E-Invoice Checker Validate API
The Validate API from E-Invoice Checker — 1 operation(s) for validate.
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curl "https://apis.io/api/v1/apis/einvoicechecker-com:einvoicechecker-com-validate-api"
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OpenAPI Specification
openapi: 3.2.0
info:
title: E-Invoice Checker Validate API
version: 1.0.0
summary: Detect, parse, validate, render and fix EU and international e-invoices.
description: 'One API for structured invoices: XRechnung (UBL/CII), ZUGFeRD 2.x / Factur-X (PDF or XML), Peppol BIS 3.0, EN 16931 UBL/CII, Polish KSeF FA(3), Croatian eRačun (HR CIUS 2025), Spanish Facturae 3.2.x and VERI*FACTU records / AEAT responses / QR URLs, Malaysian MyInvois (XML or UBL JSON). Validation uses the official rule sets (CEN EN 16931 schematron, KoSIT, OpenPeppol, Porezna uprava HR-CIUS, Facturae and AEAT XSD, LHDN SDK rules, KSeF FA(3)). Every error carries a rule id, message, XPath and a help link. Files are processed in memory and never stored.'
contact:
name: E-Invoice Checker support
email: support@einvoicechecker.com
url: https://einvoicechecker.com/contact/
termsOfService: https://einvoicechecker.com/terms/
servers:
- url: https://einvoicechecker.com
security:
- bearer: []
- apiKey: []
- {}
tags:
- name: Validate
paths:
/v1/validate:
post:
operationId: validateInvoice
summary: Validate
description: Run every rule set that applies to the detected format and return one merged report.
requestBody:
required: true
description: 'The invoice: multipart field "file" (XML, PDF, JSON), the raw file as the request body, or JSON {"xml": "..."}. A MyInvois UBL JSON document can be posted as application/json directly; a VERI*FACTU QR URL as text/plain.'
content:
multipart/form-data:
schema:
type: object
properties:
file:
type: string
format: binary
required:
- file
application/xml:
schema:
type: string
application/pdf:
schema:
type: string
format: binary
application/json:
schema:
anyOf:
- type: object
title: Invoice as a string
properties:
xml:
type: string
description: The invoice XML (or a VERI*FACTU QR URL) as a string
required:
- xml
- type: object
title: MyInvois UBL JSON document
description: A Malaysian MyInvois invoice in UBL JSON syntax (with _D, _A, _B and Invoice)
properties:
_D:
type: string
Invoice:
type: array
items:
type: object
required:
- _D
- Invoice
examples:
peppol:
summary: Peppol BIS 3.0 invoice with errors
value:
xml: "<?xml version=\"1.0\" encoding=\"UTF-8\"?><Invoice xmlns:cac=\"urn:oasis:names:specification:ubl:schema:xsd:CommonAggregateComponents-2\"\n xmlns:cbc=\"urn:oasis:names:specification:ubl:schema:xsd:CommonBasicComponents-2\"\n xmlns=\"urn:oasis:names:specification:ubl:schema:xsd:Invoice-2\"><cbc:CustomizationID>urn:cen.eu:en16931:2017#compliant#urn:fdc:peppol.eu:2017:poacc:billing:3.0</cbc:CustomizationID><cbc:ID>Snippet1</cbc:ID><cbc:IssueDate>2017-11-13</cbc:IssueDate><cbc:DueDate>2017-12-01</cbc:DueDate><cbc:InvoiceTypeCode>380</cbc:InvoiceTypeCode><cbc:DocumentCurrencyCode>EUR</cbc:DocumentCurrencyCode><cbc:AccountingCost>4025:123:4343</cbc:AccountingCost><cbc:BuyerReference>0150abc</cbc:BuyerReference><cac:AccountingSupplierParty><cac:Party><cbc:EndpointID schemeID=\"0088\">9482348239847239874</cbc:EndpointID><cac:PartyIdentification><cbc:ID>99887766</cbc:ID></cac:PartyIdentification><cac:PartyName><cbc:Name>SupplierTradingName Ltd.</cbc:Name></cac:PartyName><cac:PostalAddress><cbc:StreetName>Main street 1</cbc:StreetName><cbc:AdditionalStreetName>Postbox 123</cbc:AdditionalStreetName><cbc:CityName>London</cbc:CityName><cbc:PostalZone>GB 123 EW</cbc:PostalZone><cac:Country><cbc:IdentificationCode>GB</cbc:IdentificationCode></cac:Country></cac:PostalAddress><cac:PartyTaxScheme><cbc:CompanyID>GB1232434</cbc:CompanyID><cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme></cac:PartyTaxScheme><cac:PartyLegalEntity><cbc:RegistrationName>SupplierOfficialName Ltd</cbc:RegistrationName><cbc:CompanyID>GB983294</cbc:CompanyID></cac:PartyLegalEntity></cac:Party></cac:AccountingSupplierParty><cac:AccountingCustomerParty><cac:Party><cbc:EndpointID schemeID=\"0002\">FR23342</cbc:EndpointID><cac:PartyIdentification><cbc:ID schemeID=\"0002\">FR23342</cbc:ID></cac:PartyIdentification><cac:PartyName><cbc:Name>BuyerTradingName AS</cbc:Name></cac:PartyName><cac:PostalAddress><cbc:StreetName>Hovedgatan 32</cbc:StreetName><cbc:AdditionalStreetName>Po box 878</cbc:AdditionalStreetName><cbc:CityName>Stockholm</cbc:CityName><cbc:PostalZone>456 34</cbc:PostalZone><cac:Country><cbc:IdentificationCode>SE</cbc:IdentificationCode></cac:Country></cac:PostalAddress><cac:PartyTaxScheme><cbc:CompanyID>SE4598375937</cbc:CompanyID><cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme></cac:PartyTaxScheme><cac:PartyLegalEntity><cbc:RegistrationName>Buyer Official Name</cbc:RegistrationName><cbc:CompanyID schemeID=\"0183\">39937423947</cbc:CompanyID></cac:PartyLegalEntity><cac:Contact><cbc:Name>Lisa Johnson</cbc:Name><cbc:Telephone>23434234</cbc:Telephone><cbc:ElectronicMail>lj@buyer.se</cbc:ElectronicMail></cac:Contact></cac:Party></cac:AccountingCustomerParty><cac:Delivery><cbc:ActualDeliveryDate>2017-11-01</cbc:ActualDeliveryDate><cac:DeliveryLocation><cbc:ID schemeID=\"0088\">9483759475923478</cbc:ID><cac:Address><cbc:StreetName>Delivery street 2</cbc:StreetName><cbc:AdditionalStreetName>Building 56</cbc:AdditionalStreetName><cbc:CityName>Stockholm</cbc:CityName><cbc:PostalZone>21234</cbc:PostalZone><cac:Country><cbc:IdentificationCode>SE</cbc:IdentificationCode></cac:Country></cac:Address></cac:DeliveryLocation><cac:DeliveryParty><cac:PartyName><cbc:Name>Delivery party Name</cbc:Name></cac:PartyName></cac:DeliveryParty></cac:Delivery><cac:PaymentMeans><cbc:PaymentMeansCode name=\"Credit transfer\">30</cbc:PaymentMeansCode><cbc:PaymentID>Snippet1</cbc:PaymentID><cac:PayeeFinancialAccount><cbc:ID>IBAN32423940</cbc:ID><cbc:Name>AccountName</cbc:Name><cac:FinancialInstitutionBranch><cbc:ID>BIC324098</cbc:ID></cac:FinancialInstitutionBranch></cac:PayeeFinancialAccount></cac:PaymentMeans><cac:PaymentTerms><cbc:Note>Payment within 10 days, 2% discount</cbc:Note></cac:PaymentTerms><cac:AllowanceCharge><cbc:ChargeIndicator>true</cbc:ChargeIndicator><cbc:AllowanceChargeReason>Insurance</cbc:AllowanceChargeReason><cbc:Amount currencyID=\"EUR\">25</cbc:Amount><cac:TaxCategory><cbc:ID>S</cbc:ID><cbc:Percent>25.0</cbc:Percent><cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme></cac:TaxCategory></cac:AllowanceCharge><cac:TaxTotal><cbc:TaxAmount currencyID=\"EUR\">331.25</cbc:TaxAmount><cac:TaxSubtotal><cbc:TaxableAmount currencyID=\"EUR\">1325</cbc:TaxableAmount><cbc:TaxAmount currencyID=\"EUR\">331.25</cbc:TaxAmount><cac:TaxCategory><cbc:ID>S</cbc:ID><cbc:Percent>25.0</cbc:Percent><cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme></cac:TaxCategory></cac:TaxSubtotal></cac:TaxTotal><cac:LegalMonetaryTotal><cbc:LineExtensionAmount currencyID=\"EUR\">1300</cbc:LineExtensionAmount><cbc:TaxExclusiveAmount currencyID=\"EUR\">1325</cbc:TaxExclusiveAmount><cbc:TaxInclusiveAmount currencyID=\"EUR\">1666.25</cbc:TaxInclusiveAmount><cbc:ChargeTotalAmount currencyID=\"EUR\">25</cbc:ChargeTotalAmount><cbc:PayableAmount currencyID=\"EUR\">1666.25</cbc:PayableAmount></cac:LegalMonetaryTotal><cac:InvoiceLine><cbc:ID>1</cbc:ID><cbc:InvoicedQuantity unitCode=\"Tage\">7</cbc:InvoicedQuantity><cbc:LineExtensionAmount currencyID= \"EUR\">2800</cbc:LineExtensionAmount><cbc:AccountingCost>Konteringsstreng</cbc:AccountingCost><cac:OrderLineReference><cbc:LineID>123</cbc:LineID></cac:OrderLineReference><cac:Item><cbc:Description>Description of item</cbc:Description><cbc:Name>item name</cbc:Name><cac:StandardItemIdentification><cbc:ID schemeID=\"0088\">21382183120983</cbc:ID></cac:StandardItemIdentification><cac:OriginCountry><cbc:IdentificationCode>NO</cbc:IdentificationCode></cac:OriginCountry><cac:CommodityClassification><cbc:ItemClassificationCode listID=\"SRV\">09348023</cbc:ItemClassificationCode></cac:CommodityClassification><cac:ClassifiedTaxCategory><cbc:ID>S</cbc:ID><cbc:Percent>25.0</cbc:Percent><cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme></cac:ClassifiedTaxCategory></cac:Item><cac:Price><cbc:PriceAmount currencyID=\"EUR\">400</cbc:PriceAmount></cac:Price></cac:InvoiceLine><cac:InvoiceLine><cbc:ID>2</cbc:ID><cbc:InvoicedQuantity unitCode=\"DAY\">-3</cbc:InvoicedQuantity><cbc:LineExtensionAmount currencyID=\"EUR\">-1500</cbc:LineExtensionAmount><cac:OrderLineReference><cbc:LineID>123</cbc:LineID></cac:OrderLineReference><cac:Item><cbc:Description>Description 2</cbc:Description><cbc:Name>item name 2</cbc:Name><cac:StandardItemIdentification><cbc:ID schemeID=\"0088\">21382183120983</cbc:ID></cac:StandardItemIdentification><cac:OriginCountry><cbc:IdentificationCode>NO</cbc:IdentificationCode></cac:OriginCountry><cac:CommodityClassification><cbc:ItemClassificationCode listID=\"SRV\">09348023</cbc:ItemClassificationCode></cac:CommodityClassification><cac:ClassifiedTaxCategory><cbc:ID>S</cbc:ID><cbc:Percent>25.0</cbc:Percent><cac:TaxScheme><cbc:ID>VAT</cbc:ID></cac:TaxScheme></cac:ClassifiedTaxCategory></cac:Item><cac:Price><cbc:PriceAmount currencyID=\"EUR\">500</cbc:PriceAmount></cac:Price></cac:InvoiceLine></Invoice>"
text/plain:
schema:
type: string
responses:
'200':
description: OK
content:
application/json:
schema:
type: object
properties:
format:
type: object
properties:
family:
type: string
example: en16931
syntax:
type: string
example: ubl
standard:
type: string
example: XRechnung
profile:
type: string
country:
type: string
example: DE
version:
type: string
valid:
type: boolean
checks:
type: array
items:
type: object
properties:
name:
type: string
engine:
type: string
valid:
type: boolean
errors:
type: integer
skipped:
type: boolean
reason:
type: string
errors:
type: array
items:
type: object
properties:
source:
type: string
rule:
type: string
example: BR-DE-15
message:
type: string
path:
type: string
help:
type: string
format: uri
description: Page explaining the rule and how to fix it
warnings:
type: array
items:
type: object
properties:
source:
type: string
rule:
type: string
example: BR-DE-15
message:
type: string
path:
type: string
help:
type: string
format: uri
description: Page explaining the rule and how to fix it
source:
type: string
enum:
- xml
- pdf
- json
- url
'400':
description: Error
content:
application/json:
schema:
type: object
properties:
error:
type: object
properties:
code:
type: string
message:
type: string
'401':
description: Error
content:
application/json:
schema:
type: object
properties:
error:
type: object
properties:
code:
type: string
message:
type: string
'422':
description: Not a recognised e-invoice, or a PDF without embedded XML
content:
application/json:
schema:
type: object
properties:
error:
type: object
properties:
code:
type: string
message:
type: string
'429':
description: Rate limit or monthly quota reached
content:
application/json:
schema:
type: object
properties:
error:
type: object
properties:
code:
type: string
message:
type: string
parameters:
- name: kosit
in: query
schema:
type: boolean
default: true
description: Run the KoSIT validator for XRechnung/ZUGFeRD/Factur-X
tags:
- Validate
components:
securitySchemes:
bearer:
type: http
scheme: bearer
description: API key from /developers/ (free plan available)
apiKey:
type: apiKey
in: header
name: X-API-Key
externalDocs:
description: Developer documentation
url: https://einvoicechecker.com/developers/