> ## 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.

# Get proxy certificate authority

> Get the certificate authority an Agent Vault proxy serves. Returns 409 when the proxy serves its own certificate authority, which Infisical does not hold.



## OpenAPI

````yaml GET /api/v1/agent-vault/proxies/{proxyId}/ca
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/agent-vault/proxies/{proxyId}/ca:
    get:
      tags:
        - Agent Vault Proxies
      description: >-
        Get the certificate authority an Agent Vault proxy serves. Returns 409
        when the proxy serves its own certificate authority, which Infisical
        does not hold.
      operationId: getAgentVaultProxyCa
      parameters:
        - schema:
            type: string
            format: uuid
          in: path
          name: proxyId
          required: true
          description: The ID of the proxy.
      responses:
        '200':
          description: Default Response
          content:
            application/json:
              schema:
                type: object
                properties:
                  ca:
                    type: object
                    properties:
                      certificate:
                        type: string
                        description: The certificate authority's certificate, in PEM form.
                      fingerprint:
                        type: string
                        description: >-
                          The SHA-256 fingerprint of the proxy's certificate
                          authority. Pin this if you want to verify the proxy an
                          agent connects to.
                      expiresAt:
                        type: string
                        format: date-time
                        description: When the proxy's certificate authority expires.
                    required:
                      - certificate
                      - fingerprint
                      - expiresAt
                    additionalProperties: false
                    description: >-
                      The certificate authority the proxy serves, with its
                      certificate in PEM form. Agents trust it to accept the
                      proxy's certificates.
                required:
                  - ca
                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

````

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