API documentation

Document conversion APIs for agent workflows.

AetherLab Agent Kit exposes a small set of paid conversion endpoints. Every convert request returns jobId, feature, and urls. The urls array contains one or more converted file URLs.

PDF

PDF to Markdown API

Convert one text-based PDF to Markdown. Extracted figures are returned as additional image URLs.

HTML

HTML to PDF API

Convert 1-30 public HTML slide URLs into a PDF in request order.

PPTX

HTML to PPTX API

Convert HTML slides into an editable PowerPoint deck with screenshot fallback.

DOCX

Markdown to DOCX API

Convert one Markdown, MD, TXT, or text URL into a structured Word document.

JSON

Spreadsheet to JSON API

Convert one XLSX, XLS, CSV, or TSV file URL into normalized JSON.

Shared response format

Every conversion endpoint returns the same top-level shape. The urls value is always an array.

{
  "jobId": "d245e257-a179-48c5-bf0a-92a391977384",
  "feature": "pdf_md",
  "urls": [
    "https://agent.aetherlab.me/converted/2026-07-16/report-3bdce9696dac89bd531aedc65c45db3c.md",
    "https://agent.aetherlab.me/converted/2026-07-16/report-3bdce9696dac89bd531aedc65c45db3c-IMG1.png"
  ]
}