To integrate Pagar.me into your system, you must obtain the API key from your Pagar.me portal. This key consists of two fields: API key and Encryption key.
By following the instructions - it is only in Portuguese - on this Pagar.me tutorial Configurações | Como consultar a Chave Secreta e a Chave Pública, copy the keys and save it in a safe place. After that, apply it on the fields below during the configuration of the Pagar.me channel on Stays: