> 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. # Why is my payment failing? Payment failures may happen for a variety of reasons: * The payment was not verified on the card holder's side. Upon checking out from the payment page, users should be asked to verify their payment with their bank. * The user's bank may decline the payment. * The user had insufficient funds in their account. > 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.