---
title: "Get the universe's unique key"
method: GET
path: "/universes/unique-key"
tags: ["Universe"]
---

# Get the universe's unique key

`GET /universes/unique-key`

Get the current universe unique key for contacts. It can be either the email, the cellphone or a custom field.

## Response `200`

Universe unique_key retrieval is successful.

## Other responses

- `400` — The request validation failed.
- `401` — Authentication failed.
- `403` — Forbidden.

---

[API](https://skmtc.net/splio/apis/splio-customer-platform.md) · [All operations](https://skmtc.net/splio/apis/splio-customer-platform/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/splio/splio-customer-platform/revisions/2ff4735f665c/schema)