---
title: "POST /api/v2/pki/certificate-templates/{templateName}/sign-certificate"
method: POST
path: "/api/v2/pki/certificate-templates/{templateName}/sign-certificate"
tags: ["PKI Certificate Templates"]
deprecated: true
---

# POST /api/v2/pki/certificate-templates/{templateName}/sign-certificate

`POST /api/v2/pki/certificate-templates/{templateName}/sign-certificate`

## Request

- Base URL: `https://us.infisical.com`
- URL: `https://us.infisical.com/api/v2/pki/certificate-templates/{templateName}/sign-certificate`
- Auth: none declared

> **Deprecated.**

Deprecated. Use certificate applications instead: https://infisical.com/docs/documentation/platform/pki/applications/overview

## Path parameters

- `templateName` string, required

## Request body

- object
  - `projectId` string, required
  - `ttl` string, required
  - `csr` string, required

## Response `200`

Default Response

- object
  - `certificate` string, required
  - `issuingCaCertificate` string, required
  - `certificateChain` string, required
  - `serialNumber` string, required

## Other responses

- `400`: Default Response
- `401`: Default Response
- `403`: Default Response
- `404`: Default Response
- `422`: Default Response
- `500`: Default Response

## Changes

- **2026-09-26** `eb8ec9c10063`: 1 info
  - endpoint deprecated

[Operation history](https://skmtc.dev/infisical/apis/infisical-api/changes/api/v2/pki/certificate-templates/:templateName/sign-certificate/post.md)

---

[API](https://skmtc.dev/infisical/apis/infisical-api.md) - [All operations](https://skmtc.dev/infisical/apis/infisical-api/llms.txt) - [OpenAPI document](https://skmtc.dev/infisical/apis/infisical-api/revisions/7f940199c899?raw)