No-Code Voice Clone Telegram Bot with n8n + ElevenLabs
Build a Telegram bot in n8n that receives voice messages, clones them via ElevenLabs API into custom voices, saves to Google Drive, and replies with the cloned audio—all in 15 minutes without coding.
Secure Message Routing Prevents Unauthorized API Abuse
Start with a Telegram Trigger node configured on webhook for voice, text, or image messages, connected to your bot token. Add a Sanitize node immediately after using JavaScript to check sender ID: if ($json.message.from.id.toString() !== '7773500682') return [];—replace 7773500682 with your Telegram User ID from @userinfobot. This blocks non-authorized users, protecting ElevenLabs credits.
Follow with a Switch node routing by message type: Condition 1 checks {{ $json.message.text }} exists for text; Condition 2 checks {{ $json.message.voice }} for voice (output 'Audio'); Condition 3 for images. Text routes to a reply like 'Send voice only'; this visual if-else ensures only voice messages proceed to cloning, handling mixed inputs reliably.
Voice Cloning Pipeline Downloads and Transforms Audio
For voice paths, use Telegram's Get File node (resource: File, operation: Get, file ID: {{ $json.message.voice.file_id }}, download: true) to fetch the actual OGG audio—Telegram webhooks send only IDs to save bandwidth.
Pipe to an HTTP Request node renamed 'Generate cloned audio' (POST to https://api.elevenlabs.io/v1/voice-generation, headers: xi-api-key: your ElevenLabs key, Content-Type: application/json). Body: { "voice_id": "your_voice_id_from_elevenlabs", "voice_settings": { "stability": 0.5, "similarity_boost": 0.5 }, "text_to_speech_prompt": "Convert this audio to the target voice", "files": [ { "file": "{{ $binary.data }}", "name": "input.ogg" } ], "model_id": "eleven_turbo_v2_5", "previous_text_to_speech_prompt": "", "previous_voice_id": "" }. Response: Output as binary MP3. Experiment with ElevenLabs voice IDs for voices like Morgan Freeman; this clones input audio directly, not text-to-speech, yielding natural results.
Persistent Storage and Instant Telegram Delivery
Route cloned MP3 to Google Drive Upload node (operation: Upload, name: cloned_{{ $json.original_filename }}.mp3, parent folder: search 'Elevenlabs' in My Drive). This prefixes files for organization, building a searchable library for content creators, podcasters (intros), or marketers (A/B tests)—avoids direct sends for easy reuse/sharing.
Finally, Telegram Send Audio node (chat ID: {{ $json.message.chat.id }}, audio: {{ $binary.data }}) replies in the same chat. Connect linearly: Trigger → Sanitize → Switch (Audio) → Get File → HTTP ElevenLabs → Drive → Send Audio. Activate workflow, test by sending voice to bot; check n8n execution logs for failures.
Prerequisites: n8n/ ElevenLabs/ Telegram Bot Token (via @BotFather)/ Google Drive accounts. No coding needed—drag/connect nodes like LEGO. This assembly-line architecture turns weeks of dev work into 15 minutes, enabling instant voiceovers.