without needing impractical SAP altercations - A true testament to efficiency and mastery. Let's get on board!
₹12,500 INR in 7 days
0.0
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With your project focused on automating vendor payments through SAP and n8n, I foresee tremendous value that I can bring. As a full-stack web developer and an expert in API integration, my proficiency aligns perfectly with the demands of this job. I have a proven track record of building and scaling robust digital solutions, as well as implementing complex workflows like the one you require. I'm very much conversant with SAP ECC and n8n, which puts me in a unique position to deliver a seamless integration between those systems and your chosen banks. I understand that your project should not only be secure but also scalable, allowing easy addition of new banks in the future. This requires an extensive comprehension of how these financial systems interact with each other - knowledge that I have acquired through hands-on experience over the years. Moreover, my digital marketing proficiency acts as an added advantage for your project. I offer not just technical services but also vast understanding in scaling online businesses, generating leads and increasing visibility. This will definitely give you additional value in terms of frontend User Interface (UI) design optimization to enhance user experiences (UX), backend solutions for uninterrupted operations and also post-launch maintenance support for your n8n solution to safeguard its efficacy and efficiency. With me, you are assured of consistent high performance throughout the project journey and beyond.
₹14,000 INR in 20 days
0.0
0.0

We know pain of a clients so we are providing the accounting services which gives a relief and satisfaction, we keep bookkep with accurate daily transactions , Tax preparation with strategic planning and filling, Finnacial Reporting monthly balance sheet, profit/loss statements ,timely employee Compliant ,employee payments etc
₹15,000 INR in 7 days
0.0
0.0

Hi, I can help you build the SAP-to-bank payment automation workflow using n8n as the middleware layer. I have experience with full-stack web applications, API integrations, dashboards, SQL-based systems, automation workflows and business process tools. For this project, I can help with: * n8n workflow architecture * consuming SAP payment APIs * validating and transforming payment data * integrating with bank APIs * processing success, failed, pending and rejected statuses * sending payment status updates back to SAP * adding retry logic, error handling and audit logs * preparing a monitoring dashboard * writing documentation and handover instructions My suggested implementation approach: 1. Review SAP API payloads and bank API documentation 2. Design the n8n workflow 3. Build the payment request intake flow 4. Add validation and transformation logic 5. Integrate the first bank API flow 6. Add status update workflow back to SAP 7. Add monitoring, logs and retry handling 8. Test with sample payloads and prepare documentation Assumptions: * SAP APIs and bank API documentation will be provided by your team * Sandbox or test credentials will be available * The first version can be implemented as a pilot for one bank, with architecture ready for adding more banks later Estimated duration: 21 days. Fixed cost: ₹25,000 INR. I am ready to discuss the API structure, authentication method, expected response flow and exact implementation scope before starting.
₹25,000 INR in 10 days
0.0
0.0

Your requirement to build a clean, bank-agnostic middleware layer between SAP ECC and multiple Indian banking partners (HDFC, SBI, ICICI, with room to add more) using n8n is exactly the kind of structured integration challenge I enjoy solving — and the detail you've put into this requirement document tells me you've already thought carefully about the architecture, which makes for a much smoother engagement. The core problem here isn't just "connect SAP to banks" — it's building a middleware that decouples SAP from every bank's unique API contract, so your SAP team never has to touch integration logic when onboarding a new banking partner. That's the real engineering discipline required, and it has to be paired with airtight status reconciliation back into SAP so your finance team always sees ground-truth payment state (UTR, reference numbers, rejection reasons) without manual intervention. Here's how I'd approach this: I'd design the n8n workflows around a canonical payment schema that SAP posts to — a single stable contract your SAP team owns. From there, bank-specific transformer sub-workflows handle the NEFT/RTGS/IMPS payload formatting for each bank (HDFC's corporate banking API, SBI's YONO Business API, ICICI's CIB APIs each have distinct structures). Each bank integration lives in its own n8n workflow module, meaning adding a fourth bank later is a new module, not a change to the SAP-facing layer. For security, I'd implement OAuth2/API-key auth per bank, enforce HTTPS at every hop, encrypt sensitive fields in transit, and build role-based access into the n8n instance itself. The retry mechanism would use n8n's built-in error workflow triggers with exponential backoff, feeding a dead-letter queue for manual review. For monitoring, I'd wire n8n execution logs into a lightweight dashboard — either n8n's native execution view enhanced with webhooks to a simple PostgreSQL-backed status tracker, or integrate with your existing ops tooling. The callback to SAP on status updates (UTR, payment date, error codes) would use the SAP APIs you expose, with structured error payloads so SAP can action failures automatically. I've built multi-bank payment integration workflows and API orchestration layers for fintech and enterprise clients, including systems that needed strict audit trails and reconciliation loops — directly relevant to what you're describing here. On commercials: your fixed-price budget range works for a well-scoped engagement. I'd want to review the SAP API specs and bank sandbox credentials before locking final numbers, which is exactly why I'd like to schedule a 15–20 minute technical call with you to walk through the API contracts, confirm bank sandbox availability, and align on go-live timeline. That conversation will let me give you a precise fixed-price quote, milestone schedule, and team composition breakdown rather than a range. Shall we find a slot this week?
₹35,000 INR in 45 days
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India
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