---
title: "How to mint a trial key by signing a request"
method: GET
path: "/api/v1/agent-key"
tags: ["Credentials"]
---

# How to mint a trial key by signing a request

`GET /api/v1/agent-key`

## Request

- Base URL: `https://data.useplinth.com`
- URL: `https://data.useplinth.com/api/v1/agent-key`
- Auth: none required

Returns the signing requirements, the tier ladder and a worked example request. No key, no account, no signature needed to read this.

## Response `200`

How to get a key: the keyless challenge route, the signing alternative, and the tier ladder.

- object: Human- and machine-readable instructions. `what_this_is` leads with the route that needs no credential; `signing_instead` is the higher-tier alternative; `tiers` is the full ladder.

---

[API](https://skmtc.dev/useplinth/apis/plinth-grants-api.md) · [All operations](https://skmtc.dev/useplinth/apis/plinth-grants-api/llms.txt) · [OpenAPI document](https://skmtc.dev/useplinth/apis/plinth-grants-api/revisions/15273cd72ecf?raw)