# Synswi ## Docs - Payment instruments [Create a payment instrument](https://docs.synswi.com/create-a-payment-instrument-785690m0.md): ## API Docs - Invoice [Get invoice by id](https://docs.synswi.com/get-invoice-by-id-13582060e0.md): - Invoice [Get invoices](https://docs.synswi.com/get-invoices-13760468e0.md): - Invoice [Create an invoice](https://docs.synswi.com/create-an-invoice-12318103e0.md): - Invoice [Pay an invoice](https://docs.synswi.com/pay-an-invoice-12318206e0.md): - Invoice [Send Invoice](https://docs.synswi.com/send-invoice-14402998e0.md): - Invoice [Update an invoice](https://docs.synswi.com/update-an-invoice-14678008e0.md): - Payment instruments [Get payment instruments](https://docs.synswi.com/get-payment-instruments-14078847e0.md): - Payment instruments [Get a payment instrument by id](https://docs.synswi.com/get-a-payment-instrument-by-id-14078932e0.md): - Transactions [Get a transaction by id](https://docs.synswi.com/get-a-transaction-by-id-14133002e0.md): - Transactions [Get transactions](https://docs.synswi.com/get-transactions-13855250e0.md): - Transactions [Create a transaction](https://docs.synswi.com/create-a-transaction-14021536e0.md):