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

# List sources

> Returns the sources in your account — the systems you migrate customers off of. Sources are addressed by **name** throughout the API; no source ID is exposed.



## OpenAPI

````yaml /api-reference/openapi.json get /sources
openapi: 3.1.0
info:
  title: Vern Migration API
  version: 1.0.0
  description: >-
    Run Vern as a headless migration engine. Create a migration, upload a
    customer's files, run the managed agent to generate a preview, then execute
    and export clean data. See the Migration API guides for concepts and
    walkthroughs.
servers:
  - url: https://app.vern.so/api/v1
security:
  - apiKey: []
tags:
  - name: Catalog
    description: Discover the sources and templates you set up in the Vern UI.
  - name: Migrations
    description: Create a migration workspace and upload a customer's files.
  - name: Runs
    description: 'Drive the managed agent: generate, refine, execute, answer, and observe.'
  - name: Export
    description: Download a migration's validated data as CSV.
paths:
  /sources:
    get:
      tags:
        - Catalog
      summary: List sources
      description: >-
        Returns the sources in your account — the systems you migrate customers
        off of. Sources are addressed by **name** throughout the API; no source
        ID is exposed.
      operationId: listSources
      responses:
        '200':
          description: The sources in your account.
          content:
            application/json:
              schema:
                type: object
                properties:
                  sources:
                    type: array
                    items:
                      $ref: '#/components/schemas/Source'
              example:
                sources:
                  - name: Salesforce
                    logo_url: https://logo.clearbit.com/salesforce.com
        '401':
          $ref: '#/components/responses/Unauthorized'
        '429':
          $ref: '#/components/responses/RateLimited'
components:
  schemas:
    Source:
      type: object
      properties:
        name:
          type: string
          description: The source's public identifier.
        logo_url:
          type:
            - string
            - 'null'
    Error:
      type: object
      properties:
        error:
          type: string
          description: A human-readable error message.
      required:
        - error
  responses:
    Unauthorized:
      description: API key missing, malformed, or revoked.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
    RateLimited:
      description: Rate limit hit — back off and retry.
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/Error'
          example:
            error: Too many requests
  securitySchemes:
    apiKey:
      type: apiKey
      in: header
      name: x-api-key
      description: Your Vern API key. Create one at Settings → API keys.

````