Add api payment method

It will be used to credit customer via the customer account transaction
API

config/locales/en.yml

@@ -5170,3 +5170,6 @@ en:
   invisible_captcha:
     sentence_for_humans: "Please leave empty"
     timestamp_error_message: "Please try again after 5 seconds."
+  api_payment_method:
+    name: API customer credit
+    description: Used to credit customer via customer account transactions endpoint

db/migrate/20260129230557_add_api_customer_credit_payment_method.rb

@@ -0,0 +1,33 @@
+# frozen_string_literal: true
+
+class AddApiCustomerCreditPaymentMethod < ActiveRecord::Migration[7.1]
+  def up
+    # Create payment method
+    execute(<<-SQL.squish
+      INSERT INTO spree_payment_methods ( type, name, description, environment, active, display_on, created_at, updated_at)
+      VALUES ('Spree::PaymentMethod::Check', 'api_payment_method.name', 'api_payment_method.description', '#{Rails.env}', true, 'back_end', NOW(), NOW())
+    SQL
+           )
+
+    # Link to existing hub
+    execute(<<-SQL.squish
+      INSERT INTO distributors_payment_methods (distributor_id, payment_method_id, created_at, updated_at)
+      SELECT id, (SELECT id FROM spree_payment_methods WHERE name = 'api_payment_method.name') as payment_method_id, NOW() as created_at, NOW() as updated_at
+      FROM enterprises WHERE sells != 'none'
+    SQL
+           )
+  end
+
+  def down
+    execute(<<-SQL.squish
+      DELETE FROM distributors_payment_methods
+      WHERE payment_method_id = (SELECT id FROM spree_payment_methods WHERE name = 'api_payment_method.name')
+    SQL
+           )
+
+    execute(<<-SQL.squish
+      DELETE FROM spree_payment_methods WHERE name = 'api_payment_method.name'
+    SQL
+           )
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.1].define(version: 2026_01_19_024509) do
+ActiveRecord::Schema[7.1].define(version: 2026_01_29_230557) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
   enable_extension "plpgsql"

lib/tasks/sample_data/payment_method_factory.rb

@@ -14,6 +14,7 @@ module SampleData
       distributors.each do |enterprise|
         create_payment_methods(enterprise)
       end
+      create_api_method(distributors)
     end
 
     private
@@ -45,5 +46,16 @@ module SampleData
       payment_method.calculator = calculator
       payment_method.save!
     end
+
+    def create_api_method(enterprises)
+      log "Creating api payment method"
+      Spree::PaymentMethod::Check.create!(
+        name: "api_payment_method.name",
+        description: "api_payment_method.description",
+        environment: Rails.env,
+        distributors: enterprises,
+        display_on: "back_end"
+      )
+    end
   end
 end