> For the complete documentation index, see [llms.txt](https://docs.navigaglobal.com/naviga-subscribe/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.navigaglobal.com/naviga-subscribe/additional-resources.md).

# ADDITIONAL RESOURCES

- [Subscribe APIs](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis.md)
- [Purchase API 3.17.1.2](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis/purchase-api-3.17.1.2.md)
- [Newsletter Widget API](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis/mg2-newsletter-widget-api.md)
- [InApp API (External Payments)](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis/inapp-api-external-payments.md)
- [Newstart InApp (Webhooks)](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis/inapp-api-reference.md)
- [Subscription API](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis/subscribe-api.md): This document is currently being revised
- [Entitlements API Reference](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis/entitlements-api-reference.md)
- [Firefly](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/subscribe-apis/firefly.md)
- [Workflows](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows.md)
- [Make a Payment Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/make-a-payment-workflow.md)
- [Auto-renew Workflows](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/auto-renew-workflows.md)
- [NCS Only](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams.md)
- [eBill Workflows](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/ebill-workflows.md)
- [Vacation Transfer Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/vacation-transfer-workflow.md)
- [Permanent Stop Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/permanent-stop-workflow.md)
- [Temporary Stop Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/temporary-stop-workflow.md)
- [Solicitation Preference Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/solicitation-preference-workflow.md)
- [Delivery Issues Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/delivery-issues-workflow.md)
- [Address Management Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/address-management-workflow.md)
- [Restarts](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/restarts.md)
- [Subscription Purchase Workflows](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/ncs-diagrams/subscription-purchase-workflows.md)
- [Matrix Only](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/matrix-diagrams.md)
- [New Start (Matrix)](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/matrix-diagrams/new-start-matrix.md)
- [CircPro Only](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/circpro-only.md)
- [New start Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/circpro-only/new-start-workflow.md)
- [Complaints Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/circpro-only/complaints-workflow.md)
- [Update Payment Information Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/circpro-only/update-payment-information-workflow.md)
- [Switch to Invoice Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/circpro-only/switch-to-invoice-workflow.md)
- [One Time Payment Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/circpro-only/one-time-payment-workflow.md)
- [Temporary Stop Workflow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/circpro-only/temporary-stop-workflow.md)
- [New Start Flow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/new-start-flow.md): We use the term “Newstart” to refer to the new Subscriptions created on Naviga Subscribe. In this document, we will review all the necessary steps to perform a Newstart through Subscribe API.
- [Move Flow](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/workflows/move-flow.md): This document describes the endpoints required to manage both the billing and delivery address changes a.k.a. Moves.
- [Videos & Webinars](https://docs.navigaglobal.com/naviga-subscribe/additional-resources/videos-and-webinars.md)