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OpenAPI Specification

openapi: 3.2.0
info:
  title: Langdock Agent Agent Build API
  version: 3.0.0
servers:
- url: https://api.langdock.com
  description: Production
security:
- bearerAuth: []
tags:
- name: Agent Build
paths:
  /agent/v1/create:
    post:
      operationId: createAgentV2
      summary: Creates a new agent
      description: Creates a new agent in your workspace programmatically.
      tags:
      - Agent Build
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/Assistant'
      responses:
        '201':
          description: Agent created successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                  message:
                    type: string
                  agent:
                    $ref: '#/components/schemas/Assistant'
  /agent/v1/update:
    patch:
      operationId: updateAgentV2
      summary: Updates an existing agent
      description: Updates an existing agent in your workspace.
      tags:
      - Agent Build
      requestBody:
        required: true
        content:
          application/json:
            schema:
              allOf:
              - type: object
                required:
                - agentId
                properties:
                  agentId:
                    type: string
                    format: uuid
              - $ref: '#/components/schemas/Assistant'
      responses:
        '200':
          description: Agent updated successfully
  /agent/v1/publish:
    post:
      operationId: publishAgentV2
      summary: Publishes a draft agent as a new version
      description: Publishes the current draft of an agent as a new version. Mirrors the "Update" button in the agent editor — only agents (not projects) are supported, and the draft must differ from the latest published version.
      tags:
      - Agent Build
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
              - agentId
              properties:
                agentId:
                  type: string
                  format: uuid
                  description: UUID of the agent to publish
                description:
                  type: string
                  maxLength: 100
                  description: Optional change description shown in version history
      responses:
        '200':
          description: Agent published successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                  message:
                    type: string
                  version:
                    type: object
                    properties:
                      id:
                        type: string
                        format: uuid
                      version:
                        type: integer
                      createdAt:
                        type: string
                        format: date-time
        '403':
          description: API key lacks edit access, agent is in a different workspace, or the resource is a project
        '409':
          description: No draft changes to publish
  /agent/v1/get:
    get:
      operationId: getAgentV2
      summary: Retrieves details of an existing agent
      description: Retrieves the complete configuration and details of an existing agent.
      tags:
      - Agent Build
      parameters:
      - name: agentId
        in: query
        required: true
        schema:
          type: string
          format: uuid
      responses:
        '200':
          description: Agent retrieved successfully
          content:
            application/json:
              schema:
                type: object
                properties:
                  status:
                    type: string
                  agent:
                    $ref: '#/components/schemas/Assistant'
components:
  schemas:
    Assistant:
      type: object
      required:
      - name
      - instructions
      properties:
        name:
          type: string
          maxLength: 64
        description:
          type: string
          maxLength: 256
        instructions:
          type: string
          maxLength: 16384
        temperature:
          type: number
          minimum: 0
          maximum: 1
        model:
          type: string
          maxLength: 64
        capabilities:
          type: object
          properties:
            webSearch:
              type: boolean
            dataAnalyst:
              type: boolean
              deprecated: true
              description: Deprecated. Accepted for compatibility and ignored.
            imageGeneration:
              type: boolean
        actions:
          type: array
          items:
            $ref: '#/components/schemas/Action'
        vectorDb:
          type: array
          items:
            $ref: '#/components/schemas/VectorDb'
        knowledgeFolderIds:
          type: array
          items:
            type: string
        attachmentIds:
          type: array
          items:
            type: string
            format: uuid
          description: Array of UUID strings identifying attachments for this message
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      bearerFormat: API Key
      description: API key as Bearer token. Format "Bearer YOUR_API_KEY"