import { createAdminClient } from '@spree/admin-sdk'

const client = createAdminClient({
  baseUrl: 'https://your-store.com',
  secretKey: 'sk_xxx',
})

const paymentMethod = await client.paymentMethods.create({
  type: 'check',
  name: 'Bank transfer',
  description: 'Pay by bank transfer within 14 days.',
  active: true,
  storefront_visible: true,
  capture_method: 'manual',
})

spree api post /payment_methods -d '{"type":"check","name":"Bank transfer","description":"Pay by bank transfer within 14 days.","active":true,"storefront_visible":true,"capture_method":"manual"}'

{
  "id": "pm_gbHJdmfrXB",
  "name": "Bank transfer",
  "description": "Pay by bank transfer within 14 days.",
  "type": "check",
  "session_required": false,
  "source_required": false,
  "metadata": {},
  "active": true,
  "capture_method": "manual",
  "resolved_capture_method": "manual",
  "storefront_visible": true,
  "position": 2,
  "created_at": "2026-01-15T12:00:00.000Z",
  "updated_at": "2026-01-15T12:00:00.000Z",
  "preferences": {},
  "logo_url": null,
  "docs_url": null,
  "third_party": false
}

{
  "error": {
    "code": "unknown_payment_method_type",
    "message": "Unknown type"
  }
}