PDF Tools
PDF Digital Signature PAdES and Trust Chain Validator
Audit PDF signatures, PAdES baseline evidence, certificate chains, DSS, revocation material and timestamps offline.
json· JSON resultOpen tool
Quick start
Call this tool from your code in three languages.
cURL
# 1) Request a presigned URL → returns { uploadUrl, storageKey }
curl -X POST 'https://api.elysiatools.com/api/upload/presign/pdf-digital-signature-pades-and-trust-chain-validator' \
-H 'Content-Type: application/json' \
-d '{"filename":"pdfFile.ext","contentType":"application/octet-stream","size":12345}'
# 2) PUT the file bytes directly to the presigned uploadUrl
curl -X PUT '<presigned uploadUrl>' \
--data-binary @/path/to/file.ext
# 3) Call the tool, passing the returned storageKey for each file field
curl -X POST 'https://api.elysiatools.com/en/api/tools/pdf-digital-signature-pades-and-trust-chain-validator' \
-F 'pdfFile=uploads/2026/01/01/your-tool-1700000000000-abc123.ext'