# setPlaygroundTestKey

**Kind:** API Endpoint

**Source:** [`atloria-monorepo/apps/api/src/technical-docs/technical-docs.controller.ts`](https://github.com/sherkety/atloria/blob/main/atloria-monorepo/apps/api/src/technical-docs/technical-docs.controller.ts#L373)

Set the sandbox token pre-filled in the API playground (Phase 2.4); empty clears

## Endpoint

`PUT /technical-docs/:projectId/playground/test-key`

| Parameter | In | Type | Required | Description |
|---|---|---|---|---|
| `projectId` | path | `string` | ✓ | Project ID |

## Referenced By

- `TechnicalDocsController` (MODULE_DECLARES)