Verify PDF Signature API
Validate digital signatures — certificate chain, signer, timestamp and whether the document changed after signing.
Environment
| Environment | Base URL |
|---|---|
| Production | https://api.sadafiles.com/v1 |
There is one environment and no sandbox, so every request here is real and counts toward your limits.
Request
POSThttps://api.sadafiles.com/v1/tools/verify-pdf-signature
- Content type
- multipart/form-data
- Auth
- X-API-Key with tools:run
- Accepts
- Files per request
- 1
- Largest file
- 2 GB
- Job timeout
- 300 s
- Rate weight
- 2 units
Response
| Status | Body | When |
|---|---|---|
201 | json | The run finished within 60 seconds |
202 | Job summary JSON | Still running; poll the job |
4xx, 5xx | Error JSON | See error codes |
A file response carries X-Sada-Job and X-Sada-Expires-At. For long work, post to /v1/tools/verify-pdf-signature/jobs instead. See jobs and webhooks.
Also runs on the device
In the web tool and apps, Verify PDF Signature can run locally with no upload. The API always processes on the server.
Try it yourself!
Pick a file, set the options and run a real request with your key. The code follows your changes.