01 · Challenge
Conversational voice platforms may send slightly different payload shapes, which can break downstream automation if the integration assumes a single format.
Back to work
Conversational AI · Blocking webhooks
ElevenLabs Conversational Workflow
An ElevenLabs webhook tool and n8n workflow that receives caller messages in blocking mode, normalizes payloads, and routes lead capture, lookup, and general AI-response branches.
Scroll into system
Case study brief
The problem, then the product response.
02 · Response
I built an ElevenLabs-to-n8n workflow that accepts blocking webhook calls, normalizes payload variants, and returns concise results for lead capture, lookup, or general assistance.
System anatomy
How the system coordinates work.
The architecture is expressed as responsibilities and boundaries so the model, workflow logic, interfaces, and human controls remain inspectable.
01
ElevenLabs sends caller messages to a blocking webhook tool
02
The workflow normalizes payload variants into a stable JSON contract
03
Action branches handle lead capture, lookups, or a general AI response
Implementation
What I built and the decisions behind it.
01
Defined the ElevenLabs webhook tool and expected response contract.
02
Mapped alternative caller-message fields into one stable JSON structure.
03
Separated lead, lookup, and AI-response branches with explicit routing.
04
Returned compact voice-ready output and retained human escalation as a safe fallback.
Evidence & validation
What an evaluator can inspect.
Two reusable agent/workflow configuration exports.
Voice-agent screenshot and documented integration structure.
Dedicated project post and evidence assets.
Reflection
Integration quality improves when connector-specific variability is absorbed at the boundary rather than spread across every branch.
Next iteration
- →Add signed webhook verification.
- →Measure end-to-end response latency.
- →Introduce call summaries, consent controls, and production logging.
Outcomes
What the project delivered.
Importable n8n workflow structure
Reliable payload normalization across caller-message variants
Concise voice-ready responses with defined escalation behavior