--- title: One Simple API credentials description: Documentation for One Simple API credentials. Use these credentials to authenticate One Simple API in n8n, a workflow automation platform. contentType: [integration, reference] --- # One Simple API credentials You can use these credentials to authenticate the following nodes: - [One Simple API](/08-0-0-Workflow/integrations/builtin/app-nodes/n8n-nodes-base.onesimpleapi.md) ## Prerequisites Create a [One Simple API](https://onesimpleapi.com/register) account. ## Supported authentication methods - API token ## Related resources Refer to [One Simple API's documentation](https://onesimpleapi.com/docs) for more information about the service. ## Using API token To configure this credential, you'll need: - An **API token**: Create a new API token on the [API Tokens](https://onesimpleapi.com/user/api-tokens) page. Be sure you select appropriate permissions for the token. You can also access the API Tokens page by selecting your **Profile > API Tokens**.