---
title: "List Vapi Latency"
method: GET
path: "/developer/vapi-latency"
tags: ["Developer", "Developer - Vapi Latency"]
---

# List Vapi Latency

`GET /developer/vapi-latency`

Recent stored call-level Vapi latency rows, newest call first.

## Query parameters

- `limit` integer

## Response `200`

Successful Response

- VapiCallLatencyListResponse — Recent stored Vapi call-level latency rows.
  - `items` VapiCallLatencyItem[]
    - `vapi_call_latency_id` string, uuid, required
    - `vapi_call_id` string, required
    - `call_id` string, uuid, nullable
    - `customer_id` string, uuid, nullable
    - `status` string, nullable
    - `ended_reason` string, nullable
    - `squad_id` string, nullable
    - `started_at` string, nullable
    - `ended_at` string, nullable
    - `call_duration_seconds` integer, nullable
    - `turn_count` integer, nullable
    - `model_latency_avg_ms` integer, nullable
    - `voice_latency_avg_ms` integer, nullable
    - `transcriber_latency_avg_ms` integer, nullable
    - `endpointing_latency_avg_ms` integer, nullable
    - `turn_latency_avg_ms` integer, nullable
    - `from_transport_latency_avg_ms` integer, nullable
    - `to_transport_latency_avg_ms` integer, nullable
    - `llm_model` string, nullable
    - `llm_provider` string, nullable
    - `voice_model` string, nullable
    - `voice_provider` string, nullable
    - `transcriber_model` string, nullable
    - `transcriber_provider` string, nullable
    - `cost` number, nullable
    - `created_at` string, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/openintake/apis/fastapi.md) · [All operations](https://skmtc.dev/openintake/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/openintake/fastapi/revisions/4a81645b59f6/schema)