---
title: "Register External Node"
method: POST
path: "/succession/registrar/nodes"
tags: ["registrar"]
---

# Register External Node

`POST /succession/registrar/nodes`

## Request

- Base URL: `https://cathedral-ai.com` (the document declares no server; this is the origin it was published from)
- URL: `https://cathedral-ai.com/succession/registrar/nodes`
- Auth: none declared. Required headers: `authorization`

Admin. Register an external registrar node by public key.
Once registered, the node can submit signatures via POST /succession/witness/submit/{node_id}.
Requires CATHEDRAL_ADMIN_KEY.

## Headers

- `authorization` string, required

## Request body

- ExternalNodeRequest
  - `node_id` string, required
  - `name` string, required
  - `description` string, nullable
  - `pubkey_hex` string, required

## Response `201`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/cathedral-ai/apis/cathedral-memory-service.md) · [All operations](https://skmtc.dev/cathedral-ai/apis/cathedral-memory-service/llms.txt) · [OpenAPI document](https://skmtc.dev/cathedral-ai/apis/cathedral-memory-service/revisions/e40fefc11dcf?raw)