--- updatedAt: 2025-06-11T00:22:11.000Z agentTools: projectIndex: https://developer.lifen.fr/llms.txt --- # Quickstart ## Getting API keys In order to test our APIs, you need to retrieve test credentials. To do this, contact your account manager at Lifen. It will send you the API keys you need to get started. Lifen offers [Machine To Machine Communications](https://developer.lifen.fr/docs/machine-to-machine-communications) authentication. ## Postman collection To help you test our API quickly and easily, you can use this Postman collection and try the first scenario "Getting Started" : [![Run in Postman](https://run.pstmn.io/button.svg)](https://god.gw.postman.com/run-collection/23686242-5c6cb953-ddcc-4988-81b4-c716481c43fd?action=collection%2Ffork\&collection-url=entityId%3D23686242-5c6cb953-ddcc-4988-81b4-c716481c43fd%26entityType%3Dcollection%26workspaceId%3D5dc3360e-b607-4485-91b6-a69cf8c101f3#?env%5BEnvironnement%20Client%5D=W3sia2V5IjoiY2xpZW50X2lkIiwidmFsdWUiOiJ0ZXN0X2NsaWVudF9pZCIsInR5cGUiOiJkZWZhdWx0IiwiZW5hYmxlZCI6dHJ1ZX0seyJrZXkiOiJjbGllbnRfc2VjcmV0IiwidmFsdWUiOiJ0ZXN0X2NsaWVudF9zZWNyZXQiLCJ0eXBlIjoiZGVmYXVsdCIsImVuYWJsZWQiOnRydWV9LHsia2V5IjoiZGF0YWJhc2VfcmVmZXJlbmNlIiwidmFsdWUiOiJ0ZXN0X2RhdGFiYXNlX3JlZmVyZW5jZSIsInR5cGUiOiJkZWZhdWx0IiwiZW5hYmxlZCI6dHJ1ZX1d) > 📘 > > Ask to your account manager at Lifen to get your `client_id`, `client_secret` and `database_reference`to start using the Postman collection\`\` To configure your collection, use the "Environnement Client" panel to add each variable required to get a token