---
title: "Get Problems"
method: GET
path: "/problem/all"
---

# Get Problems

`GET /problem/all`

Get information on all the current user's problems.

Args:
    user (Annotated[User, Depends): the current user.

Returns:
    list[ProblemInfoSmall]: a list of information on all the problems.

## Response `200`

Successful Response

- ProblemInfoSmall[]
  - `name` string, required
  - `description` string, required
  - `is_convex` boolean, nullable, required
  - `is_linear` boolean, nullable, required
  - `is_twice_differentiable` boolean, nullable, required
  - `scenario_keys` string[], nullable, required
  - `variable_domain` 'continuous' | 'binary' | 'integer' | 'mixed', required — An enumerator for the possible variable type domains of a problem.
  - `id` integer, required
  - `user_id` integer, required

## Changes

- **2025-05-20** `bbcc40488a72` — 1 breaking, 1 info
  - removed the required property `items/problem_metadata` from the response with the `200` status
  - the endpoint scheme security `APIKeyCookie` was removed from the API

[Change history](https://skmtc.dev/industrial-optimization-group/apis/desdeo-fast-api/changes/problem/all/get.md)

---

[API](https://skmtc.dev/industrial-optimization-group/apis/desdeo-fast-api.md) · [All operations](https://skmtc.dev/industrial-optimization-group/apis/desdeo-fast-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/industrial-optimization-group/desdeo-fast-api/revisions/bbcc40488a72/schema)