Generate Advertisements Via API

The only thing you need is some JSON

{
    "timeline": {
        "background": "#1c1c1c",
        "soundtrack": {
            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/templates/advertisement/funny-pets.mp3",
            "effect": "fadeOut"
        },
        "fonts": [
            {
                "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/fonts/SecularOne-Regular.ttf"
            }
        ],
        "tracks": [
            {
                "clips": [
                    {
                        "asset": {
                            "type": "image",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/templates/advertisement/petstore-logo.png"
                        },
                        "start": 0.5,
                        "length": 2.5,
                        "fit": "none",
                        "transition": {
                            "in": "fade",
                            "out": "fade"
                        },
                        "position": "center"
                    },
                    {
                        "asset": {
                            "type": "image",
                            "src": "https://shotstack-assets.s3.ap-southeast-2.amazonaws.com/templates/advertisement/petfood1.png"
                        },
                        "start": 3,
                        "length": 5,
                        "fit": "none",
                        "transition": {
                            "in": "fade",
                            "out": "fade"
                        },
                        "position": "left"
                    },
                    {
                        "asset": {
                            "type": "html",
                            "html": "<p>BULLY STICKS</p>",
                            "css": "p {font-family: \"Secular One\"; color: #FFFFFF; font-size: 75px; font-weight: 600; text-align: left;}",
                            "width": 600,
                            "height": 150
                        },
                        "start": 4,
                        "length": 4,
                        "offset": {
                            "x": 0.18,
                            "y": 0.26
                        },
                        "transition": {
                            "in": "carouselLeft",
                            "out": "fade"
                        }
                    },
                    {
                        "asset": {
                            "type": "html",
                            "html": "<p>Nutriyum bully sticks contains reduced calories to help your dog achieve and maintain a healthy weight, as well as higher levels of fibre to promote feelings of fullness between meals.</p>",
                            "css": "p {font-family: \"Secular One\"; color: #FFFFFF; font-size: 24px; font-weight: 600; text-align: left;}",
                            "width": 600,
                            "height": 250
                        },
                        "start": 4.2,
                        "length": 3.8,
                        "offset": {
                            "x": 0.18,
                            "y": 0
                        },
                        "transition": {
                            "in": "carouselLeft",
                            "out": "fade"
                        }
                    },
                    {
                        "asset": {
                            "type": "html",
                            "html": "<p>$19.99</p>",
                            "css": "p {font-family: \"Secular One\"; color: #FFFFFF; font-size: 60px; font-weight: 600; text-align: left;}",
                            "width": 600,
                            "height": 100
                        },
                        "start": 4.4,
                        "length": 3.6,
                        "offset": {
                            "x": 0.18,
                            "y": -0.25
                        },
                        "transition": {
                            "in": "carouselLeft",
                            "out": "fade"
                        }
                    }
                ]
            },
            {
                "clips": [
                    {
                        "asset": {
                            "type": "image",
                            "src": "https://shotstack-assets.s3.ap-southeast-2.amazonaws.com/templates/advertisement/petfood2.png"
                        },
                        "start": 8,
                        "length": 4,
                        "fit": "none",
                        "transition": {
                            "in": "fade"
                        },
                        "position": "right"
                    },
                    {
                        "asset": {
                            "type": "html",
                            "html": "<p>DENTAL STICKS</p>",
                            "css": "p {font-family: \"Secular One\"; color: #FFFFFF; font-size: 75px; font-weight: 600; text-align: left;}",
                            "width": 600,
                            "height": 150
                        },
                        "start": 8,
                        "length": 4,
                        "offset": {
                            "x": -0.18,
                            "y": 0.26
                        },
                        "transition": {
                            "in": "carouselRight"
                        }
                    },
                    {
                        "asset": {
                            "type": "html",
                            "html": "<p>Nutriyum Dental Sticks are delicious chew treats that contain RF2, an ingredient that fights against plaque, dental tartar, and bad breath in pets.</p>",
                            "css": "p {font-family: \"Secular One\"; color: #FFFFFF; font-size: 24px; font-weight: 600; text-align: left;}",
                            "width": 600,
                            "height": 250
                        },
                        "start": 8.2,
                        "length": 3.8,
                        "offset": {
                            "x": -0.18,
                            "y": 0
                        },
                        "transition": {
                            "in": "carouselRight"
                        }
                    },
                    {
                        "asset": {
                            "type": "html",
                            "html": "<p>$25.00</p>",
                            "css": "p {font-family: \"Secular One\"; color: #FFFFFF; font-size: 60px; font-weight: 600; text-align: left;}",
                            "width": 600,
                            "height": 100
                        },
                        "start": 8.4,
                        "length": 3.6,
                        "offset": {
                            "x": -0.18,
                            "y": -0.25
                        },
                        "transition": {
                            "in": "carouselRight"
                        }
                    }
                ]
            },
            {
                "clips": [
                    {
                        "asset": {
                            "type": "video",
                            "src": "https://shotstack-assets.s3-ap-southeast-2.amazonaws.com/templates/advertisement/template.mp4"
                        },
                        "start": 0,
                        "length": 12
                    }
                ]
            }
        ]
    },
    "output": {
        "format": "mp4",
        "resolution": "hd"
    }
}