JUMP TOFynamics AuthenticationFyn-Gateway Authentication APIFyn-Gateway AuthenticationpostGST APIGST Authentication APIs (Enhanced)Request for OTPpostRequest for Authorization tokenpostLogoutpostRequest for extension of authorization tokenpostPublic APIs (Enhanced)Common AuthenticationpostCommon LogoutpostSearch TaxpayergetView and Track ReturnsgetGST Returns APIs (Enhanced)Save GSTR1putGSTR2B - Get All DetailsgetSave GSTR3B dataputSave GSTR9 dataputAPI call to save preference for taxpayersputAll - GET PREFERENCEgetAll - Get File DetailsgetAll - Get Return StatusgetGSTR1 - Get ATgetGSTR1 - Get B2B InvoicesgetGSTR1 - Get B2CL InvoicesgetGSTR1 - Get B2CS InvoicesgetGSTR1 - Get CDNR InvoicesgetGSTR1 - Get CDNUR InvoicesgetGST Payment APIs (Enhanced)Generate ChallanpostGet Challan HistorygetGet Challan SummarygetValidate Challan ReasonpostE-Way APIFyn-Gateway Authentication APIFyn-Gateway AuthenticationpostE-Way APIs (Enhanced)E-Way Bill AuthenticationpostGenerate E-Way billpostGenerate E-Way bill by IRNpostUpdate Part B | Vehicle Number UpdatepostCancel E-Way BillpostReject E-Way BillpostUpdate TransporterpostExtend ValiditypostE-Way bill detailsgetGet Other Party E-way BillgetInitiate Multi Vehicle MovementpostAdd Multi VehiclespostChange Multi VehiclespostGet EwayBill Generated By ConsignergetGet Eway Bills for Transporter by Date and State CodegetGet E-way Bills By dategetGet E-way Bills Rejected By dategetE-Way APIsE-Way Bill AuthenticationpostGenerate E-Way billpostUpdate Part B | Vehicle Number UpdatepostCancel E-Way BillpostReject E-Way BillpostUpdate TransporterpostExtend ValiditypostE-Way bill detailsgetGet Other Party E-way BillgetInitiate Multi Vehicle MovementpostAdd Multi VehiclespostChange Multi VehiclespostGet EwayBill Generated By ConsignergetGet Eway Bills for Transporter by Date and State CodegetGet E-way Bills By dategetGet E-way Bills Rejected By dategetConsolidated E-Way APIs (Enhanced)Generate Consolidated E-Way BillpostRegenerate Consolidated E-Way BillpostGet Consolidated E-Way BillgetConsolidated E-Way APIsGenerate Consolidated E-Way BillpostRegenerate Consolidated E-Way BillpostGet Consolidated E-Way BillgetMaster E-Way APIs (Enhanced)GET Transin DetailsgetGET Transin DetailsgetGET Error ListgetGET Transin DetailsgetMaster E-Way APIsGET Transin DetailsgetGET Transin DetailsgetGET Error ListgetGET Transin DetailsgetE-Invoice APIE-Invoice APIs (Enhanced)AuthenticationpostGenerate IRNpostCancel IRNpostGet IRN DetailsgetGet IRN Details by Doc DetailsgetE-Invoice APIs (Standard)AuthenticationpostGenerate IRNpostCancel IRNpostGet IRN DetailsgetGet IRN Details by Doc DetailsgetPowered by All - GET PREFERENCEget https://staging.fynamics.co.in/api/gst/getpref/{gstin}/{fy}This API call is to get preference for taxpayers.Important Links