---
title: "Call Read"
method: POST
path: "/call/read"
tags: ["Calls"]
---

# Call Read

`POST /call/read`

## Request

- Base URL: `https://trace.wandb.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://trace.wandb.ai/call/read`
- Auth: none declared

## Request body

- CallReadReq
  - `project_id` string, required
  - `id` string, required
  - `include_costs` boolean, nullable
  - `include_storage_size` boolean, nullable
  - `include_total_storage_size` boolean, nullable

## Response `200`

Successful Response

- CallReadRes
  - `call` CallSchema, required
    - `id` string, required
    - `project_id` string, required
    - `op_name` string, required
    - `display_name` string, nullable
    - `trace_id` string, required
    - `parent_id` string, nullable
    - `thread_id` string, nullable
    - `turn_id` string, nullable
    - `started_at` string, date-time, required
    - `attributes` object, required
    - `inputs` object, required
    - `ended_at` string, date-time, nullable
    - `exception` string, nullable
    - `output` unknown
    - `summary` object
    - `wb_user_id` string, nullable
    - `wb_username` string, nullable
    - `wb_run_id` string, nullable
    - `wb_run_step` integer, nullable
    - `wb_run_step_end` integer, nullable
    - `deleted_at` string, date-time, nullable
    - `expire_at` string, date-time, nullable: Expiration timestamp for this call. None = no TTL configured for the project (the row will not be expired).
    - `storage_size_bytes` integer, nullable
    - `total_storage_size_bytes` integer, nullable

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-16** `dd89fadfe4e4`: 5 info
  - the endpoint scheme security `HTTPBasic` was removed from the API
  - added the optional property `call/anyOf[subschema #1: CallSchema]/expire_at` to the response with the `200` status
  - added the optional property `call/anyOf[subschema #1: CallSchema]/wb_username` to the response with the `200` status
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - …1 more
- **2025-11-05** `f4a10b6a2e6d`: 1 info
  - added the optional property `call/anyOf[subschema #1: CallSchema]/wb_run_step_end` to the response with the `200` status

[Operation history](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api/changes/call/read/post.md)

---

[API](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api.md) - [All operations](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api/llms.txt) - [OpenAPI document](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api/revisions/f7643c49bf2e?raw)