---
title: "Log Decision"
method: POST
path: "/v1/decisions/log"
tags: ["Decision Trail"]
---

# Log Decision

`POST /v1/decisions/log`

## Request

- Base URL: `https://api.grafomem.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.grafomem.com/v1/decisions/log`
- Auth: none declared

Log an AI inference decision with full provenance.

Records the query, retrieved facts, model used, output produced,
and optionally Ed25519-signs the decision record.

## Request body

- LogDecisionRequest: Request body for POST /v1/decisions/log.
  - `store_id` string, required
  - `session_id` string, nullable
  - `query` string, required
  - `retrieved_fact_refs` integer[]
  - `retrieved_contents` string[]
  - `retrieval_scores` number[]
  - `retrieval_options` object
  - `model_id` string, required
  - `prompt_template_hash` string, nullable
  - `parameters` object
  - `raw_output` string, required
  - `parsed_output` object, nullable
  - `output_tokens` integer, nullable
  - `latency_ms` integer, nullable
  - `signing_key` string, nullable
  - `parent_decision_id` string, nullable

## Response `200`

Successful Response

- DecisionResponse: Response model for a single decision record.
  - `decision_id` string, required
  - `tenant_id` string, required
  - `store_id` string, required
  - `session_id` string, nullable
  - `created_at` string, required
  - `query` string, required
  - `retrieved_fact_refs` integer[]
  - `retrieved_contents` string[]
  - `retrieval_scores` number[]
  - `retrieval_options` object
  - `model_id` string, required
  - `prompt_hash` string, nullable
  - `parameters` object
  - `raw_output` string, required
  - `parsed_output` object, nullable
  - `output_tokens` integer, nullable
  - `latency_ms` integer, nullable
  - `signature` string, nullable
  - `public_key` string, nullable
  - `parent_decision_id` string, nullable

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/grafomem/apis/grafomem-cloud.md) · [All operations](https://skmtc.dev/grafomem/apis/grafomem-cloud/llms.txt) · [OpenAPI document](https://skmtc.dev/grafomem/apis/grafomem-cloud/revisions/a472af705375?raw)