---
title: "Create Federation Memberships"
method: POST
path: "/v1/cvm/federations/{federation_id}/nodes"
tags: ["CVM Attestation"]
---

# Create Federation Memberships

`POST /v1/cvm/federations/{federation_id}/nodes`

Create federation membership records for node IDs.

## Path parameters

- `federation_id` string, required

## Headers

- `authorization` string, nullable

## Request body

- FederationMembershipCreateRequest — Request schema for federation membership create.
  - `node_ids` string[], required

## Response `201`

Successful Response

- FederationMembershipCreateResponse — Response schema for creating federation membership.
  - `federation_id` string, required
  - `saved_count` integer, required

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/flower/apis/superlink-api.md) · [All operations](https://skmtc.dev/flower/apis/superlink-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/flower/superlink-api/revisions/58e8351486b3/schema)