---
title: "Issue a single-use nonce for deployment-node proof-of-possession"
method: POST
path: "/v1/deployment/node/challenge"
tags: ["deployment"]
---

# Issue a single-use nonce for deployment-node proof-of-possession

`POST /v1/deployment/node/challenge`

## Request

- Base URL: `https://api.algenta.ai`
- URL: `https://api.algenta.ai/v1/deployment/node/challenge`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-API-Key`

## Request body

- DeploymentNodeChallengeRequest
  - `deployment_id` string, required
  - `node_thumbprint` string, required

## Response `200`

Successful Response

- DeploymentNodeChallengeResponse
  - `nonce` string, required

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/codna/apis/algenta-api.md) · [All operations](https://skmtc.dev/codna/apis/algenta-api/llms.txt) · [OpenAPI document](https://skmtc.dev/codna/apis/algenta-api/revisions/35d30f84a5df?raw)