Check out the official documentation
\Billingo::invoices()->query(array $filter);
Check out the official documentation
\Billingo::invoices()->all(int $page = 1, $maxPerPage = 20);
Check out the official documentation
\Billingo::invoices()->create(array $invoicePayload);
Check out the official documentation
\Billingo::invoices()->find(int $invoiceId);
Check out the official documentation
\Billingo::invoices()->accessCode(int $invoiceId, bool $asURL = false);
Check out the official documentation
\Billingo::invoices()->proformaToNormal(int $invoiceId);
Check out the official documentation
\Billingo::invoices()->download(int $invoiceId, resource|string|null $file = null, bool $asResponse = false);
Check out the official documentation
\Billingo::invoices()->cancel(int $invoiceId);
Check out the official documentation
\Billingo::invoices()->send(int $invoiceId);
Check out the official documentation
\Billingo::invoices()->pay(int $invoiceId, array $payload);
Check out the official documentation
\Billingo::invoices()->undoPayment(int $invoiceId);
Check out the official documentation
\Billingo::invoices()->availableBlocks();