# AetherLab Agent Kit > Document conversion APIs for agent workflows. Convert HTML slides, Markdown, PDF, and spreadsheets into production-ready files through browser tests or paid API calls. Base URL: https://agent.aetherlab.me Product URL: https://agent.aetherlab.me/kit/ API docs: https://agent.aetherlab.me/kit/docs/ Support: contact@aetherlab.me ## API Authentication uses the `sk` header with a secret key generated after sign-in. All convert endpoints accept JSON with public source URLs: ```json {"files":["https://example.com/input.pdf"]} ``` All convert endpoints return: ```json { "jobId": "uuid", "feature": "pdf_md", "urls": ["https://agent.aetherlab.me/converted/YYYY-MM-DD/file.md"] } ``` For PDF to Markdown, `urls` can contain the Markdown file plus extracted image files. ## Endpoints - `POST https://agent.aetherlab.me/v1/convert/pdf_md` - Convert one public text-based PDF URL to Markdown and extracted images. - `POST https://agent.aetherlab.me/v1/convert/html_pdf` - Convert 1-30 public HTML slide URLs to PDF. - `POST https://agent.aetherlab.me/v1/convert/html_pptx` - Convert 1-30 public HTML slide URLs to PPTX. - `POST https://agent.aetherlab.me/v1/convert/md_docx` - Convert one public Markdown, TXT, or MD URL to DOCX. - `POST https://agent.aetherlab.me/v1/convert/spreadsheet_json` - Convert one public XLSX, XLS, CSV, or TSV URL to JSON. ## Important Pages - Overview: https://agent.aetherlab.me/kit/ - PDF to Markdown API: https://agent.aetherlab.me/kit/docs/pdf-to-markdown - HTML to PDF API: https://agent.aetherlab.me/kit/docs/html-to-pdf - HTML to PPTX API: https://agent.aetherlab.me/kit/docs/html-to-pptx - Markdown to DOCX API: https://agent.aetherlab.me/kit/docs/markdown-to-docx - Spreadsheet to JSON API: https://agent.aetherlab.me/kit/docs/spreadsheet-to-json ## Positioning AetherLab Agent Kit is built for developers and AI agents that need deterministic document conversion results. Each request consumes one credit. Paid plans unlock API access and higher concurrency.