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

# Get Project Config

> Fetch the supported gas tokens and sponsorship policy for the authenticated API key.



## OpenAPI

````yaml GET /config
openapi: 3.1.0
info:
  title: VelumX Relayer API
  description: >-
    Infrastructure-grade gasless transaction sponsorship for the Stacks
    ecosystem.
  version: 1.0.0
  license:
    name: MIT
servers:
  - url: https://api.velumx.xyz/api/v1
    description: Production Relayer
security:
  - ApiKeyAuth: []
paths:
  /config:
    get:
      summary: Get Project Config
      description: >-
        Fetch the supported gas tokens and sponsorship policy for the
        authenticated API key.
      responses:
        '200':
          description: Project configuration
          content:
            application/json:
              schema:
                type: object
                properties:
                  supportedGasTokens:
                    type: array
                    items:
                      type: string
                  sponsorshipPolicy:
                    type: string
                    enum:
                      - USER_PAYS
                      - DEVELOPER_SPONSORS
components:
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: header
      name: x-api-key

````