IMS APIs

Invoice Management System (IMS) API ‐ Automate Your Invoice Lifecycle

Custom APIs to manage invoice ingestion, validation, reconciliation, and workflow approvals—built for scale, speed, and accuracy.

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We're excited to announce new developments in the Invoice Management System (IMS) dashboard and APIs that significantly enhance compliance workflows. Here's what's new: Key features Added

IMS Dashboard Functionality

Now, users can accept or reject records reported by suppliers through GSTR-1/1A/IFF directly in the dashboard.

New G2B APIs Introduced

IMS ‐ Get Invoice Count

Retrieves the total number of invoices under each section with their actions.

IMS ‐ Get Invoices

Provides a detailed list of invoices and the actions taken on them.

IMS ‐ Save IMS Action

Enables saving actions (Accept/Reject/Pending) on invoices in IMS.

IMS ‐ Reset IMS Action

Allows resetting previously saved actions to "no action taken" status.

IMS ‐ Get IMS Request Status

Tracks the status of save or reset requests made in IMS.

IMS ‐ Get IMS File Details

Offers URLs to download JSON files for records exceeding 500 invoices.

Why Choose Adaequare's IMS API?

Pricing

Flexible API Pricing for Enterprises

GST ‐ Returns API

GSTR 1 to 9 Data Post, Get, Submit and View/Track APIs

  • 160+ GSTN APIs
  • Data Post & Get APIs
  • Return Submit & File APIs
  • Ledger APIs
  • View & Track Returns APIs
  • ASP
    ₹ 50,000 / month

    Includes 2,00,000 API calls

  • ISV to SME
    ₹ 50,000 / month

    Includes 2,00,000 API calls

  • ISV to Enterprise
    ₹ 60,000 / month

    Includes 2,00,000 API calls

  • Enterprise
    ₹ 30,000 / month

    Includes 1,00,000 API calls

Business Benefits of IMS API Integration

  • Accelerated Invoice Approvals

    Eliminate manual approval delays

  • Data Accuracy

    Reduce mismatches and human errors in reconciliation

  • Compliance Ready

    Automates GST invoice billing and validation

  • ERP-Friendly

    Easy API plug-ins for SAP, Oracle, Tally & others

  • Custom Workflow

    Tailor invoice paths by business unit or region

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Frequently Asked Questions

1

What is an Invoice Management System (IMS) API?

An IMS API helps businesses automate their invoice workflows from data ingestion to reconciliation and GSTR-1 validation. It ensures GST compliance, real-time API calls, and seamless integration with your ERP or finance systems.

2

Can I customize invoice workflows using your APIs?

Yes, our workflow APIs let you define custom approval stages, role-based routing, and automatic escalations. This improves processing speed and ensures compliance with internal policies and GST invoice billing standards.

3

How does the GSTR-1 Reconciliation API work?

The GSTR-1 reconciliation API compares your purchase and sales invoices with filed GST returns. It highlights mismatches and helps you auto-prepare reports for corrective filing—eliminating manual errors.

4

Can I integrate IMS APIs with my ERP?

Yes. Our IMS APIs support integration with popular ERPs like SAP, Oracle, Microsoft Dynamics, and others via REST or SFTP, allowing for flexible invoice workflow automation.

5

Do your APIs help with compliance and audit readiness?

Absolutely. Our system maintains an audit trail of all API calls, workflow approvals, and data updates—ensuring you're always ready for compliance checks or audits under GST laws.