---
title: "Trusted FreeSign CA certificate by fingerprint"
method: GET
path: "/.well-known/free-sign-signing-ca/{sha256}.pem"
---

# Trusted FreeSign CA certificate by fingerprint

`GET /.well-known/free-sign-signing-ca/{sha256}.pem`

## Request

- Base URL: `https://free-sign.com`
- URL: `https://free-sign.com/.well-known/free-sign-signing-ca/{sha256}.pem`
- Auth: none declared

## Path parameters

- `sha256` string, required

## Response `200`

CA certificate (PEM).

## Other responses

- `404`: No trusted CA with this fingerprint.

---

[API](https://skmtc.dev/free-sign/apis/freesign-free-e-signature-api.md) · [All operations](https://skmtc.dev/free-sign/apis/freesign-free-e-signature-api/llms.txt) · [OpenAPI document](https://skmtc.dev/free-sign/apis/freesign-free-e-signature-api/revisions/5d8e9854ab85?raw)