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

# Create API Key

> Create a new API key. You can have up to 5 active keys per account.



## OpenAPI

````yaml /openapi.json post /api/api-keys
openapi: 3.1.0
info:
  title: NinjaChat API
  version: 1.0.0
  description: >-
    Access 40+ AI models through a unified API — chat, image generation, video
    generation, and web search. One API key, one endpoint per type, just change
    the `model` parameter.
servers:
  - url: https://www.ninjachat.ai
security:
  - bearerAuth: []
paths:
  /api/api-keys:
    post:
      tags:
        - Management
      summary: Create API Key
      description: Create a new API key. You can have up to 5 active keys per account.
      operationId: createApiKey
      requestBody:
        required: true
        content:
          application/json:
            schema:
              type: object
              required:
                - name
              properties:
                name:
                  type: string
                  minLength: 1
                  maxLength: 64
                  description: >-
                    Key name. Alphanumeric characters, spaces, hyphens, and
                    underscores.
            example:
              name: My Production Key
      responses:
        '201':
          description: API key created. The full key is only returned once.
          content:
            application/json:
              schema:
                type: object
                properties:
                  key:
                    type: string
                    description: Full API key. Shown only once.
                  id:
                    type: string
                  prefix:
                    type: string
                  name:
                    type: string
                  message:
                    type: string
        '401':
          description: Authentication failed.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/ErrorResponse'
components:
  schemas:
    ErrorResponse:
      type: object
      description: >-
        OpenAI-compatible error. The top-level `message`, `code`, and
        `request_id` mirror fields inside `error` for convenience.
      properties:
        error:
          type: object
          properties:
            message:
              type: string
              description: Human-readable error description.
            type:
              type: string
              description: >-
                Error category: invalid_request_error, authentication_error,
                rate_limit_error, insufficient_quota, or api_error.
            code:
              type: string
              description: Machine-readable error code.
            param:
              type: string
              nullable: true
              description: The request parameter that caused the error, if any.
        message:
          type: string
          description: Same as error.message.
        code:
          type: string
          description: Same as error.code.
        request_id:
          type: string
          description: Unique request ID, useful when contacting support.
  securitySchemes:
    bearerAuth:
      type: http
      scheme: bearer
      description: API key starting with nj_sk_

````