PeriOne GST API platform logo
Simplifying Finance Operations Through Powerful APIs.

India's Unified API Platform

PeriOne gives Indian businesses one implementation surface for all API integrations, e-Invoice generation, e-Way Bill extensions, and GST filings across applications, platforms, and ERP systems.

Financial APIs Covering Banking, GST, e-Invoicing, e-Way Bill, KYC, and more.
Direct Pass-Through APIs for Faster, Simpler Integrations
From Startups to Enterprises, One API Platform for Every Business

Typical rollout

Sandbox first, production ready

Build-ready

Multiple

APIs

Sandbox

to Production

ERP

Ready Workflows

workflow-outline.txt

1. GET /einvoice/authenticate

2. Generate IRN using the e-Invoice API

3. Generate and update e-Way Bills

4. File GST returns and retrieve records

Use the authentication documented for each API suite.

Reliable API Infrastructure

Secure Connectivity. Enterprise-Grade Infrastructure

PeriOne simplifies enterprise integrations by providing secure, scalable financial APIs through a single platform.

Unified Connectivity Across Multiple GSPs, IRPs, and Government Platforms

PeriOne delivers enterprise-grade financial APIs through authorized GSPs, IRPs, and government integrations, helping businesses launch faster while eliminating the complexity of multiple integrations.

99.99% Uptime

High-availability infrastructure keeps critical GST, e-Invoice, e-Way Bill, and validation workflows running reliably.

Pass-Through Live Data from Government Servers

PeriOne works as a pass-through layer for live government server responses, so your systems receive current workflow data.

Security and Audit Discipline

Authentication, encrypted transport, controlled access, and implementation-level traceability are designed into every workflow.

Our APIs

Multiple Financial & Compliance Workflows. One Unified Platform

Start with the API you need today, then seamlessly expand to GST, e-Invoicing, e-Way Bill, Banking, KYC, Vehicle, and Business Verification APIs through one unified platform.

IRN

Core Flow

e-Invoice API

IRN, QR, and e-Way Bill generation

Use 10 APIs for authentication, GSTIN lookup and sync, IRN generation, retrieval, cancellation, rejected IRNs and e-Way Bill linking.

  • IRN Generation
  • Cancellation
  • e-Invoice Retrieval
  • Generate e-Way Bill Using IRN
Explore Workflow

e-Way Bill

Core Flow

e-Way Bill API

Extend and Consolidated Workflows

Use 26 APIs for generation, retrieval, Part-B and transporter updates, multi-vehicle movement, consolidated bills, validity, cancellation, rejection and closure.

  • Generate e-Way Bill
  • Part-B Updates
  • Extend e-Way Bill
  • Consolidated e-Way Bill
Explore Workflow

Validation

Core Flow

GST API

Validation and GST Filing

Connect GST search and authentication, GSTR-1/1A, 2A/2B/2X, 3B, 4A/4 Annual, 9/9C, IMS, notices, ledgers and e-Invoice data.

  • GST Return Filing
  • Purchase Reconciliation
  • IMS and Notices
  • Cash and ITC Ledgers
Explore Workflow

e-KYC

Core Flow

e-KYC APIs

Identity and onboarding workflows

Search PAN and GST data, link PAN to GSTIN, verify companies and directors by CIN/DIN, and check Udyam registrations.

  • PAN and GST Search
  • MCA Company and Directors
  • PAN-to-GSTIN
  • Udyam Verification
Explore Workflow

VAHAN

Core Flow

VAHAN and SARATHI APIs

Vehicle and transport data workflows

Retrieve GST, licence, vehicle, chassis and engine details, e-Challan records, FASTag information and toll plaza data through nine APIs.

  • DL and Vehicle Verification
  • Chassis and Engine Lookup
  • e-Challan Details
  • FASTag and Toll Search
Explore Workflow
Why PeriOne

India's Unified API Platform

Access all your business APIs from one platform. From GST, e-Invoice, e-Way Bill, and KYC to PAN, Vehicle, Banking, and many more. PeriOne provides a single integration with enterprise-grade reliability, security, and performance.

Security at Every Layer

PeriOne secures every API with strong authentication, encrypted communication, and enterprise-grade access controls, ensuring safe integrations from sandbox to production.

High-Performance Infrastructure

Designed to process millions of API requests with low latency, high availability, and reliable performance.

Intelligent Data Validation

Every API validates requests against standardized data structures, ensuring accurate, consistent, and reliable integrations across financial, compliance, and verification workflows.

Seamless Integration

Standardized APIs, structured JSON responses, and developer-friendly SDKs make integration fast, simple, and reliable.

Built for Reliability

Automatic retry handling, resilient processing, and consistent error responses help ensure uninterrupted API operations.

Operational Visibility

Monitor API activity, track requests, and access detailed logs and diagnostics to ensure reliable performance and faster issue resolution.

Interactive Swagger Documentation

Understand the API Before You Build

Authenticate, test APIs, and explore request and response examples before integrating with your application.

Developer-Friendly API Examples

Ready-to-use HTTP request examples and sample payloads help you integrate faster with minimal development effort.

Clean JSON Responses

Well-structured, developer-friendly JSON responses simplify integration and reduce development effort.

Service-Specific Environments

Confirm sandbox availability for your service; e-KYC and VAHAN currently provide production access.

# e-Invoice authentication; use server-side environment variables.
curl --get 'https://staging.perione.in/einvoice/authenticate' \
  --data-urlencode "email=$PERIONE_EMAIL" \
  -H "username: $PERIONE_USERNAME" \
  -H "password: $PERIONE_PASSWORD" \
  -H "ip_address: $PERIONE_IP_ADDRESS" \
  -H "client_id: $PERIONE_CLIENT_ID" \
  -H "client_secret: $PERIONE_CLIENT_SECRET" \
  -H "gstin: $PERIONE_GSTIN"
Response200 OK
See the e-Invoice API reference for the authentication response schema.
Getting Started

Go Live in 3 Simple Steps

Our streamlined onboarding process helps your team integrate, validate, and deploy APIs faster, ensuring a smooth transition from sandbox to production.

01

Free Sandbox Access

Register for API access and confirm the environment available for your service. Use sandbox testing where supported; e-KYC and VAHAN currently provide production access.

  • No Credit Card Required for Evaluation
  • Interactive Swagger Testing
  • Ready-to-Use SDKs
02

Configure Authentication for Your API

Use the credentials, tokens and headers documented for your selected API service.

  • Service-specific token headers
  • Structured payload patterns
  • Implementation guidance
03

Go Live in Production

After successful testing, activate your production environment, update your credentials, and start processing live API requests with confidence.

  • Production Setup
  • Ready to Scale
  • Go-live support
Who We Serve

Built to Scale from Startup to Enterprise

PeriOne is built for businesses that need secure, reliable, and easy-to-integrate APIs for financial, compliance, and business workflows.

Enterprise Businesses

Seamlessly integrates with SAP, Oracle, Microsoft Dynamics 365 Business Central, and custom ERP systems.

ERP MappingCustomer DeliveryWorkflow Design

Fintech Companies

Designed for fintech companies that require seamless integration with banking, compliance, verification, and business APIs.

Embedded WorkflowsScalableProduct-Led

ERP Providers

Helping ERP providers integrate GST, e-Invoicing, e-Way Bill, banking, KYC, and verification APIs through a single platform.

REST APIsSandboxStructured Responses

Logistics & Supply Chain Platforms

Empowering logistics and supply chain platforms with secure APIs for transportation, compliance, verification, and business data.

DispatchTransportOperational Control
Security & Compliance

Advanced Security Controls

Built-in security features, including authentication, encryption, and access controls, help protect your APIs and business data at every stage.

Schema-Driven APIs

Consistent data structures and API workflows simplify integration across financial, compliance, identity verification, vehicle verification, and business APIs.

End-to-End Encryption

Protect every API request with encrypted communication, secure authentication, and controlled credential management across all environments.

High Availability

Designed for continuous operation with resilient infrastructure, request tracking, and dependable API performance.

Platform Features

Everything You Need to Build Faster

Everything you need to integrate, test, secure, and scale your financial and business APIs, all from one unified platform.

API Authentication

Use service-specific credentials and token headers to authenticate calls to the API suite your workflow needs.

Reliable API Delivery

Built with high availability, intelligent retry mechanisms, and resilient infrastructure to ensure consistent API performance at scale.

Interactive Swagger & SDKs

Explore APIs with interactive Swagger documentation and accelerate development using official SDKs for .NET, Java, Node.js, PHP, Python, and more.

Enterprise Support

From sandbox onboarding to production deployment, our technical experts help you integrate and scale with confidence.

Real-Time Monitoring

Monitor API health, request status, and performance with comprehensive operational insights and diagnostics.

Structured JSON Responses

Standardized request and response formats make integration seamless across ERP systems, finance platforms, and enterprise applications.

Enterprise Security

Protect every integration with strong authentication, TLS encryption, API key management, IP whitelisting, and enterprise-grade access controls.

Smart Request Validation

Built-in validation ensures consistent request structures, reduces integration errors, and improves API reliability across every workflow.

Simple, Flexible Pricing

One platform. One pricing approach

Access all PeriOne APIs with customized pricing based on your API volume, business requirements, and the services you use.

What PeriOne Offers

Free sandbox access for supported services
Environment-specific credentials
Production onboarding support
Usage-based commercial plans
Technical point of contact
Escalation and SLA options
Operational monitoring support
ERP and workflow rollout guidance

Enterprise & Custom Plans

Commercials matched to rollout stage

Flexible pricing tailored to your API volume, business requirements, and the APIs you need, ensuring the best value as your business grows.

Documentation

Developer-First API Documentation

Comprehensive API documentation, interactive Swagger, SDKs, code samples, and integration guides to help developers build and deploy faster.

Getting Started with Authentication
Copy-ready request examples
Official error-code references
Explore API Docs
Built for every business

Deployment Made Simple

Powering finance, logistics, ERP, fintech, and B2B applications with secure, scalable, and enterprise-grade APIs.

ERP & Accounting Software Integration

Connect PeriOne with SAP, Oracle, Microsoft Dynamics 365 Business Central, Tally, Zoho Books, or your custom ERP through a single API integration.

ERP IntegrationAccounting SoftwareStructured JSONService-Specific Authentication

Logistics & Transport APIs

Automate e-Way Bill generation, vehicle verification, VAHAN, SARATHI, and transport workflows with secure, enterprise-grade APIs.

e-Way Bill APIsVehicle VerificationVAHAN & SARATHILogistics Automation

Financial & Compliance APIs

Access GST, e-Invoicing, Banking, KYC, Verification, and business APIs through one unified platform designed for modern enterprise applications.

GST & e-InvoiceBanking APIsKYC & VerificationDeveloper Friendly
FAQ

Frequently Asked Questions

Common questions about GST API integration, e-Invoice automation, e-Way Bill workflows, and ERP connectivity.

e-KYC covers PAN and GST search, PAN-to-GSTIN, MCA company and director checks, and Udyam. VAHAN covers GST, driving licence, vehicle, chassis, engine, e-Challan, FASTag and toll plaza lookups.

Still have questions?

We're here to help!

Free Sandbox Access