---
title: "Query Sessions"
method: POST
path: "/spans/sessions/query"
tags: ["Traces"]
---

# Query Sessions

`POST /spans/sessions/query`

## Request body

- SessionsQueryRequest — Request body for `POST /tracing/sessions/query`.
  - `realtime` boolean, nullable — When `true`, paginate by `last_active` (reflects ongoing activity but can shift between pages). When `false` or unset, paginate by the stable `first_active` cursor.
  - `windowing` Windowing
    - `newest` string, date-time, nullable
    - `oldest` string, date-time, nullable
    - `next` string, uuid, nullable
    - `limit` integer, nullable
    - `order` 'ascending' | 'descending', nullable
    - `interval` integer, nullable
    - `rate` number, nullable

## Response `200`

Successful Response

- SessionIdsResponse
  - `count` integer — Number of session IDs in this page.
  - `session_ids` string[] — Distinct values of `ag.session.id` in this page.
  - `windowing` Windowing
    - `newest` string, date-time, nullable
    - `oldest` string, date-time, nullable
    - `next` string, uuid, nullable
    - `limit` integer, nullable
    - `order` 'ascending' | 'descending', nullable
    - `interval` integer, nullable
    - `rate` number, nullable

## Other responses

- `422` — Validation Error

## Changes

- **2026-05-19** `a7f9a6823230` — 2 warning
  - removed the optional property `support_id` from the response with the `200` status
  - removed the optional property `support_ts` from the response with the `200` status
- **2026-05-08** `bb630edffa27` — 1 info
  - endpoint added
- **2025-06-27** `e3e84db47198` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/agenta-ai/apis/agenta-api/changes/spans/sessions/query/post.md)

---

[API](https://skmtc.dev/agenta-ai/apis/agenta-api.md) · [All operations](https://skmtc.dev/agenta-ai/apis/agenta-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/agenta-ai/agenta-api/revisions/713e4f3b7519/schema)