> This is a page from the ElevenLabs documentation. For a complete page index, fetch https://elevenlabs.io/docs/llms.txt. For the full documentation in a single file, fetch https://elevenlabs.io/docs/llms-full.txt. # Subscriptions > ElevenLabs provides APIs and SDKs for text to speech, voice cloning, speech to text, sound effects, voice isolator, voice changer, and conversational AI agents. Build voice-enabled applications with lifelike audio generation. ## API Docs - Subscriptions [Assign Reseller Tier](https://elevenlabs.io/docs/api-reference/reception/subscriptions/assign.md) - Subscriptions [Unassign Reseller Tier](https://elevenlabs.io/docs/api-reference/reception/subscriptions/unassign.md) - Subscriptions [Change Reseller Tier](https://elevenlabs.io/docs/api-reference/reception/subscriptions/change.md) - Subscriptions [Restore Reseller Subscription](https://elevenlabs.io/docs/api-reference/reception/subscriptions/restore.md) - Subscriptions [Cancel Reseller Pending Downgrade](https://elevenlabs.io/docs/api-reference/reception/subscriptions/cancel-pending-downgrade.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://elevenlabs.io/docs/openapi.json) - [OpenAPI YAML](https://elevenlabs.io/docs/openapi.yaml)