---
title: "Get traces by project_name or project_id"
method: GET
path: "/v1/private/traces"
tags: ["Traces"]
---

# Get traces by project_name or project_id

`GET /v1/private/traces`

Get traces by project_name or project_id

## Query parameters

- `page` integer
- `size` integer
- `project_name` string
- `project_id` string, uuid
- `filters` string
- `truncate` boolean — Truncate input, output and metadata to slim payloads
- `strip_attachments` boolean — If true, returns attachment references like [file.png]; if false, downloads and reinjects stripped attachments
- `sorting` string
- `exclude` string
- `search` string — Full-text search across trace fields
- `from_time` string, date-time — Filter traces created from this time (ISO-8601 format).
- `to_time` string, date-time — Filter traces created up to this time (ISO-8601 format). If not provided, defaults to current time. Must be after 'from_time'.
- `annotation_queue_id` string, uuid — Filter traces belonging to this annotation queue and scope feedback scores/comments to it

## Response `200`

Trace resource

- TracePagePublic
  - `page` integer
  - `size` integer
  - `total` integer
  - `content` TracePublic[]
    - `id` string, uuid
    - `project_id` string, uuid
    - `name` string
    - `start_time` string, date-time, required
    - `end_time` string, date-time
    - `input` JsonListStringPublic
    - `output` JsonListStringPublic
    - `metadata` JsonListStringPublic
    - `tags` string[]
    - `error_info` ErrorInfoPublic
      - `exception_type` string, required
      - `message` string
      - `traceback` string, required
    - `usage` object
    - `created_at` string, date-time
    - `last_updated_at` string, date-time
    - `created_by` string
    - `last_updated_by` string
    - `feedback_scores` FeedbackScorePublic[]
      - `name` string, required
      - `category_name` string
      - `value` number, required
      - `reason` string
      - `source` 'ui' | 'sdk' | 'online_scoring', required
      - `source_queue_id` string, uuid
      - `created_at` string, date-time
      - `last_updated_at` string, date-time
      - `created_by` string
      - `last_updated_by` string
      - `value_by_author` object
    - `span_feedback_scores` FeedbackScorePublic[] — Aggregated feedback scores from all spans in this trace, averaged by score name
      - `name` string, required
      - `category_name` string
      - `value` number, required
      - `reason` string
      - `source` 'ui' | 'sdk' | 'online_scoring', required
      - `source_queue_id` string, uuid
      - `created_at` string, date-time
      - `last_updated_at` string, date-time
      - `created_by` string
      - `last_updated_by` string
      - `value_by_author` object
    - `comments` CommentPublic[]
      - `id` string, uuid
      - `text` string, required
      - `source_queue_id` string, uuid
      - `created_at` string, date-time
      - `last_updated_at` string, date-time
      - `created_by` string
      - `last_updated_by` string
    - `guardrails_validations` GuardrailsValidationPublic[]
      - `span_id` string, uuid
      - `checks` CheckPublic[]
        - `name` 'TOPIC' | 'PII' | 'LLM_JUDGE' | 'PROMPT_INJECTION' | 'CUSTOM_CLASSIFIER'
        - `result` 'passed' | 'failed'
    - `total_estimated_cost` number
    - `span_count` integer
    - `duration` number, double — Duration in milliseconds as a decimal number to support sub-millisecond precision
    - `ttft` number, double — Time to first token in milliseconds
    - `thread_id` string
    - `visibility_mode` 'default' | 'hidden'
    - `llm_span_count` integer
    - `has_tool_spans` boolean
    - `providers` string[] — List of unique provider names from all spans in this trace, sorted alphabetically
    - `experiment` ExperimentItemReferencePublic — Experiment reference with ID, name, dataset ID, and dataset item ID
      - `id` string, uuid, required — Experiment ID
      - `name` string, required — Experiment name
      - `dataset_id` string, uuid, required — Dataset ID
      - `dataset_item_id` string, uuid, required — Dataset Item ID
    - `source` 'sdk' | 'experiment' | 'playground' | 'optimization' | 'evaluator'
    - `environment` string
  - `sortableBy` string[]

---

[API](https://skmtc.net/comet-ml/apis/opik-rest-api.md) · [All operations](https://skmtc.net/comet-ml/apis/opik-rest-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/comet-ml/opik-rest-api/versions/4ed2fbc97cc3/schema)