QR

ZATCA QR payload generation and accessors.

SignedInvoice

qr_code

Read QR payload

Read the Base64 TLV QR payload from a signed invoice.

RustPythonC (FFI)

SignedInvoice::qr_code(&self) -> &str

SignedInvoice.qr_code() -> str

FfiResult_FfiString fatoora_signed_invoice_qr_code(FfiSignedInvoice* signed);

Errors

Errors

• QrCodeError covers missing fields, TLV length overflow, or XML extraction failures.

Behavior

Behavior

• QR payloads use TLV tags 1-5 for seller + totals, and tags 6-9 for hash/signature data when present.
• The Base64-encoded payload must be 700 characters or fewer.

See also: QR Guide