> ## Documentation Index
> Fetch the complete documentation index at: https://docs.actx0.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Batch Delete Messages

> Delete up to 100 session messages by ID.



## OpenAPI

````yaml /openapi.yaml delete /workspaces/{workspaceId}/agents/{agentId}/sessions/{sessionId}/messages/batch
openapi: 3.1.0
info:
  title: Actx0 API
  version: 1.0.0
  description: >-
    REST API for Actx0 workspaces, access keys, agents, sessions, messages,
    memories, prompts, and knowledge documents.


    Authenticate with `X-Access-Key` (workspace), `X-API-Key` (user), or a
    dashboard session.
servers:
  - url: https://app.actx0.com/api/v1
    description: Actx0 cloud
security: []
tags:
  - name: Me
    description: Inspect the authenticated access key or API key
  - name: API Keys
    description: User API keys for X-API-Key auth
  - name: Workspaces
    description: Team workspaces
  - name: Access Keys
    description: Scoped workspace keys for agents and SDKs
  - name: Agents
    description: Agents inside a workspace
  - name: Sessions
    description: Agent conversation sessions
  - name: Messages
    description: Session messages and semantic search
  - name: Memories
    description: Session memories, search, batch, and regenerate
  - name: Prompts
    description: Versioned prompts
  - name: Knowledge
    description: Document upload and semantic search
paths:
  /workspaces/{workspaceId}/agents/{agentId}/sessions/{sessionId}/messages/batch:
    delete:
      tags:
        - Messages
      summary: Batch Delete Messages
      description: Delete up to 100 session messages by ID.
      operationId: batchDeleteMessages
      parameters:
        - $ref: '#/components/parameters/WorkspaceId'
        - $ref: '#/components/parameters/AgentId'
        - $ref: '#/components/parameters/SessionId'
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BatchDeleteIdsRequest'
            example:
              ids:
                - 55555555-5555-5555-5555-555555555555
      responses:
        '204':
          description: No content
        '400':
          description: Bad request
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '401':
          description: Unauthorized
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '403':
          description: Forbidden
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '404':
          description: Not found
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
        '500':
          description: Internal server error
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - AccessKeyAuth: []
        - ApiKeyAuth: []
      x-codeSamples:
        - lang: curl
          label: curl
          source: >
            curl -X DELETE
            'https://app.actx0.com/api/v1/workspaces/<workspaceId>/agents/<agentId>/sessions/<sessionId>/messages/batch'
            \
              -H "X-Access-Key: YOUR_ACCESS_KEY" \
              -H "Content-Type: application/json" \
              -H "Accept: application/json" \
              -d '{"ids": ["55555555-5555-5555-5555-555555555555"]}'
        - lang: python
          label: pctx0
          source: >
            from pctx0 import Pctx0Client


            client = Pctx0Client(
                access_key="YOUR_ACCESS_KEY",
                workspace_id="YOUR_WORKSPACE_ID",
            )


            client.message.delete("AGENT_ID", "SESSION_ID", ["MESSAGE_ID_1",
            "MESSAGE_ID_2"])
        - lang: javascript
          label: nctx0
          source: >
            import { Nctx0Client } from "@actx0/nctx0";


            const client = new Nctx0Client({
              accessKey: "YOUR_ACCESS_KEY",
              workspaceId: "YOUR_WORKSPACE_ID",
            });


            await client.message.delete("AGENT_ID", "SESSION_ID",
            ["MESSAGE_ID_1", "MESSAGE_ID_2"]);
        - lang: go
          label: gtcx0
          source: "package main\n\nimport (\n\t\"context\"\n\n\t\"github.com/Actx0/Gctx0\"\n)\n\nfunc main() {\n\tclient := gctx0.NewClient(\n\t\tgctx0.WithAccessKey(\"YOUR_ACCESS_KEY\"),\n\t\tgctx0.WithWorkspaceId(\"YOUR_WORKSPACE_ID\"),\n\t)\n\tdefer client.Close()\n\tctx := context.Background()\n\terr := client.Message.DeleteBatch(ctx, \"AGENT_ID\", \"SESSION_ID\", []string{\"MESSAGE_ID_1\", \"MESSAGE_ID_2\"})\n\t_ = err\n}\n"
components:
  parameters:
    WorkspaceId:
      name: workspaceId
      in: path
      required: true
      schema:
        type: string
        format: uuid
      example: 11111111-1111-1111-1111-111111111111
    AgentId:
      name: agentId
      in: path
      required: true
      schema:
        type: string
        format: uuid
      example: 22222222-2222-2222-2222-222222222222
    SessionId:
      name: sessionId
      in: path
      required: true
      description: Internal session UUID (not externalId).
      schema:
        type: string
        format: uuid
      example: 33333333-3333-3333-3333-333333333333
  schemas:
    BatchDeleteIdsRequest:
      type: object
      required:
        - ids
      properties:
        ids:
          type: array
          minItems: 1
          maxItems: 100
          items:
            type: string
            format: uuid
          example:
            - 55555555-5555-5555-5555-555555555555
    Error:
      type: object
      required:
        - errorMessage
      properties:
        errorMessage:
          type: string
          example: Name is required
  securitySchemes:
    AccessKeyAuth:
      type: apiKey
      in: header
      name: X-Access-Key
      description: Workspace access key for agent/runtime integrations.
    ApiKeyAuth:
      type: apiKey
      in: header
      name: X-API-Key
      description: User API key for management and automation.

````