# Orb Invoice API

**Canonical:** https://apis.io/apis/orb-billing/orb-billing-invoice-api/  
**Provider:** Orb — https://apis.io/providers/orb-billing/  
**Base URL:** https://api.withorb.com/v1  
**Documentation:** https://docs.withorb.com/api-reference/customer

Orb Invoice API is one of 32 APIs that [Orb](https://apis.io/providers/orb-billing/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Invoices. The published artifact set on APIs.io includes an OpenAPI specification, an API reference, and API documentation.

An [`Invoice`](/core-concepts#invoice) is a fundamental billing entity, representing the request for payment for a single subscription. This includes a set of line items, which correspond to prices in the subscription's plan and can represent fixed recurring fees or usage-based fees. They are generated at the end of a billing period, or as the result of an action, such as a cancellation.

## Operations (15)

| Method | Path | Summary |
|---|---|---|
| POST | `/invoice_line_items` | Create invoice line item |
| GET | `/invoices` | List invoices |
| POST | `/invoices` | Create a one-off invoice |
| GET | `/invoices/summary` | List invoices summary |
| POST | `/invoices/summary/{invoice_id}/issue` | Issue invoice summary |
| GET | `/invoices/upcoming` | Fetch upcoming invoice |
| GET | `/invoices/{invoice_id}` | Fetch invoice |
| PUT | `/invoices/{invoice_id}` | Update invoice |
| DELETE | `/invoices/{invoice_id}/invoice_line_items/{line_item_id}` | Delete invoice line item |
| POST | `/invoices/{invoice_id}/issue` | Issue invoice |
| POST | `/invoices/{invoice_id}/mark_paid` | Mark invoice as paid |
| POST | `/invoices/{invoice_id}/pay` | Pay invoice |
| POST | `/invoices/{invoice_id}/regenerate_invoice_pdf` | Regenerate invoice PDF |
| POST | `/invoices/{invoice_id}/regenerate_receipt_pdf` | Regenerate receipt PDF |
| POST | `/invoices/{invoice_id}/void` | Void invoice |

## Machine-readable artifacts (13)

- **OpenAPI** — https://artifacts.apis.io/orb-billing/openapi/orb-billing-invoice-api-openapi.yml
- **APIReference** — https://docs.withorb.com/api-reference/customer
- **PostmanCollection** — https://artifacts.apis.io/orb-billing/collections/orb-billing.postman_collection.json
- **APIReference** — https://docs.withorb.com/api-reference/plan
- **APIReference** — https://docs.withorb.com/api-reference/subscription
- **Documentation** — https://docs.withorb.com/events-and-metrics/event-ingestion
- **APIReference** — https://docs.withorb.com/api-reference/event
- **Documentation** — https://docs.withorb.com/invoicing/structure
- **APIReference** — https://docs.withorb.com/api-reference/invoice
- **APIReference** — https://docs.withorb.com/api-reference/credit
- **APIReference** — https://docs.withorb.com/api-reference/price
- **APIReference** — https://docs.withorb.com/api-reference/alert
- **Documentation** — https://docs.withorb.com/guides/integrations-and-exports/webhooks

## Other Orb APIs (12)

- [Orb Alerts API](https://apis.io/apis/orb-billing/orb-billing-alerts-api/)
- [Orb Credits API](https://apis.io/apis/orb-billing/orb-billing-credits-api/)
- [Orb Events API](https://apis.io/apis/orb-billing/orb-billing-events-api/)
- [Orb Accounting sync webhooks API](https://apis.io/apis/orb-billing/orb-billing-accounting-sync-webhooks-api/)
- [Orb Alert API](https://apis.io/apis/orb-billing/orb-billing-alert-api/)
- [Orb Automation webhooks API](https://apis.io/apis/orb-billing/orb-billing-automation-webhooks-api/)
- [Orb Availability API](https://apis.io/apis/orb-billing/orb-billing-availability-api/)
- [Orb Coupon API](https://apis.io/apis/orb-billing/orb-billing-coupon-api/)
- [Orb Credit API](https://apis.io/apis/orb-billing/orb-billing-credit-api/)
- [Orb Credit note API](https://apis.io/apis/orb-billing/orb-billing-credit-note-api/)
- [Orb Customer API](https://apis.io/apis/orb-billing/orb-billing-customer-api/)
- [Orb Customer webhooks API](https://apis.io/apis/orb-billing/orb-billing-customer-webhooks-api/)

## Tags

Invoices

---

Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/orb-billing/orb-billing-invoice-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/orb-billing/.