Overview Add ElevenLabs to any ModuleX agent or workflow. AI voice integration via the synchronous elevenlabs SDK. 15 actions across TTS, STT, sound effects, voice library / cloning / isolation, subscription, and Conversational-AI agents.
Categories : AI & Machine Learning · Audio · Voice · Auth : API Key, ModuleX Managed Key · Actions : 15
Authentication API Key
ModuleX Managed Key
API Key Authentication Authenticate using your ElevenLabs API key Required Credentials Field Description Required Format ElevenLabs API Key Your ElevenLabs API key Yes sk_xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
ModuleX Managed Key Use ModuleX’s managed API keys with usage tracked against your weekly credit limit Available Actions
text_to_speech — Convert text to AI-generated speech audio (base64-encoded)
Parameters Voice name (alternative to voice_id)
TTS model ID (Default: eleven_multilingual_v2)
Voice stability (0-1) (Default: 0.5)
Voice similarity to original (0-1) (Default: 0.75)
Style exaggeration (0-1) (Default: 0)
Speech speed (0.7-1.2) (Default: 1)
ISO 639-1 language code (Default: en)
Audio output format (Default: mp3_44100_128)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "audio_base64" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Audio Base64" }, "voice" : { "anyOf" : [ { "additionalProperties" : true , "type" : "object" }, { "type" : "null" } ], "default" : null , "title" : "Voice" }, "model_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Model Id" }, "format" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Format" }, "text_length" : { "default" : 0 , "title" : "Text Length" , "type" : "integer" }, "audio_size_bytes" : { "default" : 0 , "title" : "Audio Size Bytes" , "type" : "integer" } }, "required" : [ "success" ], "title" : "TextToSpeechOutput" , "type" : "object" }
speech_to_text — Transcribe audio to text with optional speaker diarization
Parameters Base64-encoded audio (XOR with audio_url)
Identify speakers (Default: false)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "transcript" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Transcript" }, "diarized" : { "default" : false , "title" : "Diarized" , "type" : "boolean" }, "language_detected" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Language Detected" } }, "required" : [ "success" ], "title" : "SpeechToTextOutput" , "type" : "object" }
text_to_sound_effects — Generate a custom sound effect from a text description
Parameters Sound description (e.g. ‘thunder rumbling’)
Duration (0.5-5 seconds) (Default: 2)
Audio output format (Default: mp3_44100_128)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "audio_base64" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Audio Base64" }, "description" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Description" }, "duration_seconds" : { "anyOf" : [ { "type" : "number" }, { "type" : "null" } ], "default" : null , "title" : "Duration Seconds" }, "format" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Format" }, "audio_size_bytes" : { "default" : 0 , "title" : "Audio Size Bytes" , "type" : "integer" } }, "required" : [ "success" ], "title" : "TextToSoundEffectsOutput" , "type" : "object" }
search_voices — Search the ElevenLabs voice library
Parameters Search term to filter voices
created_at_unix or name (Default: name)
asc or desc (Default: desc)
Response { "$defs" : { "VoiceEntry" : { "additionalProperties" : false , "properties" : { "id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Id" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "category" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Category" }, "description" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Description" }, "labels" : { "additionalProperties" : true , "title" : "Labels" , "type" : "object" } }, "title" : "VoiceEntry" , "type" : "object" } }, "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "voices" : { "items" : { "$ref" : "#/$defs/VoiceEntry" }, "title" : "Voices" , "type" : "array" }, "count" : { "default" : 0 , "title" : "Count" , "type" : "integer" } }, "required" : [ "success" ], "title" : "SearchVoicesOutput" , "type" : "object" }
list_models — List all available TTS models
Response { "$defs" : { "ModelEntry" : { "additionalProperties" : false , "properties" : { "id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Id" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "description" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Description" }, "languages" : { "items" : { "additionalProperties" : true , "type" : "object" }, "title" : "Languages" , "type" : "array" } }, "title" : "ModelEntry" , "type" : "object" } }, "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "models" : { "items" : { "$ref" : "#/$defs/ModelEntry" }, "title" : "Models" , "type" : "array" }, "count" : { "default" : 0 , "title" : "Count" , "type" : "integer" } }, "required" : [ "success" ], "title" : "ListModelsOutput" , "type" : "object" }
get_voice — Get details for a specific voice
Parameters Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Id" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "category" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Category" }, "description" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Description" }, "labels" : { "additionalProperties" : true , "title" : "Labels" , "type" : "object" }, "fine_tuning_status" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Fine Tuning Status" }, "settings" : { "anyOf" : [ { "additionalProperties" : true , "type" : "object" }, { "type" : "null" } ], "default" : null , "title" : "Settings" } }, "required" : [ "success" ], "title" : "GetVoiceOutput" , "type" : "object" }
voice_clone — Create an instant voice clone from audio samples
Parameters Base64-encoded audio samples
Optional voice description
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Id" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "category" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Category" }, "description" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Description" } }, "required" : [ "success" ], "title" : "VoiceCloneOutput" , "type" : "object" }
isolate_audio — Isolate voice from background noise / music
Parameters Audio URL (alternative to base64)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "audio_base64" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Audio Base64" }, "original_size_bytes" : { "default" : 0 , "title" : "Original Size Bytes" , "type" : "integer" }, "isolated_size_bytes" : { "default" : 0 , "title" : "Isolated Size Bytes" , "type" : "integer" } }, "required" : [ "success" ], "title" : "IsolateAudioOutput" , "type" : "object" }
check_subscription — Check current subscription tier + usage
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "tier" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Tier" }, "character_count" : { "anyOf" : [ { "type" : "integer" }, { "type" : "null" } ], "default" : null , "title" : "Character Count" }, "character_limit" : { "anyOf" : [ { "type" : "integer" }, { "type" : "null" } ], "default" : null , "title" : "Character Limit" }, "can_extend_character_limit" : { "anyOf" : [ { "type" : "boolean" }, { "type" : "null" } ], "default" : null , "title" : "Can Extend Character Limit" }, "allowed_to_extend_character_limit" : { "anyOf" : [ { "type" : "boolean" }, { "type" : "null" } ], "default" : null , "title" : "Allowed To Extend Character Limit" }, "next_character_count_reset_unix" : { "anyOf" : [ { "type" : "integer" }, { "type" : "null" } ], "default" : null , "title" : "Next Character Count Reset Unix" }, "voice_limit" : { "anyOf" : [ { "type" : "integer" }, { "type" : "null" } ], "default" : null , "title" : "Voice Limit" }, "professional_voice_limit" : { "anyOf" : [ { "type" : "integer" }, { "type" : "null" } ], "default" : null , "title" : "Professional Voice Limit" } }, "required" : [ "success" ], "title" : "CheckSubscriptionOutput" , "type" : "object" }
create_agent — Create a conversational AI agent
Parameters Voice ID (Default: cgSgspJ2msm6clMCkdW9)
LLM to power the agent (Default: gemini-2.0-flash-001)
LLM temperature (Default: 0.5)
Voice stability (Default: 0.5)
Voice similarity (Default: 0.8)
Max conversation duration (Default: 300)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "agent_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Agent Id" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "voice_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Voice Id" }, "language" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Language" }, "llm" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Llm" } }, "required" : [ "success" ], "title" : "CreateAgentOutput" , "type" : "object" }
list_agents — List all conversational AI agents
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "agents" : { "items" : { "additionalProperties" : true , "type" : "object" }, "title" : "Agents" , "type" : "array" }, "count" : { "default" : 0 , "title" : "Count" , "type" : "integer" } }, "required" : [ "success" ], "title" : "ListAgentsOutput" , "type" : "object" }
get_agent — Get a specific agent's configuration
Parameters Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "agent_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Agent Id" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "voice_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Voice Id" }, "created_at" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Created At" } }, "required" : [ "success" ], "title" : "GetAgentOutput" , "type" : "object" }
add_knowledge_base_to_agent — Attach a knowledge base document (from URL, text, or file) to an agent
Parameters Display name for the KB document
Source URL (XOR text / file)
Base64 file (epub / pdf / docx / txt / html)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "knowledge_base_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Knowledge Base Id" }, "name" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Name" }, "agent_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Agent Id" }, "source_type" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Source Type" } }, "required" : [ "success" ], "title" : "AddKnowledgeBaseOutput" , "type" : "object" }
list_conversations — List recorded conversations (optionally filtered by agent)
Parameters Results per page (1-100) (Default: 30)
Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "conversations" : { "items" : { "additionalProperties" : true , "type" : "object" }, "title" : "Conversations" , "type" : "array" }, "count" : { "default" : 0 , "title" : "Count" , "type" : "integer" } }, "required" : [ "success" ], "title" : "ListConversationsOutput" , "type" : "object" }
get_conversation — Get a conversation's full transcript
Parameters Response { "additionalProperties" : false , "properties" : { "success" : { "title" : "Success" , "type" : "boolean" }, "error" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Error" }, "conversation_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Conversation Id" }, "agent_id" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Agent Id" }, "status" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Status" }, "transcript" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Transcript" }, "message_count" : { "default" : 0 , "title" : "Message Count" , "type" : "integer" }, "duration_seconds" : { "anyOf" : [ { "type" : "integer" }, { "type" : "null" } ], "default" : null , "title" : "Duration Seconds" }, "analysis_summary" : { "anyOf" : [ { "type" : "string" }, { "type" : "null" } ], "default" : null , "title" : "Analysis Summary" } }, "required" : [ "success" ], "title" : "GetConversationOutput" , "type" : "object" }
Links 
