---
title: "Return the heavy / detail-only fields for a single voice call."
method: GET
path: "/tracer/trace/voice_call_detail/"
tags: ["tracer"]
---

# Return the heavy / detail-only fields for a single voice call.

`GET /tracer/trace/voice_call_detail/`

## Request

- Base URL: `http://localhost:8000`
- URL: `http://localhost:8000/tracer/trace/voice_call_detail/`
- Auth: one of:
  - API key in header `X-Api-Key`
  - API key in header `X-Secret-Key`

Query params:
- trace_id or legacy traceId (required) — UUID of the voice call trace.
- project_id (optional) — the project the call was opened from.

## Query parameters

- `trace_id` string, uuid
- `traceId` string, uuid
- `project_id` string, uuid

## Response `200`

OK

- TraceVoiceCallDetailResponse
  - `status` boolean, required
  - `result` TraceVoiceCallDetailResult, required
    - `id` string, required
    - `trace_id` string, required
    - `project_id` string, required
    - `provider_call_id` string, nullable, required
    - `phone_number` string, nullable
    - `customer_name` string, nullable
    - `call_id` string, nullable
    - `status` string, nullable
    - `started_at` string, nullable
    - `ended_at` string, nullable
    - `created_at` string, nullable
    - `duration_seconds` integer, nullable
    - `recording_url` string, nullable
    - `stereo_recording_url` string, nullable
    - `cost_cents` number, nullable
    - `cost_breakdown` object, nullable
    - `error_message` string, nullable
    - `call_summary` string, nullable
    - `ended_reason` string, nullable
    - `overall_score` number, nullable
    - `response_time_ms` number, nullable
    - `response_time_seconds` number, nullable
    - `assistant_id` string, nullable
    - `assistant_phone_number` string, nullable
    - `call_type` string, nullable
    - `message_count` integer, nullable
    - `transcript_available` boolean, nullable
    - `transcript` object[], nullable
    - `messages` object[], nullable
    - `analysis_data` object, nullable
    - `evaluation_data` object, nullable
    - `recording` object, required
    - `recording_available` boolean, required
    - `call_metadata` object, required
    - `observation_span` object[], required
    - `eval_outputs` object, required
    - `eval_rollup` object, nullable
      - `scope` 'trace' | 'span', required
      - `evals` EvalRollupEval[], required
        - `eval_config_id` string, required
        - `eval_name` string, required
        - `output_type` string, nullable
        - `template_type` string, nullable
        - `target_type` 'span' | 'trace', nullable
        - `choices_map` object, nullable: Any valid JSON value.
        - `aggregate` object, required: Any valid JSON value.
        - `spans` EvalRollupSpan[], required
          - `span_id` string, required
          - `span_name` string
          - `value` object, nullable: Any valid JSON value.
          - `explanation` string, nullable
          - `error` boolean
          - `status` string, nullable
          - `eval_config_id` string
        - `error` boolean
      - `error` boolean
    - `call_execution_id` string, nullable
    - `test_execution_id` string, nullable
    - `scenario_id` string, nullable
    - `scenario_name` string, nullable
    - `scenario_graph_id` string, nullable
    - `scenario_graph` object
    - `turn_count` integer, nullable, required
    - `talk_ratio` number, nullable, required
    - `agent_talk_percentage` number, nullable, required
    - `bot_talk_pct` integer, nullable, required
    - `user_talk_pct` integer, nullable, required
    - `avg_agent_latency_ms` integer, nullable, required
    - `user_wpm` integer, nullable, required
    - `bot_wpm` integer, nullable, required
    - `user_interruption_count` integer, nullable, required
    - `ai_interruption_count` integer, nullable, required

## Other responses

- `400`: Bad Request
- `404`: Not Found
- `500`: Internal Server Error
- `503`: Service Unavailable
- `default`: Default error response

---

[API](https://skmtc.dev/futureagi/apis/future-agi-management-api.md) · [All operations](https://skmtc.dev/futureagi/apis/future-agi-management-api/llms.txt) · [OpenAPI document](https://skmtc.dev/futureagi/apis/future-agi-management-api/revisions/c8684118e142?raw)