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

# Update a persona



## OpenAPI

````yaml PUT /personas/{id}
openapi: 3.0.0
info:
  title: WaterrAI API
  version: 1.0.0
  description: >-
    REST API for the WaterrAI meeting platform — create scenarios, spin up
    AI-driven meetings, fetch transcripts and analyses.
  contact:
    name: Support
    email: harshit@waterr.ai
servers:
  - url: https://api.waterr.ai/v1
    description: Production
security:
  - apiKeyAuth: []
tags:
  - name: Users
  - name: Personas
  - name: Voices
  - name: Scenarios
  - name: Goals
  - name: Meetings
  - name: Analyses
  - name: Recordings
  - name: Transcripts
  - name: Tools
    description: >-
      Account-scoped custom function (tool) definitions the LLM can call
      mid-meeting.
  - name: Scenario Tools
    description: >-
      Per-scenario attachments linking a scenario to one or more tool
      definitions.
paths:
  /personas/{id}:
    put:
      tags:
        - Personas
      summary: Update a persona
      parameters:
        - name: id
          in: path
          required: true
          schema:
            type: string
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                name:
                  type: string
                  maxLength: 100
                job_title:
                  type: string
                  maxLength: 100
                voice_id:
                  type: string
                demeanor:
                  type: string
                  enum:
                    - friendly
                    - analytical
                    - empathetic
                    - curious
                    - enthusiastic
                    - critical
                    - casual
                    - blunt
                    - assertive
                    - neutral
                background:
                  type: string
                avatar:
                  type: string
                  maxLength: 255
                  description: >-
                    Raw avatar URL. Sending a new URL without `avatar_id` clears
                    any catalog link.
                avatar_id:
                  type: string
                  format: uuid
                  nullable: true
                  description: >-
                    Catalog avatar ID (see `GET /avatars`). Takes precedence
                    over `avatar`; pass `null` to clear both.
                gender:
                  type: string
      responses:
        '200':
          description: Persona updated successfully
        '404':
          description: Persona not found
        '500':
          description: Server error
      security:
        - apiKeyAuth: []
components:
  securitySchemes:
    apiKeyAuth:
      type: http
      scheme: bearer
      bearerFormat: wai_...
      description: >-
        API key from waterr.ai/settings?tab=api-keys. Send as `Authorization:
        Bearer wai_<your_key>`.

````