Caption Instruction Structure ============================= A ``caption instruction`` is the payload sent to the Stamp REST API do define a video overlay element, such as a text, image or ticker. You can find a collection of useful examples for start in the :doc:`Examples ` section. The REST API of Stamp including the structure of caption instructions is documented using OpenAPI specification using Swagger. You can find the explorable, interactive API documentation on the below link. Scroll down to the "Schemas" section to explore the structures. http://streamtoolbox.com/swagger-ui/?url=http://streamtoolbox.com/api-docs/ams-stamp-2.0.0.json