Validate if a publisher username is available

Checks if the publisher username is already taken.

OpenAPI

````yaml https://api.comfy.org/openapi get /publishers/validate openapi: 3.0.2 info: title: Comfy API version: '1.0' servers:

• url: https://api.comfy.org security: [] tags:
• description: Comfy Router's canonical, model-ID-addressed routes. name: Comfy Router
• description: >- Signed-in users running Comfy-owned serverless apps with free runs and flat or per-second pricing (FE-2737). name: App Proxy paths: /publishers/validate: get: tags:
• Registry summary: Validate if a publisher username is available description: Checks if the publisher username is already taken. operationId: ValidatePublisher parameters:
• description: The publisher username to validate. in: query name: username required: true schema: type: string responses: '200': content: application/json: schema: properties: isAvailable: description: True if the username is available, false otherwise. type: boolean type: object description: Username validation result '400': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Invalid input, such as missing username in the query. '500': content: application/json: schema: $ref: '#/components/schemas/ErrorResponse' description: Internal server error components: schemas: ErrorResponse: properties: error: type: string message: type: string required:
• error
• message type: object

````