SAP-to-Bank Payment Automation via n8n
Budget: ₹12,500 – ₹37,500 INR
# 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.
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.