---
title: "Solve Solutions"
method: POST
path: "/method/nimbus/solve"
---

# Solve Solutions

`POST /method/nimbus/solve`

Solve the problem using the NIMBUS method.

## Request body

- NIMBUSClassificationRequest — Model of the request to the nimbus method.
  - `problem_id` integer, required
  - `session_id` integer, nullable
  - `parent_state_id` integer, nullable
  - `scalarization_options` object, nullable
  - `solver` string, nullable
  - `solver_options` object, nullable
  - `preference` ReferencePoint — Model for representing a reference point type of preference.
    - `preference_type` 'reference_point'
    - `aspiration_levels` object, required
  - `current_objectives` object, required — The objectives used for iteration.
  - `num_desired` integer, nullable

## Response `200`

Successful Response

- NIMBUSClassificationResponse — The response from NIMBUS classification endpoint.
  - `state_id` integer, nullable, required — The newly created state id
  - `previous_preference` ReferencePoint, required — Model for representing a reference point type of preference.
    - `preference_type` 'reference_point'
    - `aspiration_levels` object, required
  - `previous_objectives` object, required — The previous solutions objectives used for iteration.
  - `current_solutions` SolutionReferenceResponse[], required — The solutions from the current iteration of nimbus.
    - `name` string, nullable, required
    - `solution_index` integer, nullable, required
    - `state_id` integer, required
    - `objective_values` object, nullable, required
    - `variable_values` object, nullable, required
  - `saved_solutions` SolutionReferenceResponse[], required — The best candidate solutions saved by the decision maker.
    - `name` string, nullable, required
    - `solution_index` integer, nullable, required
    - `state_id` integer, required
    - `objective_values` object, nullable, required
    - `variable_values` object, nullable, required
  - `all_solutions` SolutionReferenceResponse[], required — All solutions generated by NIMBUS in all iterations.
    - `name` string, nullable, required
    - `solution_index` integer, nullable, required
    - `state_id` integer, required
    - `objective_values` object, nullable, required
    - `variable_values` object, nullable, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/industrial-optimization-group/apis/desdeo-fast-api.md) · [All operations](https://skmtc.net/industrial-optimization-group/apis/desdeo-fast-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/industrial-optimization-group/desdeo-fast-api/versions/c24fa4e23380/schema)