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This innovative solution transforms online shopping into an immersive experience, allowing customers to virtually try on headwear with unmatched precision and realism.\nFrom instant style discovery to true-to-life visualization, our AR technology ensures every hat and headband looks and feels authentic. Helping shoppers find their perfect fit and style before they buy. Elevate engagement, boost confidence, and redefine the way customers interact with your products.\n\n## Integration Guide\nThis guide walks you through:\n\n*   **Endpoint:** `/s2s/v2.0/task/hat`\n*   **Authentication:** All requests require an `Authorization: Bearer YOUR_API_KEY`\n*   **Workflow:**\n    1.  **Prepare a selfie image:** Uploading an image or providing a valid image URL of yourself as the virtual try-on target.\n    1.  **Prepare a hat image:** Upload a hat product image or a photo of a person wearing hat.\n    1.  **Select a style and a gender:** Select a preferred style and the gender you wish to visualize.\n    1.  **Fire an AI task and Retrieve Task ID:** Capture the `task_id` from the response.\n    1.  **Poll Status (`GET`):** Use the `task_id` to check the status of the task. Continue polling until `task_status` is `\"success\"` or `\"error\"`.\n\n---\n\n* Authentication\n- Include your API key in the request header using **Bearer Token**:\n```\nAuthorization: Bearer YOUR_API_KEY\n```\nYou can find your API Key at https://yce.makeupar.com/api-console/en/api-keys/.\n\n---\n\n* AI Hat API Usage Guide\n\nThis guide explains how to upload images, prepare reference hat, and create virtual try-on tasks using the AI Hat API.\n\n***\n\n   * Step 1. Prepare a Selfie Image\n\nYou can:\n*   Upload a selfie image using the File API (`/s2s/v2.0/file`), or\n*   Provide a valid image URL.\n\n     * Step 1.1 Upload a File Using the File API\n\nUse the **File API** (`/s2s/v2.0/file`) to upload a target user image.\n\n**Image Requirements:**\n\n*   Upload a selfie photo.\n*   Ensure the photo clearly shows the upper body.\n*   Avoid backgrounds with multiple people or distracting objects.\n\n**Example Request:**\n\n```bash\ncurl --request POST \\\n  --url https://yce-api-01.makeupar.com/s2s/v2.0/file \\\n  --header 'Authorization: Bearer YOUR_API_KEY' \\\n  --header 'content-type: application/json' \\\n  --data '{\n    \"files\": [\n      {\n        \"content_type\": \"image/jpg\",\n        \"file_name\": \"selfie_photo_01_3dbd1b6683.jpg\",\n        \"file_size\": 547541\n      }\n    ]\n  }'\n```\n\n***\n\n     * Step 1.2. Retrieve File API Response\n\nThe response includes:\n\n*   `file_id` for creating an AI task.\n*   `requests.url` for uploading the actual image file.\n\n**Sample Response:**\n\n```json\n{\n  \"status\": 200,\n  \"data\": {\n    \"files\": [\n      {\n        \"content_type\": \"image/jpg\",\n        \"file_name\": \"selfie_photo_01_3dbd1b6683.jpg\",\n        \"file_id\": \"SaGaqpDgKwFrVBgMpQMA3HY0LeqdT9/13W5TOD8/u/FfjK3xgCQ+hRt9MJXBFaud\",\n        \"requests\": [\n          {\n            \"method\": \"PUT\",\n            \"url\": \"https://yce-us.s3-accelerate.amazonaws.com/demo/ttl30/...signature...\",\n            \"headers\": {\n              \"Content-Length\": \"547541\",\n              \"Content-Type\": \"image/jpg\"\n            }\n          }\n        ]\n      }\n    ]\n  }\n}\n```\n\n***\n\n     * Step 1.3. Upload Image to Provided URL\n\nUse the `requests.url` from the File API response to upload the image:\n\n```bash\ncurl --location --request PUT 'https://yce-us.s3-accelerate.amazonaws.com/demo/ttl30/...signature...' \\\n  --header 'Content-Type: image/jpg' \\\n  --header 'Content-Length: 547541' \\\n  --data-binary @'./selfie_photo_01_3dbd1b6683.jpg'\n```\n\n***\n\n   * Step 2. Prepare a Reference Hat Image\n\nYou can:\n\n*   Upload a hat image using the File API (`/s2s/v2.0/file`), or\n*   Provide a valid image URL.\n\n**Supported Hat Images:**\n\n*   A hat product image.\n*   A photo of a person wearing hat.\n\nRefer to **[File Specs and Errors](#section/overview/File-Specs-and-Errors)** for detailed specifications.\n\n***\n\n   * Step 3. Create an AI Task\n\nSelect a preferred style and the gender you wish to visualize.\nUse the **AI Task API** (`/s2s/v2.0/task/hat`) to create a virtual try-on task.\n\n**Parameters:**\n\n*   For the user image: `src_file_id` or `src_file_url`.\n*   For the hat image: `ref_file_id`, or `ref_file_url`.\n\n**Example Request:**\n\n```bash\ncurl --request POST \\\n  --url https://yce-api-01.makeupar.com/s2s/v2.0/task/hat \\\n  --header 'Authorization: Bearer YOUR_API_KEY' \\\n  --header 'content-type: application/json' \\\n  --data '{\n    \"src_file_url\": \"https://example.com/selfie.jpg\",\n    \"ref_file_url\": \"https://example.com/accessory.jpg\",\n    \"gender\": \"female\",\n    \"style\": \"random\"\n}'\n```\n\n**Sample Response:**\n\n```json\n{\n  \"status\": 200,\n  \"data\": {\n    \"task_id\": \"SaGaqpDgKwFrVBgMpQMA3HY0LeqdT9_13W5TOD8_u_GPi6NqQ3dhlmN-6ntFwhzT\"\n  }\n}\n```\n\n***\n\n   * Step 4. Poll for Task Result\n\nUse the task ID to check the status:\n\n```bash\ncurl --request GET \\\n  --url https://yce-api-01.makeupar.com/s2s/v2.0/task/hat/SaGaqpDgKwFrVBgMpQMA3HY0LeqdT9_13W5TOD8_u_GPi6NqQ3dhlmN-6ntFwhzT \\\n  --header 'Authorization: Bearer YOUR_API_KEY' \\\n  --header 'content-type: application/json'\n```\n\n***\n\n   * Step 5. Retrieve Result\n\nA successful response includes a download URL for the result image:\n\n```json\n{\n  \"status\": 200,\n  \"data\": {\n    \"error\": null,\n    \"results\": {\n      \"url\": \"https://yce-us.s3-accelerate.amazonaws.com/demo/ttl30/...signature...\"\n    },\n    \"task_status\": \"success\"\n  }\n}\n```\n\nInvalid API Key error response:\n\n```json\n{\n  \"status\": 401,\n  \"error\": \"Unauthorized\",\n  \"error_code\": \"InvalidAccessToken\"\n}\n```\n\n---\n\n## File Specs & Errors\n\n* AI Hat Virtual Try-On Specification\n\n   * Image Requirements\n\n| Type   | Minimum Resolution | Notes |\n| ------ | ------------------ | ----- |\n| Selfie | 512 × 512 | Face visible, head-to-chest preferred |\n| Hat  | 512 × 512 (product)<br>800 × 800 (worn) | Clear, unobstructed hat view |\n\n**Supported Hat Image**\n\n* Product Image Requirements\n    * Minimum resolution: 512 × 512 pixels\n    * Only one product per image\n    * The product should cover more than 25% of the image height\n\n![](https://bcw-media.s3.ap-northeast-1.amazonaws.com/strapi/assets/026_thumb_dca334af3c.jpg)\n\n* Worn Image Requirements\n    * Minimum resolution: 800 × 800 pixels\n    * Single Item Requirement: The model must wear exactly one item. Multiple items or accessories are not permitted.\n    * Coverage Ratio: The worn item must occupy more than 20% of the total image height. This ensures the item is clearly visible and prominent within the frame.\n\n![](https://bcw-media.s3.ap-northeast-1.amazonaws.com/strapi/assets/010_thumb_51490eebeb.jpg)\n\n**Supported Selfie View**\n\n* Recommended image resolution: at least 512 × 512 pixels.\n* Recommended face coverage: more than 15% of the image height.\n* Single Subject Requirement: The image must contain exactly one human subject. No additional people or partial figures are allowed.\n* Face Visibility: The subject's face must be fully visible without obstruction. Hair, accessories, or objects should not cover key facial features.\n* Framing: The image must include at least a head shot, covering the area from the top of the head to the chest. A half-body shot (head to waist) is preferred for optimal analysis.\n\n![](https://bcw-media.s3.ap-northeast-1.amazonaws.com/strapi/assets/lashana_lynch_thumb_7a900b811e.jpg)\n\n**Try-on Styles**\n\n* There are five predefined styles for generating the virtual try-on output: \"style_sporty_casual\" \"style_urban_fashion\" \"style_vacation_casual\" \"style_warm_cozy\" and \"style_bohemian\". You can specify this style parameter when creating an AI task or allow the system to select a style at random by default.\n\n![style_vacation_casual](https://bcw-media.s3.ap-northeast-1.amazonaws.com/strapi/assets/5f42385b_6aef_44cd_b576_2ec10e31305d_824cc2019b.jpg)\n\n---\n\n* Supported Formats & Dimensions\n\n| AI Feature | Supported Dimensions | Supported File Size | Supported Formats |\n|  ----  | ----  | ----  | ----  |\n| AI Hat Virtual Try-On | Input: long side <= 4096 <br>Output: 896 x 1152 | < 10MB | jpg/jpeg/png/heic |\n\n* Error Codes\n\n| Error Code | Description |\n| ------------------------------ | -------------------------------------------- |\n| error\\_download\\_image         | Failed to download source or reference image |\n| error\\_inference               | Inference pipeline error                     |\n| error\\_no\\_face                | No face detected in source image             |\n| error\\_nsfw\\_content\\_detected | NSFW content detected in result              |\n| exceed\\_max\\_filesize          | File size exceeds 10 MB                      |\n| invalid\\_parameter             | Invalid gender or style value                |\n| unknown\\_internal\\_error       | Other internal errors                        |\n\n\n* Environment & Dependency\n\n| Sample Code Language / Tool | Recommended Runtime Versions |\n|---|---|\n| cURL | - bash >= 3.2</br>   - curl >= 7.58 (modern TLS/HTTP support)</br>   - jquery >= 1.6 (robust JSON parsing) |\n| Node.js (JavaScript) | Node >= 18 (for global fetch) |\n| JavaScript | - Chrome / Edge >= 80</br>   - Firefox >= 74</br>   - Safari >= 13.1 |\n| PHP | PHP >= 7.4 (for modern TLS/compat), ext-curl (recommended) or allow_url_fopen=On + ext-openssl, ext-json |\n| Python | Python >= 3.10 (for f-strings), requests >= 2.20.0 |\n| Java | Java 11+ (for HttpClient), Jackson Databind >= 2.12.0 |\n\n---\n\n## Unit Consumption\n\n| AI Feature | Unit Consumed |\n|---|---|\n| AI Hat Virtual Try-On V2.0 | 2 |\n\n---\n"}},"baseSlug":"/reference/ai_hat","routesMapping":{}}