> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://developers.beehiiv.com/webhooks/subscription/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://developers.beehiiv.com/_mcp/server. # Subscription > Build your audience with beehiiv's API and SDKs. Create new subscribers and posts, get real-time notifications of subscription activity, and more. ## API Docs - Subscription [Subscription Created](https://developers.beehiiv.com/webhooks/subscription/created.md) - Subscription [Subscription Confirmed](https://developers.beehiiv.com/webhooks/subscription/confirmed.md) - Subscription [Subscription Deleted](https://developers.beehiiv.com/webhooks/subscription/deleted.md) - Subscription [Subscription Upgraded](https://developers.beehiiv.com/webhooks/subscription/upgraded.md) - Subscription [Subscription Downgraded](https://developers.beehiiv.com/webhooks/subscription/downgraded.md) - Subscription [Subscription Paused](https://developers.beehiiv.com/webhooks/subscription/paused.md) - Subscription [Subscription Resumed](https://developers.beehiiv.com/webhooks/subscription/resumed.md) - Subscription [Subscription Tier Paused](https://developers.beehiiv.com/webhooks/subscription/tier-paused.md) - Subscription [Subscription Tier Resumed](https://developers.beehiiv.com/webhooks/subscription/tier-resumed.md) - Subscription [Subscription Tier Created](https://developers.beehiiv.com/webhooks/subscription/tier-added.md) - Subscription [Subscription Tier Deleted](https://developers.beehiiv.com/webhooks/subscription/tier-deleted.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://developers.beehiiv.com/openapi.json) - [OpenAPI YAML](https://developers.beehiiv.com/openapi.yaml)