---
title: "Nonce endpoint"
method: POST
path: "/nonce"
tags: ["Wallet"]
---

# Nonce endpoint

`POST /nonce`

Obtain a fresh c_nonce value for proof of possession

## Request body

- object — Empty request body

## Response `200`

Successful response with fresh nonce

- object
  - `c_nonce` string, required — Fresh nonce value

## Changes

- **2025-09-30** `bc177bfc5928` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/sphereon-opensource/apis/sphereon-oid4vci-api/changes/nonce/post.md)

---

[API](https://skmtc.dev/sphereon-opensource/apis/sphereon-oid4vci-api.md) · [All operations](https://skmtc.dev/sphereon-opensource/apis/sphereon-oid4vci-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/sphereon-opensource/sphereon-oid4vci-api/revisions/bc177bfc5928/schema)