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

# Create a client instance

> Authenticates a developer using customerId and apiKey to create a client instance in Sol.



## OpenAPI

````yaml sol-open-api-spec.yaml post /auth/client
openapi: 3.0.0
info:
  title: Sol API
  description: >-
    API for managing AI-powered tool integrations in third-party applications,
    enabling seamless automation and execution of tasks.
  version: 1.0.0
servers:
  - url: https://api.sol.com/v1
    description: Main (production) server
security: []
paths:
  /auth/client:
    post:
      summary: Create a client instance
      description: >-
        Authenticates a developer using customerId and apiKey to create a client
        instance in Sol.
      requestBody:
        content:
          application/json:
            schema:
              type: object
              properties:
                customerId:
                  type: string
                  example: your-internal-customer-id
                apiKey:
                  type: string
                  example: your-api-key
              required:
                - customerId
                - apiKey
      responses:
        '200':
          description: Successful client creation
          content:
            application/json:
              schema:
                type: object
                properties:
                  clientId:
                    type: string
                    description: Unique ID for the created client instance
                    example: client-12345

````