> 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. # Billing > 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. ## Docs - [Plans and pricing](https://elevenlabs.io/docs/reception-ai/billing/plans-and-pricing.md): Choose the right plan for your business. - [Usage and limits](https://elevenlabs.io/docs/reception-ai/billing/usage-and-limits.md): How credits, overage, and resource limits work. - [Referral program](https://elevenlabs.io/docs/reception-ai/billing/referral-program.md): Give a friend their first month free and earn a month of credit.