# Creating a Service Account
To use server-to-server interactions, **you need to request the creation of a service account by contacting the project manager responsible for your company** and sending the following information: company name, application name, name, email, and phone number of the person responsible for the application within the company. Separate accounts must be created for the Testing and Production environments.
Once these details are received, a service account will be created to authenticate your application, and we will send an email for you to generate the key pair for the account.
A service account credential includes a unique account name, a company identifier (Tenant ID), and at least one key pair (public and private). After generating the keys, you will only receive the private key (file .key.pem), as well as the payload that should be used to create the JWT. This payload will have the following format:
If you need the public key to configure it in your system, please contact the project manager responsible for your account. It is also possible to generate a public key using the following openssl command:
```
openssl req -x509 -new -nodes -sha256 -days 720 \
-key fileName.key.pem -out fileName.cert.pem
```
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