Process audio with ElevenLabs via KIE.AI: transcribe, TTS, and isolate audio

by Muhammad Farooq Iqbal ✓ · 224 views · created 2025-12-27 · Content Creation, Multimodal AI

What this workflow does

This workflow has 19 nodes and runs manually, when you click “Execute workflow”. It uses only n8n's built-in nodes. It also calls api.kie.ai over HTTP.

How it runs

Trigger: Manually, when you click “Execute workflow”.

1. Set Audio URL (Edit Fields (Set)): sets 1 field: audio_url
2. Submit Audio for Transcription (HTTP Request): calls api.kie.ai (POST)
3. Wait: waits 5 seconds
4. Check Transcription Status (HTTP Request): calls api.kie.ai
5. Switch: routes items into 5 branches
6. Extract Transcription Text (Code): runs custom JavaScript code
7. Set Audio URL (Edit Fields (Set)): sets 1 field: audio_url
8. Submit Audio for Isolation (HTTP Request): calls api.kie.ai (POST)
9. Wait: waits 5 seconds
10. Check Isolation Status (HTTP Request): calls api.kie.ai

…plus 8 more steps. See the full node list below.

HTTP calls to: api.kie.ai

Before you upgrade to n8n 3.0

Nodes used (6)

• Edit Fields (Set)n8n-nodes-base.set
• Waitn8n-nodes-base.wait
• HTTP Requestn8n-nodes-base.httpRequest
• Switchn8n-nodes-base.switch
• Coden8n-nodes-base.code
• Manual Triggern8n-nodes-base.manualTrigger

From the author

This n8n template provides a comprehensive suite of ElevenLabs audio processing capabilities through the KIE.AI API. The workflow includes three independent audio processing workflows: speech-to-text transcription, text-to-speech generation, and audio…

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