SDI Electronic Invoicing
FREE 1440 requests/day
From: €0.025 + VAT
FREE requests
Automate the process of sending, signing, receiving, and digitally storing your electronic invoices to and from SdI via API from €0,025.
Electronic invoicing via API increases efficiency and reduces costs. There is no fee for the API solution, payment is per invoice and it starts from €0,025.
On Openapi, you can manage your entire e-Invoicing workflow via API combining ease and speed of integration and high security standards, with the ability to handle even large volumes of invoices in real time.
The API invoicing solution is extremely robust and reliable but also flexible and customizable. In fact, it is possible to define a customized management of the invoicing system for each VAT number:
- only sending to SdI
- signing and sending to SdI
- sending/receiving to/from SdI and regulation-compliant storage
- signature, sending/receiving to/from SdI and regulation-compliant storage
Invoices are processed in real time at the time of sending.
Configure invoicing options
POST /business_registry_configurations
In the first request, it is necessary to associate the invoicing configurations to the company and indicate whether to use the API exclusively for sending and receiving invoices or to also activate the option of signing and/or legally compliant archiving.
{
"fiscal_id": "string",
"name": "string",
"email": "string",
"apply_signature": true,
"apply_legal_storage": true
}
Once the configuration is complete, only the endpoint of the set option can be used.
Send XML Invoice to SDI
POST /invoices
With the Openapi e-Invoicing API (SDI), it is possible to send electronic invoices in XML to the interchange system (SdI) in real time.
{
"fattura_elettronica_header": {
"dati_trasmissione": {
"id_trasmittente": {
"id_paese": "string",,
"id_codice": "string",
},
"codice_destinatario": "string",
"contatti_trasmittente": {
"telefono": "string",
"email": "string",
},
"pec_destinatario": "string",
},
"cedente_prestatore": {
"dati_anagrafici": {
"id_fiscale_iva": {
"id_paese": "string",
"id_codice": "string",
},
"codice_fiscale": "string",
"anagrafica": {
"denominazione": "string",
"nome": "string",,
"cognome": "string",
"titolo": "string",
"cod_eori": "string",
},
"albo_professionale": "string",
"provincia_albo": "string",
"numero_iscrizione_albo": "string",
"data_iscrizione_albo": "2022-09-15T10:41:52.822Z",
"regime_fiscale": "string",
},
"sede": {
"indirizzo": "string",
"numero_civico": "string",
"cap": "string",
"comune": "string",
"provincia": "string",
"nazione": "string",
},
"stabile_organizzazione": {
"indirizzo": "string",
"numero_civico": "string",
"cap": "string",
"comune": "string",
"provincia": "string",
"nazione": "string",
},
"iscrizione_rea": {
"ufficio": "string",
"numero_rea": "string",
"capitale_sociale": "string",
"socio_unico": "string",
"stato_liquidazione": "string",
},
"contatti": {
"telefono": "string",
"fax": "string",
"email": "string",
},
"riferimento_amministrazione": "string",
},
"rappresentante_fiscale": {
"dati_anagrafici": {
"id_fiscale_iva": {
"id_paese": "string",
"id_codice": "string",
},
"codice_fiscale": "string",
"anagrafica": {
"denominazione": "string",
"nome": "string",
"cognome": "string",
"titolo": "string",
"cod_eori": "string",
}
}
},
"cessionario_committente": {
"dati_anagrafici": {
"id_fiscale_iva": {
"id_paese": "string",
"id_codice": "string",
},
"codice_fiscale": "string",
"anagrafica": {
"denominazione": "string",
"nome": "string",
"cognome": "string",
"titolo": "string",
"cod_eori": "string",
}
},
"sede": {
"indirizzo": "string",
"numero_civico": "string",
"cap": "string",
"comune": "string",
"provincia": "string",
"nazione": "string",
},
"stabile_organizzazione": {
"indirizzo": "string",
"numero_civico": "string",
"cap": "string",
"comune": "string",
"provincia": "string",
"nazione": "string",
},
"rappresentante_fiscale": {
"id_fiscale_iva": {
"id_paese": "string",
"id_codice": "string",
},
"denominazione": "string",
"nome": "string",
"cognome": "string",
}
},
"terzo_intermediario_o_soggetto_emittente": {
"dati_anagrafici": {
"id_fiscale_iva": {
"id_paese": "string",
"id_codice": "string",
},
"codice_fiscale": "string",
"anagrafica": {
"denominazione": "string",
"nome": "string",
"cognome": "string",
"titolo": "string",
"cod_eori": "string",
}
}
},
"soggetto_emittente": "string",
},
"fattura_elettronica_body": [
{
"dati_generali": {
"dati_generali_documento": {
"tipo_documento": "string",
"divisa": "string",
"data": "2022-09-15T10:41:52.822Z",
"numero": "string",
"dati_ritenuta": [
{
"tipo_ritenuta": "string",,
"importo_ritenuta": "string",
"aliquota_ritenuta": "string",
"causale_pagamento": "string",
}
],
"dati_bollo": {
"bollo_virtuale": "string",
"importo_bollo": "string",
},
"dati_cassa_previdenziale": [
{
"tipo_cassa": "string",
"al_cassa": "string",
"importo_contributo_cassa": "string",
"imponibile_cassa": "string",
"aliquota_iva": "string",
"ritenuta": "string",
"natura": "string",
"riferimento_amministrazione": "string",
}
],
"sconto_maggiorazione": [
{
"tipo": "string",,
"percentuale": "string",
"importo": "string",
}
],
"importo_totale_documento": "string",
"arrotondamento": "string",
"causale": [
"string",
],
"art73": "string",
},
"dati_ordine_acquisto": [
{
"riferimento_numero_linea": [
0
],
"id_documento": "string",
"data": "2022-09-15T10:41:52.822Z",
"num_item": "string",
"codice_commessa_convenzione": "string",
"codice_cup": "string",
"codice_cig": "string",
}
],
"dati_contratto": [
{
"riferimento_numero_linea": [
0
],
"id_documento": "string",
"data": "2022-09-15T10:41:52.822Z",
"num_item": "string",
"codice_commessa_convenzione": "string",
"codice_cup": "string",
"codice_cig": "string",
}
],
"dati_convenzione": [
{
"riferimento_numero_linea": [
0
],
"id_documento": "string",
"data": "2022-09-15T10:41:52.823Z",
"num_item": "string",,
"codice_commessa_convenzione": "string",
"codice_cup": "string",
"codice_cig": "string",
}
],
"dati_ricezione": [
{
"riferimento_numero_linea": [
0
],
"id_documento": "string",
"data": "2022-09-15T10:41:52.823Z",
"num_item": "string",
"codice_commessa_convenzione": "string",
"codice_cup": "string",
"codice_cig": "string",
}
],
"dati_fatture_collegate": [
{
"riferimento_numero_linea": [
0
],
"id_documento": "string",
"data": "2022-09-15T10:41:52.823Z",
"num_item": "string",
"codice_commessa_convenzione": "string",
"codice_cup": "string",
"codice_cig": "string",
}
],
"dati_sal": [
{
"riferimento_fase": 0
}
],
"dati_ddt": [
{
"numero_ddt": "string",
"data_ddt": "2022-09-15T10:41:52.823Z",
"riferimento_numero_linea": [
"string",
]
}
],
"dati_trasporto": {
"dati_anagrafici_vettore": {
"id_fiscale_iva": {
"id_paese": "string",
"id_codice": "string",
},
"codice_fiscale": "string",
"anagrafica": {
"denominazione": "string",
"nome": "string",
"cognome": "string",
"titolo": "string",
"cod_eori": "string",
},
"numero_licenza_guida": "string",
},
"mezzo_trasporto": "string",
"causale_trasporto": "string",
"numero_colli": 0,
"descrizione": "string",
"unita_misura_peso": "string",
"peso_lordo": "string",
"peso_netto": "string",
"data_ora_ritiro": "2022-09-15T10:41:52.823Z",
"data_inizio_trasporto": "2022-09-15T10:41:52.823Z",
"tipo_resa": "string",
"indirizzo_resa": {
"indirizzo": "string",
"numero_civico": "string",
"cap": "string",
"comune": "string",
"provincia": "string",
"nazione": "string",
},
"data_ora_consegna": "2022-09-15T10:41:52.823Z"
},
"fattura_principale": {
"numero_fattura_principale": "string",,
"data_fattura_principale": "2022-09-15T10:41:52.823Z"
} Signature and Send XML Invoice to SDI
POST /invoices_signature
In addition to sending, an electronic signature can also be placed on the XML electronic invoice to guarantee the integrity of the data contained. A signed invoice has greater legal 'robustness' than an unsigned document. The signature is mandatory for electronic invoices to the PA.
Send XML Invoice and Legally compliant archive
POST /invoices_legal_storage
With the Openapi API it is possible to sign, send and also activate a legally compliant archive for 10 years on active and passive electronic invoices. Legally compliant archiving is mandatory and guarantees authenticity, integrity, reliability, readability and retrievability of invoices. The legally compliant archive available via Openapi follows the eIDAS regulation.
Sending/receiving, Signature and legally compliant archive
POST /invoices_signature_legal_storage
It is also possible to carry out the entire process of signing, sending to SDI and legally compliant archiving via a single call.
Importing Active and Passive Invoices from other systems
If you are switching from an old system to the Openapi API, no problem: you can import the history of active (/customer_invoice_imports) and passive (/supplier_invoice_imports) invoices with the possibility of also sending them to Storage.
Openapi's API enables interfacing with any type of invoicing system and easy integration of electronic invoicing into your e-commerce or ERP system.
The Invoicing API services are designed for large companies and multinationals, but also for small and medium-sized enterprises (SMEs), professionals and law firms/accountants who want to automate and simplify the management of electronic invoices in compliance with current regulations.
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The API Electronic Invoicing allows you to manage the entire electronic invoicing process easily, quickly, and with high-security standards via API.
Everything operates in real-time, even for high volumes of invoices, and offers the ability to customize the invoicing system for each VAT number (e.g., sending to SDI only, signing, sending/receiving to/from SDI, and compliant archiving).
Yes, with Invoice you can also manage invoicing to the Public Administration (PA) via SDI.
Yes, through the endpoint POST /invoices_signature_legal_storage, you can complete the entire process of signing, sending to SDI, and compliant archiving with just one request.
Yes, with the Openapi APIs it is also possible to activate regulation-compliant storage for 10 years on active and passive electronic invoices. Regulation-compliant storage is mandatory and guarantees authenticity, integrity, reliability, readability and retrievability of invoices.
The regulation-compliant storage service available via Openapi is compliant with the eIDAS regulation.
API Invoice is designed for software houses, developers, e-commerce platforms, and companies that want to integrate the management of electronic invoices and receipts directly into their systems, automating fiscal workflows and reducing manual interventions.
The service is provided in real-time.
The service starts from €0.015 per submission with a subscription plan, or €0.049 per submission with pay-as-you-go credit. Pricing may vary depending on the selected plan and usage volumes.Invoice does not require any activation fees. The service is usage-based: sending and importing invoices costs €0.049 per document, while invoice consultation is free of charge.
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All prices are net of any VAT, stamp duty, registration fees, or other taxes that may be due. All logos listed on the portal are copyrighted and owned by their respective owners.
Viale Filippo Tommaso Marinetti 221 - 00143 Rome
Business Register: 1378273, Share Capital: €50,000.00, VAT Number: IT12485671007, Recipient Code: 'USAL8PV'
Certified Email: openapi@legalmail.it
Openapi is certified in: Quality System - **UNI EN ISO 9001:2015** - Data Quality **ISO 25012:2014** - Security Management **ISO/IEC 27001:2022**
All prices are net of any VAT, stamp duty, registration fees, or other taxes that may be due. All logos listed on the portal are copyrighted and owned by their respective owners.
