2026-07-23
- Added Office formats (
.docx, .doc, .pptx, .ppt, .xlsx, .xls) upload support — routed through Docling preprocessing pipeline
- Added HWP formats (
.hwp, .hwpx) upload support — converted via pyhwp
- Added
docling_refinement form parameter to POST /jobs/upload — enables LLM layout refinement for PDF/Office/HWP at 3 md/page
- Added Markdown (
.md) file upload support — text content is used directly as the result at no cost (0 credits)
- Added
PATCH /jobs/{id}/title endpoint to rename a job's display title in any state
- Added
GET /account/subscription endpoint to query subscription plan, status, and monthly usage
- Corrected DPI default to 300 (was incorrectly documented as 150)
- Corrected pricing table to milli-USD (was stale "P" unit)
2026-07
- Migrated billing system from KRW points to USD credits (milli-USD)
- Removed Toss payment integration — Paddle is now the sole payment provider
- Added free-amount credit purchasing ($5–$500 USD) with auto-recharge support
- Added
ocr_model parameter (basic / premium) to upload endpoint
- Added
ocr_engine parameter (tesseract / easyocr / rapidocr) to upload endpoint
- Split XLSX output into
xlsx_basic and xlsx_advanced formats
- Added
POST /jobs/{id}/action endpoint for document parse retry/refund
- Added
POST /jobs/{id}/xlsx-advanced-action endpoint for XLSX advanced retry/refund
- Basic model: 100 free pages per day
- Increased max pages to 10,000 per file
- Account endpoints now accept session tokens in addition to API keys
2026-06-27
- Launched PROOF API v1 documentation site
- Added support for audio and video file processing
- Added XLSX, DOCX, PPTX conversion endpoints
- Added API key rotation endpoint
2026-01-15
- Initial API v1 release
- Endpoints: account, keys, jobs (upload, confirm, status, download)
- Point-based billing system
- Vision and hybrid pipelines