---
title: "Op Read"
method: GET
path: "/v2/{entity}/{project}/ops/{object_id}/versions/{digest}"
tags: ["Ops"]
---

# Op Read

`GET /v2/{entity}/{project}/ops/{object_id}/versions/{digest}`

## 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/v2/{entity}/{project}/ops/{object_id}/versions/{digest}`
- Auth: none declared

Get an op object.

## Path parameters

- `entity` string, required
- `project` string, required
- `object_id` string, required
- `digest` string, required

## Query parameters

- `eager` boolean: Whether to eagerly load the op code

## Response `200`

Successful Response

- OpReadRes: Response model for reading an Op object. The code field contains the actual source code of the op.
  - `object_id` string, required: The op ID
  - `digest` string, required: The digest of the op
  - `version_index` integer, required: The version index of this op
  - `created_at` string, date-time, required: When this op was created
  - `code` string, required: The actual op source code

## Other responses

- `422`: Validation Error

## Changes

- **2026-10-16** `dd89fadfe4e4`: 3 info
  - the endpoint scheme security `HTTPBasic` was removed from the API
  - added the optional property `detail/items/ctx` to the response with the `422` status
  - added the optional property `detail/items/input` to the response with the `422` status
- **2026-02-02** `56745769989b`: 1 info
  - endpoint added
- **2026-01-07** `3758bf263a5e`: 1 breaking
  - api path removed without deprecation
- **2026-01-07** `d6e39f7c717d`: 2 info
  - api operation id `op_read` removed and replaced with `op_read_v2__entity___project__ops__object_id__versions__digest__get`
  - added the new optional `query` request parameter `eager`
- **2025-11-14** `e444bf379e61`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/wandb/apis/weights-biases-weave-stainless-api/changes/v2/:entity/:project/ops/:object_id/versions/:digest/get.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)