- eInvoicing Service
- About Us
- What We Offer
- Changelog
- On Boarding
- FAQ (EN)
- FAQ (GR)
- eInvoicing Service API
- API Authentication
- API Endpoints
- JSON Structures & Payloads
- Offline QR Code
- Status MyData
- Extra Functionalities
- Terminology
- VAT Validation
- Attachments
- Other ERP Related Segments
- eInvoicing Portal
- WIKI JSON Samples
- Invoice
- OAuth
- PosSignatures
- Schemas
- Sample Schemas
- Schemas
- ActivationRequest
- Orientation
- IrisErrorResponse
- ActivationResponse
- PdfHtmlOptions
- IrisPaymentStatusSuccessResponse
- AdditionalFieldDto
- GetKeysRequest
- PdfUrlOptions
- IrisPaymentsRequest
- AddressType
- GetTemplateResponse
- ProblemDetails
- IrisQrSuccessResponse
- Address2
- UploadImageRequest
- AzureFunctionPayload
- StringStringKeyValuePair
- PayeeInfo
- IrisQrSuccessResponseDto
- UploadImageResponse
- PaymentStatus
- AddressX
- YpahesEnum
- AlcType
- AlcX
- B2GInvoiceStatusResponse
- Attribute
- NullableOfGeoLocation
- CountryType
- Bank2
- CurrencyType
- Dienergia
- Classification2
- EcrTokenType
- CoreDoc
- CountryX
- EntityType
- ExpensesClassification
- ExpensesClassificationCategory
- ExpensesClassificationType
- DeliveryDetails2
- IaprError
- IaprTaxType
- IncomeClassification
- IncomeClassificationCategory
- IncomeClassificationType
- Invoice
- Entity
- InvoiceHeader
- Entity2
- InvoiceLine
- InvoiceSummary
- InvoiceType
- InvoicesEnvelope
- HeaderX
- NspCode
- OtherDeliveryNoteHeaderType
- IFormFile
- PartyType
- PaymentMethodType
- ProviderSignatureType
- RefreshToken
- Response
- ResponseEnvelope
- KeyValuePairOfintAndstring
- LineX
- SignatureDurationTypeCodes
- SignaturePlaygroundData
- MorfotyposDetailsDto
- SignaturePlaygroundResponse
- MyDataClassification
- MyDataConnectPayload
- SignedData
- MyDataDirection
- SigningDataRequestModel
- NullableOfAddressX
- SigningECCKeyPair
- NullableOfB2GDetailsX
- SpecialInvoiceType
- NullableOfCountryX
- StringStringValueTuple
- NullableOfCurrencyX
- NullableOfDeliveryDetail
- NullableOfDeliveryDetail2
- NullableOfDistributionDetailsX
- TransmissionFailureType
- NullableOfPaymentDetailsX
- TransportDetail
- NullableOfValueTupleOfstringAndstring
- UsedSignature
- ValidateProviderSignatureResponse
- Party2
- Party3
- PartyType2
- XmlSerializerNamespaces
- PaymentMethod2
- PaymentMethodMd
- PaymentTermX
- ProviderInfo
- ReceptionEmailsType
- ReceptionProvider
- SummaryX
- SynopsiClassificationsDto
- SynopsiDetailsDto
- TaxTotalDto
- UblAllowancesCharge
- UblInvoiceDocumentReferenceType
- VatX
- eInvoicing Core API 2.8.2-build.b6e3f0
- coreapi
- AdditionalDetails
- Address
- AllowanceCharge
- AllowanceChargeTypeEnum
- AuthenticationRequest
- AuthenticationResponse
- B2GDetails
- B2GLastStatusResponse
- B2GReseedInvoiceRequest
- BadRequestResponse
- BadRequestResult
- Bank
- BaseResponse
- CardLine
- CashLine
- ChequeLine
- Classification
- CompanyAuthenticationError
- ContractOrderDetails
- CreditInvoiceDto
- CustomField
- DeliveryDetails
- DeliveryNoteCancellationRequest
- Detail
- DistributionDetails
- DocumentStatusEnum
- EliseCoreDocument
- EliseCoreReceipt
- FieldType
- FnBDocumentResponse
- GeoLocation
- IAPRSignPolicyEnum
- Int32StringKeyValuePair
- IntrospectionResponse
- MiscellaneousData
- PackingDeclaration
- Party
- PaymentDetails
- PaymentMethod
- PaymentMethodMetaData
- PaymentTerm
- PaymentUpdate
- PosPaymentsRequestDto
- PosPaymentsResponseDto
- PosSignaturesRequestDto
- ReceivingNoteCancellationRequest
- RecordTypeEnum
- RefreshTokenDto
- RemittanceLine
- ShipType
- SignatureResponse
- Summaries
- Tax
- TokenErrorResponse
- TokenResponse
- TransmissionFailureEnum
- UpdatePaymentMethodRequest
- Vat
- VesselDetails
- VoucherLine
- AccountPackageResponse
- AdditionalDetails
- Address
- AllowanceCharge
- AllowanceChargeTypeEnum
- AuthenticationRequest
- AuthenticationResponse
- B2GDetails
- B2GLastStatusResponse
- B2GReseedInvoiceRequest
- BadRequestResult
- BadRequestResponse
- Bank
- BaseResponse
- CardLine
- CashLine
- ChequeLine
- Classification
- CompanyAuthenticationError
- ContractOrderDetails
- CreditInvoiceDto
- CustomField
- DeliveryDetails
- DeliveryNoteCancellationRequest
- Detail
- DistributionDetails
- DocumentStatusEnum
- FieldType
- EliseCoreDocument
- FnBDocumentResponse
- EliseCoreReceipt
- GeoLocation
- IAPRSignPolicyEnum
- PackingDeclaration
- PosPaymentsRequestDto
- PaymentMethodMetaData
- PosPaymentsResponseDto
- PaymentUpdate
- Int32StringKeyValuePair
- PosSignaturesRequestDto
- MiscellaneousData
- Party
- PaymentDetails
- PaymentMethod
- PaymentTerm
- RecordTypeEnum
- RemittanceLine
- ShipType
- SignatureResponse
- Summaries
- Tax
- TransmissionFailureEnum
- UpdatePaymentMethodRequest
- Vat
- VesselDetails
- VoucherLine
- RefreshTokenDto
/api/Invoice/grcore
IMPACT DEMO API
https://einvoiceapiuat.impact.gr
IMPACT DEMO API
https://einvoiceapiuat.impact.gr
POST
/api/Invoice/grcore
Request
Query Params
Header Params
Request Code Samples
Shell
JavaScript
Java
Swift
Go
PHP
Python
HTTP
C
C#
Objective-C
Ruby
OCaml
Dart
R
Request Request Example
Shell
JavaScript
Java
Swift
curl --location --request POST 'https://einvoiceapiuat.impact.gr/api/Invoice/grcore?secretkey=&sendMethod=' \
--header 'APIKey;'Responses
🟢200
This response does not have a body.
Modified at 2026-09-21 21:04:30