# Invoices

## List invoices

> Get a paginated list of invoices with optional filtering

```json
{"openapi":"3.1.1","info":{"title":"Alternative Payments","version":"1.1.0"},"servers":[{"url":"http://public-api.alternativepayments.io"}],"security":[{"OAuth2ClientCredentials":["invoices:read"]}],"components":{"securitySchemes":{"OAuth2ClientCredentials":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"/oauth/token","scopes":{"read":"Read access","write":"Write access"}}}}},"schemas":{"PaginatedResponse-Invoice":{"properties":{"data":{"items":{"$ref":"#/components/schemas/Invoice"},"type":"array"},"end_cursor":{"type":"string"},"has_next_page":{"type":"boolean"},"has_previous_page":{"type":"boolean"},"start_cursor":{"type":"string"}},"type":"object"},"Invoice":{"properties":{"created_at":{"type":"string"},"currency":{"type":"string"},"customer_id":{"type":"string"},"due_date":{"type":"string"},"id":{"type":"string"},"invoice_number":{"type":"string"},"last_notification_at":{"type":"string"},"line_items":{"items":{"$ref":"#/components/schemas/InvoiceLineItem"},"type":"array"},"memo":{"type":"string"},"status":{"type":"string"},"sub_total":{"type":"number"},"total":{"type":"number"}},"type":"object"},"InvoiceLineItem":{"properties":{"amount":{"type":"number"},"description":{"type":"string"},"quantity":{"type":"integer"}},"type":"object"},"HttpError":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"validation_errors":{"additionalProperties":{"type":"string"},"type":"object"}},"type":"object"}}},"paths":{"/invoices":{"get":{"description":"Get a paginated list of invoices with optional filtering","operationId":"listInvoices","parameters":[{"schema":{"type":"integer","default":100},"description":"Number of items to return","in":"query","name":"limit"},{"schema":{"type":"string"},"description":"Specifies the cursor after which to start returning results. For the first page, this should be left empty. For subsequent pages, use the value of the end_cursor field from the previous response.","in":"query","name":"after"},{"schema":{"type":"string"},"description":"Specifies the cursor before which to return results. Use this to paginate backwards. For example, to load the previous page, provide the value of the start_cursor field from the last response.","in":"query","name":"before"},{"schema":{"type":"string"},"description":"Filter by creation date start (RFC3339 format)","in":"query","name":"created_at_start"},{"schema":{"type":"string"},"description":"Filter by creation date end (RFC3339 format)","in":"query","name":"created_at_end"},{"schema":{"type":"string"},"description":"Filter by due date start (RFC3339 format)","in":"query","name":"due_date_start"},{"schema":{"type":"string"},"description":"Filter by due date end (RFC3339 format)","in":"query","name":"due_date_end"},{"schema":{"type":"string"},"description":"Filter by customer ID","in":"query","name":"customer_id"},{"schema":{"type":"string"},"description":"Filter by invoice number","in":"query","name":"invoice_number"},{"schema":{"type":"string","enum":["UPCOMING","OVERDUE","RECEIVED","PAID","ARCHIVED"]},"description":"Filter by invoice status","in":"query","name":"status"}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/PaginatedResponse-Invoice"}}}},"400":{"description":"Bad Request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}}},"summary":"List invoices","tags":["Invoices"]}}}}
```

## Create an invoice

> Create a new invoice with line items

```json
{"openapi":"3.1.1","info":{"title":"Alternative Payments","version":"1.1.0"},"servers":[{"url":"http://public-api.alternativepayments.io"}],"security":[{"OAuth2ClientCredentials":["invoices:write"]}],"components":{"securitySchemes":{"OAuth2ClientCredentials":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"/oauth/token","scopes":{"read":"Read access","write":"Write access"}}}}},"schemas":{"Invoice":{"properties":{"created_at":{"type":"string"},"currency":{"type":"string"},"customer_id":{"type":"string"},"due_date":{"type":"string"},"id":{"type":"string"},"invoice_number":{"type":"string"},"last_notification_at":{"type":"string"},"line_items":{"items":{"$ref":"#/components/schemas/InvoiceLineItem"},"type":"array"},"memo":{"type":"string"},"status":{"type":"string"},"sub_total":{"type":"number"},"total":{"type":"number"}},"type":"object"},"InvoiceLineItem":{"properties":{"amount":{"type":"number"},"description":{"type":"string"},"quantity":{"type":"integer"}},"type":"object"},"HttpError":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"validation_errors":{"additionalProperties":{"type":"string"},"type":"object"}},"type":"object"},"CreateInvoiceInput":{"properties":{"customer_id":{"type":"string"},"due_date":{"description":"Due date in YYYY-MM-DD format. If omitted, defaults to the current date from invoice creation.","type":"string"},"exclude_from_autopay":{"description":"When true, this invoice is excluded from Autopay at creation time. Use this\nwhen your integration pays the invoice synchronously via API and you want to\nguarantee Autopay never charges the same invoice. Defaults to false.","type":"boolean"},"line_items":{"items":{"$ref":"#/components/schemas/InvoiceLineItem"},"type":"array"}},"type":"object"}}},"paths":{"/invoices":{"post":{"description":"Create a new invoice with line items","operationId":"createInvoice","responses":{"201":{"description":"Created","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Invoice"}}}},"400":{"description":"Bad Request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}},"422":{"description":"Unprocessable Entity","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}}},"summary":"Create an invoice","tags":["Invoices"],"requestBody":{"content":{"application/json":{"schema":{"$ref":"#/components/schemas/CreateInvoiceInput"}}},"description":"Invoice information","required":true}}}}}
```

## Get an invoice

> Get invoice details by ID

```json
{"openapi":"3.1.1","info":{"title":"Alternative Payments","version":"1.1.0"},"servers":[{"url":"http://public-api.alternativepayments.io"}],"security":[{"OAuth2ClientCredentials":["invoices:read"]}],"components":{"securitySchemes":{"OAuth2ClientCredentials":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"/oauth/token","scopes":{"read":"Read access","write":"Write access"}}}}},"schemas":{"Invoice":{"properties":{"created_at":{"type":"string"},"currency":{"type":"string"},"customer_id":{"type":"string"},"due_date":{"type":"string"},"id":{"type":"string"},"invoice_number":{"type":"string"},"last_notification_at":{"type":"string"},"line_items":{"items":{"$ref":"#/components/schemas/InvoiceLineItem"},"type":"array"},"memo":{"type":"string"},"status":{"type":"string"},"sub_total":{"type":"number"},"total":{"type":"number"}},"type":"object"},"InvoiceLineItem":{"properties":{"amount":{"type":"number"},"description":{"type":"string"},"quantity":{"type":"integer"}},"type":"object"},"HttpError":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"validation_errors":{"additionalProperties":{"type":"string"},"type":"object"}},"type":"object"}}},"paths":{"/invoices/{id}":{"get":{"description":"Get invoice details by ID","operationId":"getInvoice","parameters":[{"schema":{"type":"string"},"description":"Invoice ID","in":"path","name":"id","required":true}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Invoice"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}}},"summary":"Get an invoice","tags":["Invoices"]}}}}
```

## Archive an invoice

> Archive an invoice

```json
{"openapi":"3.1.1","info":{"title":"Alternative Payments","version":"1.1.0"},"servers":[{"url":"http://public-api.alternativepayments.io"}],"security":[{"OAuth2ClientCredentials":["invoices:write"]}],"components":{"securitySchemes":{"OAuth2ClientCredentials":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"/oauth/token","scopes":{"read":"Read access","write":"Write access"}}}}},"schemas":{"Invoice":{"properties":{"created_at":{"type":"string"},"currency":{"type":"string"},"customer_id":{"type":"string"},"due_date":{"type":"string"},"id":{"type":"string"},"invoice_number":{"type":"string"},"last_notification_at":{"type":"string"},"line_items":{"items":{"$ref":"#/components/schemas/InvoiceLineItem"},"type":"array"},"memo":{"type":"string"},"status":{"type":"string"},"sub_total":{"type":"number"},"total":{"type":"number"}},"type":"object"},"InvoiceLineItem":{"properties":{"amount":{"type":"number"},"description":{"type":"string"},"quantity":{"type":"integer"}},"type":"object"},"HttpError":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"validation_errors":{"additionalProperties":{"type":"string"},"type":"object"}},"type":"object"}}},"paths":{"/invoices/{id}":{"delete":{"description":"Archive an invoice","operationId":"archiveInvoice","parameters":[{"schema":{"type":"string"},"description":"Invoice ID","in":"path","name":"id","required":true}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Invoice"}}}},"400":{"description":"Bad Request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}},"500":{"description":"Internal Server Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}}},"summary":"Archive an invoice","tags":["Invoices"]}}}}
```

## Get hosted payment link for invoice

> Get a payment link for the specified invoice

```json
{"openapi":"3.1.1","info":{"title":"Alternative Payments","version":"1.1.0"},"servers":[{"url":"http://public-api.alternativepayments.io"}],"security":[{"OAuth2ClientCredentials":["invoices:read"]}],"components":{"securitySchemes":{"OAuth2ClientCredentials":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"/oauth/token","scopes":{"read":"Read access","write":"Write access"}}}}},"schemas":{"GetPaymentLinkData":{"properties":{"url":{"type":"string"}},"type":"object"},"HttpError":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"validation_errors":{"additionalProperties":{"type":"string"},"type":"object"}},"type":"object"}}},"paths":{"/invoices/{id}/payment-link":{"get":{"description":"Get a payment link for the specified invoice","operationId":"getInvoicePaymentLink","parameters":[{"schema":{"type":"string"},"description":"Invoice ID","in":"path","name":"id","required":true}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/GetPaymentLinkData"}}}},"400":{"description":"Bad Request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}}},"summary":"Get hosted payment link for invoice","tags":["Invoices"]}}}}
```

## Get invoice PDF link

> Get a signed PDF URL for the specified invoice

```json
{"openapi":"3.1.1","info":{"title":"Alternative Payments","version":"1.1.0"},"servers":[{"url":"http://public-api.alternativepayments.io"}],"security":[{"OAuth2ClientCredentials":["invoices:read"]}],"components":{"securitySchemes":{"OAuth2ClientCredentials":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"/oauth/token","scopes":{"read":"Read access","write":"Write access"}}}}},"schemas":{"GetPdfLinkData":{"properties":{"url":{"type":"string"}},"type":"object"},"HttpError":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"validation_errors":{"additionalProperties":{"type":"string"},"type":"object"}},"type":"object"}}},"paths":{"/invoices/{id}/pdf-link":{"get":{"description":"Get a signed PDF URL for the specified invoice","operationId":"getInvoicePdfLink","parameters":[{"schema":{"type":"string"},"description":"Invoice ID","in":"path","name":"id","required":true}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/GetPdfLinkData"}}}},"400":{"description":"Bad Request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}}},"summary":"Get invoice PDF link","tags":["Invoices"]}}}}
```

## Restore an invoice

> Restore an invoice

```json
{"openapi":"3.1.1","info":{"title":"Alternative Payments","version":"1.1.0"},"servers":[{"url":"http://public-api.alternativepayments.io"}],"security":[{"OAuth2ClientCredentials":["invoices:write"]}],"components":{"securitySchemes":{"OAuth2ClientCredentials":{"type":"oauth2","flows":{"clientCredentials":{"tokenUrl":"/oauth/token","scopes":{"read":"Read access","write":"Write access"}}}}},"schemas":{"Invoice":{"properties":{"created_at":{"type":"string"},"currency":{"type":"string"},"customer_id":{"type":"string"},"due_date":{"type":"string"},"id":{"type":"string"},"invoice_number":{"type":"string"},"last_notification_at":{"type":"string"},"line_items":{"items":{"$ref":"#/components/schemas/InvoiceLineItem"},"type":"array"},"memo":{"type":"string"},"status":{"type":"string"},"sub_total":{"type":"number"},"total":{"type":"number"}},"type":"object"},"InvoiceLineItem":{"properties":{"amount":{"type":"number"},"description":{"type":"string"},"quantity":{"type":"integer"}},"type":"object"},"HttpError":{"properties":{"code":{"type":"string"},"message":{"type":"string"},"validation_errors":{"additionalProperties":{"type":"string"},"type":"object"}},"type":"object"}}},"paths":{"/invoices/{id}/restore":{"post":{"description":"Restore an invoice","operationId":"restoreInvoice","parameters":[{"schema":{"type":"string"},"description":"Invoice ID","in":"path","name":"id","required":true}],"responses":{"200":{"description":"OK","content":{"application/json":{"schema":{"$ref":"#/components/schemas/Invoice"}}}},"400":{"description":"Bad Request","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}},"404":{"description":"Not Found","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}},"500":{"description":"Internal Server Error","content":{"application/json":{"schema":{"$ref":"#/components/schemas/HttpError"}}}}},"summary":"Restore an invoice","tags":["Invoices"]}}}}
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.alternativepayments.io/api-reference/invoices.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.
