---
title: "Create Conclusions"
method: POST
path: "/v3/workspaces/{workspace_id}/conclusions"
tags: ["conclusions"]
---

# Create Conclusions

`POST /v3/workspaces/{workspace_id}/conclusions`

Create one or more Conclusions.

Conclusions are logical certainties derived from interactions between Peers. They form the basis of a Peer's Representation.

## Path parameters

- `workspace_id` string, required

## Request body

- ConclusionBatchCreate — Schema for batch conclusion creation with a max of 100 conclusions.
  - `conclusions` ConclusionCreate[], required
    - `content` string, required
    - `observer_id` string, required — The peer making the conclusion
    - `observed_id` string, required — The peer the conclusion is about
    - `session_id` string, nullable — A session ID to store the conclusion in, if specified

## Response `201`

Successful Response

- Conclusion[]
  - `id` string, required
  - `content` string, required
  - `observer_id` string, required — The peer who made the conclusion
  - `observed_id` string, required — The peer the conclusion is about
  - `session_id` string, nullable
  - `level` 'explicit' | 'deductive' | 'inductive' | 'contradiction' — Reasoning level of the conclusion: 'explicit' (directly extracted from messages) or 'deductive'/'inductive'/'contradiction' (derived during dreaming).
  - `created_at` string, date-time, required

## Other responses

- `422` — Validation Error

## Changes

- **2026-07-02** (v3) `275f5c05ce97` — 1 info
  - added the optional property `items/level` to the response with the `201` status
- **2026-02-26** (v3) `0730be052dc9` — 2 info
  - 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
- **2026-01-26** (v3) `839ffcc7e8bb` — 2 breaking, 2 info
  - the response property `items/session_id` became optional for the status `201`
  - response property `items/session_id` list-of-types was widened by adding types `null` to media type `application/json` of response `201`
  - the request property `conclusions/items/session_id` became optional
  - request property `conclusions/items/session_id` list-of-types was widened by adding types `null` to media type `application/json`

[Change history](https://skmtc.dev/plastic-labs/apis/honcho-api/changes/v3/workspaces/:workspace_id/conclusions/post.md)

---

[API](https://skmtc.dev/plastic-labs/apis/honcho-api.md) · [All operations](https://skmtc.dev/plastic-labs/apis/honcho-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/plastic-labs/honcho-api/revisions/63b701d883c9/schema)