# Invoices

 - [GET /pay-int-api/invoices](https://developer.flute.com/api-reference/invoices/flute-v1-get-pay-int-api-invoices.md): <span class="api-endpoint">GET {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices</span> This endpoint returns a list of invoices for the current merchant. The query parameters are filters used
 - [POST /pay-int-api/invoices](https://developer.flute.com/api-reference/invoices/flute-v1-post-pay-int-api-invoices.md): <span class="api-endpoint">POST {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices</span> This endpoint creates an invoice.
 - [GET /pay-int-api/invoices/{invoiceId}](https://developer.flute.com/api-reference/invoices/flute-v1-get-pay-int-api-invoices-invoiceid.md): <span class="api-endpoint">GET {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}</span>
 - [PUT /pay-int-api/invoices/{invoiceId}](https://developer.flute.com/api-reference/invoices/flute-v1-put-pay-int-api-invoices-invoiceid.md): <span class="api-endpoint">PUT {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}</span> This endpoint updates a specified invoice. <span style="background-color:#e0e0e0; padding:8
 - [DELETE /pay-int-api/invoices/{invoiceId}](https://developer.flute.com/api-reference/invoices/flute-v1-delete-pay-int-api-invoices-invoiceid.md): <span class="api-endpoint">DELETE {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}</span> Published invoices cannot be deleted.
 - [POST /pay-int-api/invoices/{id}/submit](https://developer.flute.com/api-reference/invoices/flute-v1-post-pay-int-api-invoices-invoiceid-submit.md): <span class="api-endpoint">POST {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/submit</span>
 - [POST /pay-int-api/invoices/{invoiceId}/ach/submit](https://developer.flute.com/api-reference/invoices/flute-v1-post-pay-int-api-invoices-invoiceid-ach-submit.md): <span class="api-endpoint">POST {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/ach/submit</span>
 - [GET /pay-int-api/invoices/{invoiceId}/calculations](https://developer.flute.com/api-reference/invoices/flute-v1-get-pay-int-api-invoices-invoiceid-calculations.md): <span class="api-endpoint">GET {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/calculations</span> This endpoint retrieves calculations for an invoice.
 - [POST /pay-int-api/invoices/publish](https://developer.flute.com/api-reference/invoices/flute-v1-post-pay-int-api-invoices-publish.md): <span class="api-endpoint">POST {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/publish</span>
 - [PUT /pay-int-api/invoices/{invoiceId}/cancel](https://developer.flute.com/api-reference/invoices/flute-v1-put-pay-int-api-invoices-invoiceid-cancel.md): <span class="api-endpoint">PUT {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/cancel</span> This endpoint cancels an invoice. Only invoices in published(Due, Past Due) status a
 - [PUT /pay-int-api/invoices/{invoiceId}/mark-as-paid](https://developer.flute.com/api-reference/invoices/flute-v1-put-pay-int-api-invoices-invoiceid-mark-as-paid.md): <span class="api-endpoint">PUT {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/mark-as-paid</span> This endpoint marks an invoice as paid. Only invoices in published(Due, Past D
 - [POST /pay-int-api/invoices/{invoiceId}/send-published-sms-notification](https://developer.flute.com/api-reference/invoices/flute-v1-post-pay-int-api-invoices-invoiceid-send-published-sms-notification.md): <span class="api-endpoint">POST {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/send-email-notification</span>
 - [GET /pay-int-api/invoices/{invoiceId}/download-pdf](https://developer.flute.com/api-reference/invoices/flute-v1-get-pay-int-api-invoices-invoiceid-download-pdf.md): <span class="api-endpoint">GET {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/download-pdf</span> This endpoint downloads the specified invoice as a PDF document. Available onl
 - [POST /pay-int-api/invoices/{invoiceId}/send-email-notification](https://developer.flute.com/api-reference/invoices/flute-v1-post-pay-int-api-invoices-invoiceid-send-email-notification.md): <span class="api-endpoint">POST {{<a href="#urlbases">baseURL</a>}}/pay-int-api/invoices/{{invoiceId}}/send-published-sms-notification</span>