myinvois

What it does

TypeScript SDK for Malaysia's MyInvois e-invoicing API (LHDN): builds UBL 2.1 documents, signs them (XAdES-BES), authenticates the taxpayer and submits and manages invoices. It needs Node.js 20 or later, a client ID and secret, and a signing certificate. The README calls it unofficial, says to treat it as beta and use the sandbox first, and notes intermediary mode is unit-tested only.

Where it fits on the map

• Company tax department › Indirect Tax / VAT / GST › Indirect taxcovered

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Of the same kind, for a shared jurisdiction or tax area. Not a ranking.

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