Schedule social media posts from local files using UploadToURL, OpenAI, and Buffer

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Schedule social media posts from local files using UploadToURL, OpenAI, and Buffer Marketing teams often have design files sitting locally — campaign images, product videos, event graphics — that need to be published on social media. The usual process means downloading files, switching apps, uploading to each platform separately, and writing captions by hand. This workflow removes those steps. Send a file link or binary upload to the webhook. UploadToURL hosts it instantly and returns a clean