FastGST Tax Lookup API
API Base URL:
Base URL
Fair Use & Legal Disclaimer:
Legal & Disclaimer
Versioning & Specification
Disclaimer
Data Freshness & Updates
Policy Context
API Conventions
Base URL
Authentication
Content Types
Standard Response Envelope
Errors
Rate Limits & Fair Use
Idempotency & Retries
OpenAPI
Authentication (API Key Auth):
Authentication
Step 1: Creating Account
Login to Console
Step 2: Activating Tax Lookup API
Find “Tax Lookup API”
Activate “Tax Lookup API”
Confirm Your Activation
Step 3: Choosing a Plan
You Need A Plan
Choose a Plan
Woohoo!
Step 4: Generating API Keys
Goto API Keys Section
Access Tax Lookup API
Endpoints:
Endpoints
GET /search/hsn
Request
Query Parameters
Curl Example
Successful Response
Notes
Errors
GET /search/hsn/{code}
Request
Path Parameters
Curl Example
Successful Response
Notes
Errors
GET /search/hsn/{code}/taxes
Request
Path Parameters
Curl Example
Successful Response
Cess Example
Notes
Updates & Coverage
Errors
GET /search/sac
Request
Query Parameters
Curl Example
Successful Response
Notes
Errors
GET /search/sac/{code}
Request
Path Parameters
Curl Example
Successful Response
Notes
Errors
GET /search/sac/{code}/taxes
Request
Path Parameters
Curl Example
Successful Response
Notes
Errors
FastGST Tax Lookup API
Index
Index