Use our sandbox environment for testing purposes. This environment can help you establish connection to Octopos API, create and retrieve fiscal receipts, etc.
Bellow is full working example of how to create fiscal receipt and retrieve textual representation of fiscal receipt. This code will create new product if it doesn’t exist. Product code is identifier for creating product. Use prefix for setting ExternalId because other clients may use this environment.
For detailed description of all fields visit create receipt page