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Simulation Scenarios

Delete Scenario

Deletes the specified scenario.

Authentication

AuthorizationBearer

Authenticate server-side requests with a private Vapi API key. Create or copy a key from the Vapi Dashboard and send it in the Authorization header as Bearer <token>. Keep private API keys out of client-side code and public repositories.

Path parameters

idstringRequiredformat: "uuid"
The unique identifier of the scenario.

Response

idstringformat: "uuid"
This is the unique identifier for the scenario.
orgIdstringformat: "uuid"
This is the unique identifier for the organization this scenario belongs to.
createdAtdatetime

This is the ISO 8601 date-time string of when the scenario was created.

updatedAtdatetime

This is the ISO 8601 date-time string of when the scenario was last updated.

namestring<=80 characters
This is the name of the scenario.
instructionsstring<=10000 characters

This is the script/instructions for the tester to follow during the simulation.

evaluationslist of objects

This is the structured output-based evaluation plan for the simulation. Each item defines a structured output to extract and evaluate against an expected value.

hookslist of objectsOptional
Hooks to run on simulation lifecycle events
targetOverridesobjectOptional
Overrides to inject into the simulated target assistant or squad
toolMockslist of objectsOptional

Scenario-level tool call mocks to use during simulations.

latencyExpectationslist of objectsOptional

Latency ceilings for voice simulations. Each expectation aggregates the target call’s per-turn latencies and fails the simulation (when required) if the aggregated value exceeds its threshold. Skipped for chat simulations and GPT Live targets; on any other voice simulation, a metric that no turn measured fails.

pathstring or nullOptionalformat: "/^[a-zA-Z0-9][a-zA-Z0-9._-]*(?:\/[a-zA-Z0-9][a-zA-Z0-9._-]*){0,2}$/"<=255 characters

Optional folder path for organizing scenarios. Supports up to 3 levels (e.g., “dept/feature/variant”). Maps to GitOps resource folder structure.

Errors

409
Conflict Error