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

# Change account password

> Verifies the current password, replaces it, invalidates other sessions and revokes human-owned credentials and pending authorizations.

A signed-in human session with recent authentication is required. Complete password/passkey reauthentication when requested.

Verifies the current password, replaces it, invalidates other sessions and revokes human-owned credentials and pending authorizations.

[Request conventions](https://www.mill.fyi/api-reference/overview.md) · [API keys](https://www.mill.fyi/api-keys.md) · [MCP connections](https://www.mill.fyi/mcp-connections.md)


## OpenAPI

````yaml api-reference/openapi.json POST /api/auth/password
openapi: 3.1.0
info:
  title: Mill HTTP API
  version: 1.0.6
  description: >-
    All registered task-board, account, OAuth, MCP transport and health
    operations. MCP tool schemas come from runtime validators; account
    operations follow their server handlers. Example data is fictional.
    Generation imports routes without issuing requests or connecting to a
    database.
servers:
  - url: https://mill-api.example.com
security: []
paths:
  /api/auth/password:
    post:
      tags:
        - Account and sessions
      summary: Change account password
      description: >-
        Verifies the current password, replaces it, invalidates other sessions
        and revokes human-owned credentials and pending authorizations.


        A signed-in human session with recent authentication is required.
        Complete password/passkey reauthentication when requested.
      operationId: post_api_auth_password
      parameters:
        - name: Origin
          in: header
          required: true
          schema:
            type: string
            format: uri
          description: >-
            The exact configured Mill UI origin. Required for browser mutations
            carrying session cookies.
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              properties:
                currentPassword:
                  type: string
                  minLength: 1
                  maxLength: 1024
                password:
                  type: string
                  minLength: 15
                  maxLength: 1024
              required:
                - currentPassword
                - password
              additionalProperties: false
      responses:
        '200':
          description: >-
            Successful response. Examples are illustrative; field values vary by
            record.
          content:
            application/json:
              schema:
                type: object
                properties:
                  ok:
                    type: boolean
                additionalProperties: true
                description: >-
                  Illustrative response shape. Fields can be absent in alternate
                  successful flows; see the operation description and example.
              example:
                ok: true
        default:
          description: >-
            Request failure. Inspect code, message and requestId; respect
            Retry-After on HTTP 429.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/Error'
      security:
        - sessionCookie: []
components:
  schemas:
    Error:
      type: object
      required:
        - error
      properties:
        error:
          type: object
          required:
            - code
            - message
            - requestId
          properties:
            code:
              type: string
            message:
              type: string
            requestId:
              type: string
  securitySchemes:
    sessionCookie:
      type: apiKey
      in: cookie
      name: mill_session
      description: >-
        Signed-in human browser session; mutation requests also need the exact
        UI Origin

````

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