---
title: "Authenticated ping (wallet auth)"
method: GET
path: "/ping/v1"
tags: ["Health"]
---

# Authenticated ping (wallet auth)

`GET /ping/v1`

## Request

- Base URL: `https://api.run402.com`
- URL: `https://api.run402.com/ping/v1`
- Auth: API key in header `SIGN-IN-WITH-X`

Health probe that verifies wallet auth is working. Free within tier.

## Headers

- `SIGN-IN-WITH-X` string, required

## Response `200`

Ping accepted

- object
  - `status` string
  - `paid` boolean
  - `timestamp` string, date-time

## Other responses

- `401`: Missing or invalid authentication. Run402-originated JSON bodies use the canonical ErrorEnvelope.

---

[API](https://skmtc.dev/run402/apis/run402-api.md) · [All operations](https://skmtc.dev/run402/apis/run402-api/llms.txt) · [OpenAPI document](https://skmtc.dev/run402/apis/run402-api/revisions/893607557f50?raw)