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

# List countries

> Returns supported countries with ISO codes.



## OpenAPI

````yaml /api-reference/openapi.json get /v1/partner/references/countries
openapi: 3.1.0
info:
  title: doola Partner API
  description: >-
    REST API for doola partners to create and manage customers and companies,
    retrieve formation documents, and look up reference data.


    Authenticate every request with a partner API key in the `Authorization`
    header. Generate keys and manage webhooks and event subscriptions in the
    doola Partner Portal.
  contact:
    name: doola
    url: https://www.doola.com
  version: v1
servers:
  - url: https://api.test.doola.com
    description: Sandbox — use test keys (dk_test_…)
  - url: https://api.doola.com
    description: Production — use live keys (dk_live_…)
security:
  - PartnerApiKey: []
tags:
  - name: Playground (sandbox only)
    description: >-
      Sandbox-only helpers to drive a test company through the Formation and
      EinCreation milestones end to end.
  - name: Customers
    description: Create and look up customers under your partner tenant.
  - name: Documents
    description: List and download a company's formation documents.
  - name: Signatures
    description: Request embedded signing sessions for pending company documents.
  - name: Companies
    description: Create companies for your customers, then track formation status.
  - name: Reference data
    description: >-
      Static lookups for building company-creation requests: NAICS codes,
      states, countries, and state filing fees.
paths:
  /v1/partner/references/countries:
    get:
      tags:
        - Reference data
      summary: List countries
      description: Returns supported countries with ISO codes.
      operationId: countries
      responses:
        '200':
          description: OK
          content:
            '*/*':
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Country'
components:
  schemas:
    Country:
      type: object
      description: A country.
      properties:
        code:
          type: string
          description: ISO 3166-1 alpha-3 country code (e.g. USA).
          example: USA
        name:
          type: string
          description: Country name.
          example: United States
  securitySchemes:
    PartnerApiKey:
      type: apiKey
      description: >-
        Partner API key. Send the raw key as the `Authorization` header value —
        e.g. `dk_test_…` in sandbox or `dk_live_…` in production. Generate and
        rotate keys in the doola Partner Portal.
      name: Authorization
      in: header

````