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

# Get Agent Version

> One version in full: the complete configuration snapshot plus a field-level diff against the previous version.



## OpenAPI

````yaml GET /agents/{id}/revisions/{revision}
openapi: 3.1.0
info:
  title: RevRing Voice AI API
  description: >-
    RevRing Voice AI platform API for managing AI voice agents, phone calls, SIP
    trunks, and analytics. Build intelligent voice applications that can handle
    inbound and outbound phone calls with AI-powered conversational agents.
  version: 1.0.0
  contact:
    name: RevRing Support
    url: https://revring.ai
servers:
  - url: https://api.revring.ai/v1
    description: Production API
security:
  - apiKeyAuth: []
tags:
  - name: Messaging Connections
    description: Connect messaging providers so agents can send text messages
  - name: Messages
    description: Send text messages and read your message log
  - name: Conversations
    description: List and clear managed conversation threads
  - name: SIP Trunks
    description: Manage SIP trunks for connecting agents to the phone network
  - name: Agents
    description: Manage AI voice agents and their configuration
  - name: Agent Folders
    description: Organize agents into folders for dashboard navigation
  - name: Calls
    description: Manage and query phone calls
  - name: Analytics
    description: Get analytics and metrics about your calls
  - name: Knowledge Bases
    description: >-
      Manage knowledge bases and sources for agent retrieval-augmented
      generation
  - name: Test Suites
    description: Manage test suites, test cases, and test runs for agent evaluation
  - name: Voices
    description: Browse the voices available to your organization for agent speech
paths:
  /agents/{id}/revisions/{revision}:
    parameters:
      - name: id
        in: path
        required: true
        description: Agent ID
        schema:
          type: string
          format: uuid
      - name: revision
        in: path
        required: true
        description: Version number
        schema:
          type: integer
          minimum: 1
    get:
      tags:
        - Agents
      summary: Get Agent Version
      description: >-
        One version in full: the complete configuration snapshot plus a
        field-level diff against the previous version.
      operationId: getAgentRevision
      responses:
        '200':
          description: Version detail
          content:
            application/json:
              schema:
                type: object
                properties:
                  data:
                    $ref: '#/components/schemas/AgentRevisionDetail'
        '401':
          $ref: '#/components/responses/UnauthorizedError'
        '402':
          $ref: '#/components/responses/BillingInactiveError'
        '404':
          $ref: '#/components/responses/NotFoundError'
components:
  schemas:
    AgentRevisionDetail:
      allOf:
        - $ref: '#/components/schemas/AgentRevision'
        - type: object
          properties:
            snapshot:
              type: object
              description: >-
                The complete agent configuration at this version (agent fields,
                custom tools, phone numbers, knowledge base links)
            diff:
              type: object
              nullable: true
              additionalProperties:
                type: object
                properties:
                  from: {}
                  to: {}
              description: >-
                Per-field before/after vs the previous version. null for the
                first version.
    AgentRevision:
      type: object
      properties:
        revision:
          type: integer
          description: 1-based version number, counting up per agent
        reason:
          type: string
          description: What produced this version
          enum:
            - created
            - baseline
            - updated
            - duplicated
            - deleted
            - restored
            - custom_tool_created
            - custom_tool_updated
            - custom_tool_deleted
            - phone_number_added
            - phone_number_removed
            - knowledge_base_linked
            - knowledge_base_unlinked
        actorType:
          type: string
          enum:
            - user
            - apiKey
            - system
          description: Who made the change
        actorId:
          type: string
          nullable: true
        actorLabel:
          type: string
          nullable: true
          description: Dashboard user email or API key name
        changedFields:
          type: array
          items:
            type: string
          description: >-
            Agent fields whose value changed vs the previous version. ["*"] for
            the first version.
        createdAt:
          type: string
          format: date-time
  responses:
    UnauthorizedError:
      description: Authentication required or API key invalid
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: unauthorized
    BillingInactiveError:
      description: Subscription inactive or billing issue
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: billing_inactive
    NotFoundError:
      description: Resource not found
      content:
        application/json:
          schema:
            type: object
            properties:
              error:
                type: string
                example: not_found
  securitySchemes:
    apiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key
      description: >-
        API key for authentication. Generate API keys from the RevRing
        dashboard.

````