# bytedance/seedream-4.5/text-to-image > ByteDance Seedream 4.5 is a next-gen text-to-image model specialized for typography, featuring crisper text rendering and enhanced prompt adherence. Capable of up to 4K output for posters and brand visuals, it delivers top-tier performance and affordable pricing with no cold starts. ## Overview - **Endpoint**: `https://api.shortapi.ai/api/v1/job/create` - **Model ID**: `bytedance/seedream-4.5/text-to-image` - **Category**: text-to-image - **Kind**: inference ## Pricing Your request will cost $0.038 per image. For more details, please check our pricing page. ## API Information This model can be used via our HTTP API or more conveniently via our client libraries. See the input and output schema below, as well as the usage examples. ### Input Schema The API accepts the following input parameters: - **`prompt`** (`string`, _required_): Text prompt - Examples: "An action shot of a black lab swimming..." - **`num_images`** (`int`, _optional_): The number of images to generate - Default: `1` - Options: "1", "2", "3", "4" - **`aspect_ratio`** (`string`, _required_): The aspect ratio of the generated image - Options: "1:1", "9:16", "16:9", "4:3", "3:4", "3:2", "2:3", "21:9" ### Output Schema The API returns a JSON response with a `job_id` for tracking the request status. **Create Job Response:** ```json { "code": 0, "data": { "amount": "0.02", "job_id": "" } } ``` **Query Job Result (when status is 2, meaning succeeded):** ```json { "code": 0, "data": { "status": 2, "result": { "images": [{ "url": "https://..." }] } } } ``` ## Use Example To use this model, make an HTTP POST request to the API endpoint, then poll for results using the returned `job_id`. ### Bash (cURL) ```bash # Step 1: Create a job response=$(curl --request POST \ --url https://api.shortapi.ai/api/v1/job/create \ --header "Authorization: Bearer $SHORTAPI_KEY" \ --header "Content-Type: application/json" \ --data '{ "model": "bytedance/seedream-4.5/text-to-image", "args": { "prompt": "A thick impasto oil painting style depicts the Little Prince sitting on a colorful little planet, with a red rose beside him. He wears a yellow scarf and gazes at a dreamy starry sky filled with blue swirling nebulae, golden stars, and yellow planets. The painting features vibrant and bright colors, with thick, textured brushstrokes, creating a whimsical and heartwarming cosmic fantasy scene.", "aspect_ratio": "16:9" }, "callback_url": "CALLBACK_URL" }') JOB_ID=$(echo "$response" | grep -o '"job_id": *"[^"]*"' | sed 's/"job_id": *//; s/"//g') # Step 2: Poll for results curl --request GET \ --url "https://api.shortapi.ai/api/v1/job/query?id=$JOB_ID" \ --header "Authorization: Bearer $SHORTAPI_KEY" ``` ### JavaScript (Fetch API) ```javascript // Step 1: Create a job const response = await fetch(`https://api.shortapi.ai/api/v1/job/create`, { method: "POST", headers: { "Authorization": `Bearer ${SHORTAPI_KEY}`, "Content-Type": "application/json" }, body: JSON.stringify({ "model": "bytedance/seedream-4.5/text-to-image", "args": { "prompt": "A thick impasto oil painting style depicts the Little Prince sitting on a colorful little planet, with a red rose beside him. He wears a yellow scarf and gazes at a dreamy starry sky filled with blue swirling nebulae, golden stars, and yellow planets. The painting features vibrant and bright colors, with thick, textured brushstrokes, creating a whimsical and heartwarming cosmic fantasy scene.", "aspect_ratio": "16:9" }, "callback_url": "CALLBACK_URL" }) }); const data = await response.json(); const JOB_ID = data.job_id; // Step 2: Poll for results const result = await fetch(`https://api.shortapi.ai/api/v1/job/query?id=${JOB_ID}`, { method: "GET", headers: { "Authorization": `Bearer ${SHORTAPI_KEY}` } }); const resultData = await result.json(); console.log(resultData); ``` ### Python (Requests) ```python import requests # Step 1: Create a job url = "https://api.shortapi.ai/api/v1/job/create" payload = { "model": "bytedance/seedream-4.5/text-to-image", "args": { "prompt": "A thick impasto oil painting style depicts the Little Prince sitting on a colorful little planet, with a red rose beside him. He wears a yellow scarf and gazes at a dreamy starry sky filled with blue swirling nebulae, golden stars, and yellow planets. The painting features vibrant and bright colors, with thick, textured brushstrokes, creating a whimsical and heartwarming cosmic fantasy scene.", "aspect_ratio": "16:9" }, "callback_url": "CALLBACK_URL" } headers = { "Authorization": f"Bearer {SHORTAPI_KEY}", "Content-Type": "application/json" } response = requests.post(url, headers=headers, json=payload) data = response.json() JOB_ID = data.get("job_id") # Step 2: Poll for results result_url = f"https://api.shortapi.ai/api/v1/job/query?id={JOB_ID}" result = requests.get(result_url, headers={"Authorization": f"Bearer {SHORTAPI_KEY}"}) print(result.json()) ```