---
title: "Update soul"
method: PUT
path: "/v1/superagents/{agent_id}/soul"
tags: ["SuperAgent Config"]
---

# Update soul

`PUT /v1/superagents/{agent_id}/soul`

## Request

- Base URL: `https://api.gigabrain.gg`
- URL: `https://api.gigabrain.gg/v1/superagents/{agent_id}/soul`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/gigabraingg/apis/gigabrain-api/docs/v1/superagents/:agent_id/soul/put.ts> (a function with typed inputs; its response is checked against the schema)

Replace the agent's soul.md — its core identity and instructions.

## Path parameters

- `agent_id` string, uuid, required

## Request body

- object
  - `soul_md` string, required: The new soul.md content

## Response `200`

Soul updated

## Other responses

- `401`: Invalid or revoked API key
- `404`: Resource not found
- `429`: Rate limit exceeded (60 requests per minute)

## Changes

- **2026-03-15** `bb4070b30d92`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/gigabraingg/apis/gigabrain-api/changes/v1/superagents/:agent_id/soul/put.md)

---

[API](https://skmtc.dev/gigabraingg/apis/gigabrain-api.md) - [All operations](https://skmtc.dev/gigabraingg/apis/gigabrain-api/llms.txt) - [OpenAPI document](https://skmtc.dev/gigabraingg/apis/gigabrain-api/revisions/bb4070b30d92?raw)