Hello,

Can you please share the documentation for the service.

That you

Of course,

https://github.com/victors1681/dgii-ecf

For more technical documentation related with Electronic Invoice:

Global - DGII official documentation (Facturación Electrónica)

https://dgii.gov.do/cicloContribuyente/facturacion/comprobantesFiscalesElectronicosE-CF/Documentacin%20sobre%20eCF/Informe%20y%20Descripción%20Técnica/Informe%20Técnico%20e-CF%20v1.0.pdf

DGII Technical Doc

https://dgii.gov.do/cicloContribuyente/facturacion/comprobantesFiscalesElectronicosE-CF/Documentacin%20sobre%20eCF/Informe%20y%20Descripción%20Técnica/Descripcion%20Tecnica%20Servicios%20DGII.pdf

More DGII Technical Doc

https://dgii.gov.do/cicloContribuyente/facturacion/comprobantesFiscalesElectronicosE-CF/Paginas/documentacionSobreE-CF.aspx

some front end (functional web-app)
https://mi.alegra.com/assisted-wizard