> ## Documentation Index
> Fetch the complete documentation index at: https://infisical.com/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Sign Data

> Sign a pre-hashed digest with a code signing signer



## OpenAPI

````yaml POST /api/v1/cert-manager/signers/{signerId}/sign
openapi: 3.0.3
info:
  title: Infisical API
  description: List of all available APIs that can be consumed
  version: 0.0.1
servers:
  - url: https://us.infisical.com
    description: Production server (US)
  - url: https://eu.infisical.com
    description: Production server (EU)
  - url: http://localhost:8080
    description: Local server
security: []
paths:
  /api/v1/cert-manager/signers/{signerId}/sign:
    post:
      tags:
        - PKI Signers
      description: Sign a pre-hashed digest with a code signing signer
      operationId: signData
      parameters:
        - schema:
            type: string
            format: uuid
          in: path
          name: signerId
          required: true
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                data:
                  type: string
                  minLength: 1
                  maxLength: 172
                signingAlgorithm:
                  type: string
                  enum:
                    - RSASSA_PSS_SHA_512
                    - RSASSA_PSS_SHA_384
                    - RSASSA_PSS_SHA_256
                    - RSASSA_PKCS1_V1_5_SHA_512
                    - RSASSA_PKCS1_V1_5_SHA_384
                    - RSASSA_PKCS1_V1_5_SHA_256
                    - ECDSA_SHA_512
                    - ECDSA_SHA_384
                    - ECDSA_SHA_256
                    - ML_DSA_44
                    - ML_DSA_65
                    - ML_DSA_87
                isDigest:
                  type: boolean
                  default: false
                clientMetadata:
                  type: object
                  properties:
                    tool:
                      type: string
                      maxLength: 128
                    hostname:
                      type: string
                      maxLength: 256
                    reportedIp:
                      type: string
                      maxLength: 64
                  additionalProperties: false
              required:
                - data
                - signingAlgorithm
              additionalProperties: false
      responses:
        '200':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  signature:
                    type: string
                  signingAlgorithm:
                    type: string
                  signerId:
                    type: string
                required:
                  - signature
                  - signingAlgorithm
                  - signerId
                additionalProperties: false
        '400':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  reqId:
                    type: string
                  statusCode:
                    type: number
                    enum:
                      - 400
                  message:
                    type: string
                  error:
                    type: string
                  details: {}
                required:
                  - reqId
                  - statusCode
                  - message
                  - error
                additionalProperties: false
        '401':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  reqId:
                    type: string
                  statusCode:
                    type: number
                    enum:
                      - 401
                  message:
                    type: string
                  error:
                    type: string
                required:
                  - reqId
                  - statusCode
                  - message
                  - error
                additionalProperties: false
        '403':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  reqId:
                    type: string
                  statusCode:
                    type: number
                    enum:
                      - 403
                  message:
                    type: string
                  details: {}
                  error:
                    type: string
                required:
                  - reqId
                  - statusCode
                  - message
                  - error
                additionalProperties: false
        '404':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  reqId:
                    type: string
                  statusCode:
                    type: number
                    enum:
                      - 404
                  message:
                    type: string
                  error:
                    type: string
                required:
                  - reqId
                  - statusCode
                  - message
                  - error
                additionalProperties: false
        '422':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  reqId:
                    type: string
                  statusCode:
                    type: number
                    enum:
                      - 422
                  message: {}
                  error:
                    type: string
                required:
                  - reqId
                  - statusCode
                  - error
                additionalProperties: false
        '500':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  reqId:
                    type: string
                  statusCode:
                    type: number
                    enum:
                      - 500
                  message:
                    type: string
                  error:
                    type: string
                required:
                  - reqId
                  - statusCode
                  - message
                  - error
                additionalProperties: false

````