We are on the international e-invoicing platform and you can send us invoice via our standardized PEPPOL ID or our XERO network Key.
XERO Network Key: HONGPAYR2BYKS8J4COLVKJX4Z3KB1Y
https://central.xero.com/s/article/Send-your-Xero-network-key-to-another-Xero-organisation
ISPEED PEPPOL ID: 0195:SGUEN201132058E
Official SG PEPPOL Directory: https://www.peppoldirectory.sg/
iSpeed official listing in PEPPOL: https://directory.peppol.eu/public/locale-en_US/menuitem-search?q=0195-SGUEN-201132058E
XERO PEPPOL FAQ: https://www.xero.com/sg/features-and-tools/accounting-software/invoicing/e-invoicing/
Going Digital: Singapore Nationwide E-Invoicing Initiative