diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index d3f1a74..01ee55f 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -16,6 +16,7 @@ jobs:
         ruby:
           - 2.6
           - 2.7
+          - 3.0
 
     steps:
     - uses: actions/checkout@v2
@@ -24,5 +25,7 @@ jobs:
       with:
         ruby-version: ${{ matrix.ruby }}
         bundler-cache: true
-    - name: Cops & Specs
-      run: bin/rake
+    - name: Cops
+      run: bundle exec rubocop
+    - name: Specs
+      run: bundle exec rspec
diff --git a/Gemfile b/Gemfile
index ffc917a..a162d37 100644
--- a/Gemfile
+++ b/Gemfile
@@ -15,4 +15,5 @@ group :development, :test do
   gem "rubocop", "~> 1.21"
   gem "rubocop-rake", "~> 0.6.0"
   gem "rubocop-rspec", "~> 2.5"
+  gem "webmock", "~> 3.14"
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 8bb2051..4724c10 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -2,35 +2,42 @@ PATH
   remote: .
   specs:
     yookassa (0.1.0)
-      evil-client (~> 3.0)
+      dry-initializer
+      http (~> 5.0.1)
 
 GEM
   remote: https://rubygems.org/
   specs:
-    addressable (2.6.0)
-      public_suffix (>= 2.0.2, < 4.0)
+    addressable (2.8.0)
+      public_suffix (>= 2.0.2, < 5.0)
     ast (2.4.2)
     byebug (11.0.1)
     coderay (1.1.2)
-    concurrent-ruby (1.1.7)
-    crack (0.4.3)
-      safe_yaml (~> 1.0.0)
+    crack (0.4.5)
+      rexml
     diff-lcs (1.3)
     docile (1.3.1)
+    domain_name (0.5.20190701)
+      unf (>= 0.0.5, < 1.0.0)
     dry-initializer (3.0.4)
-    evil-client (3.0.4)
-      dry-initializer (>= 2.1, < 4)
-      mime-types (~> 3.1)
-      rack (~> 2)
-      tram-policy (>= 0.3.1, < 3)
-    hashdiff (0.4.0)
-    i18n (1.8.5)
-      concurrent-ruby (~> 1.0)
+    ffi (1.15.4)
+    ffi-compiler (1.0.1)
+      ffi (>= 1.0.0)
+      rake
+    hashdiff (1.0.1)
+    http (5.0.1)
+      addressable (~> 2.3)
+      http-cookie (~> 1.0)
+      http-form_data (~> 2.2)
+      llhttp-ffi (~> 0.3.0)
+    http-cookie (1.0.4)
+      domain_name (~> 0.5)
+    http-form_data (2.3.0)
     json (2.2.0)
+    llhttp-ffi (0.3.1)
+      ffi-compiler (~> 1.0)
+      rake (~> 13.0)
     method_source (0.9.2)
-    mime-types (3.3.1)
-      mime-types-data (~> 3.2015)
-    mime-types-data (3.2020.1104)
     parallel (1.21.0)
     parser (3.0.2.0)
       ast (~> 2.4.1)
@@ -40,8 +47,7 @@ GEM
     pry-byebug (3.7.0)
       byebug (~> 11.0)
       pry (~> 0.10)
-    public_suffix (3.1.0)
-    rack (2.2.3)
+    public_suffix (4.0.6)
     rainbow (3.0.0)
     rake (13.0.6)
     regexp_parser (2.1.1)
@@ -75,20 +81,19 @@ GEM
     rubocop-rspec (2.5.0)
       rubocop (~> 1.19)
     ruby-progressbar (1.11.0)
-    safe_yaml (1.0.5)
     simplecov (0.16.1)
       docile (~> 1.1)
       json (>= 1.8, < 3)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.2)
-    tram-policy (2.0.1)
-      dry-initializer (> 2, < 4)
-      i18n (~> 1.0)
+    unf (0.1.4)
+      unf_ext
+    unf_ext (0.0.8)
     unicode-display_width (2.1.0)
-    webmock (3.5.1)
-      addressable (>= 2.3.6)
+    webmock (3.14.0)
+      addressable (>= 2.8.0)
       crack (>= 0.3.2)
-      hashdiff
+      hashdiff (>= 0.4.0, < 2.0.0)
 
 PLATFORMS
   ruby
@@ -102,7 +107,7 @@ DEPENDENCIES
   rubocop-rake (~> 0.6.0)
   rubocop-rspec (~> 2.5)
   simplecov (~> 0.16)
-  webmock (~> 3.5)
+  webmock (~> 3.14)
   yookassa!
 
 BUNDLED WITH
diff --git a/lib/yookassa.rb b/lib/yookassa.rb
index f1a429d..387e120 100644
--- a/lib/yookassa.rb
+++ b/lib/yookassa.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
-require "evil/client"
-
+require "http"
+require "dry/initializer"
 require "yookassa/version"
 require "yookassa/payment"
 require "yookassa/refund"
@@ -12,6 +12,7 @@ require "yookassa/entity/payment"
 require "yookassa/entity/refund"
 require "yookassa/error"
 require "yookassa/config"
+require "yookassa/http_helpers"
 
 module Yookassa
   def self.configure
diff --git a/lib/yookassa/http_helpers.rb b/lib/yookassa/http_helpers.rb
new file mode 100644
index 0000000..9d2c1aa
--- /dev/null
+++ b/lib/yookassa/http_helpers.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module Yookassa
+  module HttpHelpers
+    API_URL = "https://api.yookassa.ru/v3/"
+
+    def get(endpoint, query: {})
+      response = client.get("#{API_URL}#{endpoint}", params: query)
+
+      return Error.new(response.parse) if response.status.client_error?
+
+      yield(response.parse) if block_given?
+    end
+
+    def post(endpoint, idempotency_key:, payload: {})
+      response = client.headers("Idempotence-Key" => idempotency_key).post("#{API_URL}#{endpoint}", json: payload)
+
+      return Error.new(response.parse) if response.status.client_error?
+
+      yield(response.parse) if block_given?
+    end
+
+    def client
+      HTTP.basic_auth(user: shop_id, pass: api_key).headers(accept: "application/json")
+    end
+  end
+end
diff --git a/lib/yookassa/payment.rb b/lib/yookassa/payment.rb
index ec769cd..ba07890 100644
--- a/lib/yookassa/payment.rb
+++ b/lib/yookassa/payment.rb
@@ -1,65 +1,46 @@
 # frozen_string_literal: true
 
+require_relative "http_helpers"
+
 module Yookassa
-  class Payment < Evil::Client
-    option :shop_id,  proc(&:to_s), default: proc { Yookassa.config.shop_id }
-    option :api_key,  proc(&:to_s), default: proc { Yookassa.config.api_key }
+  class Payment
+    include HttpHelpers
 
-    path { "https://api.yookassa.ru/v3/payments" }
-    security { basic_auth shop_id, api_key }
+    attr_reader :shop_id, :api_key
 
-    operation :get_payment_info do
-      option :payment_id, proc(&:to_s)
-
-      http_method :get
-      path { "/#{payment_id}" }
-
-      response(200) { |*res| Entity::Payment.build(*res) }
-      response(400, 404) { |*res| Error.build(*res) }
+    def initialize(shop_id: Yookassa.config.shop_id, api_key: Yookassa.config.api_key)
+      @shop_id = shop_id
+      @api_key = api_key
     end
 
-    operation :create do
-      option :payment
-      option :idempotency_key, proc(&:to_s)
-
-      http_method :post
-
-      format "json"
-      headers { { "Idempotence-Key" => idempotency_key } }
-      body { payment }
-
-      response(200) { |*res| Entity::Payment.build(*res) }
-      response(400) { |*res| Error.build(*res) }
+    def get_payment_info(payment_id:)
+      get("payments/#{payment_id}") do |response|
+        Entity::Payment.new(response)
+      end
     end
 
-    operation :capture do
-      option :payment_id, proc(&:to_s)
-      option :idempotency_key, optional: true
-
-      http_method :post
-
-      path { "/#{payment_id}/capture" }
-
-      format "json"
-      headers { { "Idempotence-Key" => idempotency_key } }
-
-      response(200) { |*res| Entity::Payment.build(*res) }
-      response(400) { |*res| Error.build(*res) }
+    def create(payment:, idempotency_key: SecureRandom.hex(10))
+      post("payments", payload: payment, idempotency_key: idempotency_key) do |response|
+        Entity::Payment.new(response)
+      end
     end
 
-    operation :cancel do
-      option :payment_id, proc(&:to_s)
-      option :idempotency_key, optional: true
-
-      http_method :post
-
-      path { "/#{payment_id}/cancel" }
-
-      format "json"
-      headers { { "Idempotence-Key" => idempotency_key } }
-
-      response(200) { |*res| Entity::Payment.build(*res) }
-      response(400) { |*res| Error.build(*res) }
+    def capture(payment_id:, idempotency_key: SecureRandom.hex(10))
+      post("payments/#{payment_id}/capture", idempotency_key: idempotency_key) do |response|
+        Entity::Payment.new(response)
+      end
     end
+
+    def cancel(payment_id:, idempotency_key: SecureRandom.hex(10))
+      post("payments/#{payment_id}/cancel", idempotency_key: idempotency_key) do |response|
+        Entity::Payment.new(response)
+      end
+    end
+
+    # def self.list(shop_id: Yookassa.config.shop_id, api_key: Yookassa.config.api_key)
+    #   get("payments", shop_id: shop_id, api_key: api_key) do |resp|
+    #     resp['items'].map { Entity::Payment.new(_1) }
+    #   end
+    # end
   end
 end
diff --git a/lib/yookassa/refund.rb b/lib/yookassa/refund.rb
index b02983a..54584ac 100644
--- a/lib/yookassa/refund.rb
+++ b/lib/yookassa/refund.rb
@@ -1,35 +1,28 @@
 # frozen_string_literal: true
 
+require_relative "http_helpers"
+
 module Yookassa
-  class Refund < Evil::Client
-    option :shop_id,  proc(&:to_s), default: proc { Yookassa.config.shop_id }
-    option :api_key,  proc(&:to_s), default: proc { Yookassa.config.api_key }
+  class Refund
+    include HttpHelpers
 
-    path { "https://api.yookassa.ru/v3/refunds" }
-    security { basic_auth shop_id, api_key }
+    attr_reader :shop_id, :api_key
 
-    operation :get_refund_info do
-      option :payment_id, proc(&:to_s)
-
-      http_method :get
-      path { "/#{payment_id}" }
-
-      response(200) { |*res| Entity::Refund.build(*res) }
-      response(400, 404) { |*res| Error.build(*res) }
+    def initialize(shop_id: Yookassa.config.shop_id, api_key: Yookassa.config.api_key)
+      @shop_id = shop_id
+      @api_key = api_key
     end
 
-    operation :create do
-      option :payload
-      option :idempotency_key, proc(&:to_s)
+    def get_refund_info(payment_id:)
+      get("refunds/#{payment_id}") do |response|
+        Entity::Refund.new(response)
+      end
+    end
 
-      http_method :post
-
-      format "json"
-      headers { { "Idempotence-Key" => idempotency_key } }
-      body { payload }
-
-      response(200) { |*res| Entity::Refund.build(*res) }
-      response(400, 404) { |*res| Error.build(*res) }
+    def create(payload:, idempotency_key: SecureRandom.hex(10))
+      post("refunds", payload: payload, idempotency_key: idempotency_key) do |response|
+        Entity::Refund.new(response)
+      end
     end
   end
 end
diff --git a/spec/fixtures/refund.json b/spec/fixtures/refund.json
index 0018bef..d4d4aae 100644
--- a/spec/fixtures/refund.json
+++ b/spec/fixtures/refund.json
@@ -1,8 +1,8 @@
 {
   "amount": {
-      "value": "8.00",
-      "currency": "RUB"
-},
-"payment_id": "40484c25-1095-4d36-8b17-92672d1e127d",
+    "value": "8.00",
+    "currency": "RUB"
+  },
+  "payment_id": "40484c25-1095-4d36-8b17-92672d1e127d",
   "description": "test refund, idem-key 40484c25-1095-4d36-8b17-92672d1e127d"
 }
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 56a2849..28fa36f 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -13,9 +13,4 @@ RSpec.configure do |config|
   config.order = :random
   config.filter_run focus: true
   config.run_all_when_everything_filtered = true
-
-  config.around(:each) do |example|
-    stub_request(:any, //)
-    example.run
-  end
 end
diff --git a/spec/yookassa/config_spec.rb b/spec/yookassa/config_spec.rb
index 69fc1e5..48d6222 100644
--- a/spec/yookassa/config_spec.rb
+++ b/spec/yookassa/config_spec.rb
@@ -1,9 +1,7 @@
 # frozen_string_literal: true
 
-module Yookassa
-  RSpec.describe Config do
-    subject { described_class.new }
-    it { is_expected.to respond_to(:shop_id) }
-    it { is_expected.to respond_to(:api_key) }
-  end
+RSpec.describe Yookassa::Config do
+  subject { described_class.new }
+  it { is_expected.to respond_to(:shop_id) }
+  it { is_expected.to respond_to(:api_key) }
 end
diff --git a/spec/yookassa/payment_spec.rb b/spec/yookassa/payment_spec.rb
index 3d0f2fa..1ae3228 100644
--- a/spec/yookassa/payment_spec.rb
+++ b/spec/yookassa/payment_spec.rb
@@ -3,7 +3,10 @@
 RSpec.describe Yookassa::Payment do
   let(:settings) { { shop_id: "SHOP_ID", api_key: "API_KEY" } }
   let(:idempotency_key) { 12_345 }
-  let(:payment) { described_class.new(settings) }
+  let(:payment) { described_class.new(**settings) }
+  let(:body) { File.read("spec/fixtures/payment_response.json") }
+
+  before { stub_request(:any, //).to_return(body: body, headers: { "Content-Type" => "application/json" }) }
 
   shared_examples "returns_payment_object" do
     it "returns success" do
@@ -38,11 +41,9 @@ RSpec.describe Yookassa::Payment do
   end
 
   describe "#create" do
-    let(:params) { { payment: File.read("spec/fixtures/payment.json") } }
+    let(:params) { JSON.parse(File.read("spec/fixtures/payment.json")) }
     let(:url) { "https://api.yookassa.ru/v3/payments" }
-    let(:body) { File.read("spec/fixtures/payment_response.json") }
 
-    before  { stub_request(:any, //).to_return(body: body) }
     subject { payment.create(payment: params, idempotency_key: idempotency_key) }
 
     it "sends a request" do
@@ -56,9 +57,7 @@ RSpec.describe Yookassa::Payment do
   describe "#get_payment_info" do
     let(:payment_id) { "2490ded1-000f-5000-8000-1f64111bc63e" }
     let(:url) { "https://api.yookassa.ru/v3/payments/#{payment_id}" }
-    let(:body) { File.read("spec/fixtures/payment_response.json") }
 
-    before  { stub_request(:any, //).to_return(body: body) }
     subject { payment.get_payment_info(payment_id: payment_id) }
 
     it "sends a request" do
@@ -71,11 +70,8 @@ RSpec.describe Yookassa::Payment do
 
   describe "#capture" do
     let(:payment_id) { "2490ded1-000f-5000-8000-1f64111bc63e" }
-    let(:params) { { payment: File.read("spec/fixtures/payment.json") } }
     let(:url) { "https://api.yookassa.ru/v3/payments/#{payment_id}/capture" }
-    let(:body) { File.read("spec/fixtures/payment_response.json") }
 
-    before  { stub_request(:any, //).to_return(body: body) }
     subject { payment.capture(payment_id: payment_id, idempotency_key: idempotency_key) }
 
     it "sends a request" do
@@ -89,9 +85,7 @@ RSpec.describe Yookassa::Payment do
   describe "#cancel" do
     let(:payment_id) { "2490ded1-000f-5000-8000-1f64111bc63e" }
     let(:url) { "https://api.yookassa.ru/v3/payments/#{payment_id}/cancel" }
-    let(:body) { File.read("spec/fixtures/payment_response.json") }
 
-    before  { stub_request(:any, //).to_return(body: body) }
     subject { payment.cancel(payment_id: payment_id, idempotency_key: idempotency_key) }
 
     it "sends a request" do
diff --git a/spec/yookassa/refund_spec.rb b/spec/yookassa/refund_spec.rb
index b1c6b7c..935a6db 100644
--- a/spec/yookassa/refund_spec.rb
+++ b/spec/yookassa/refund_spec.rb
@@ -3,7 +3,10 @@
 RSpec.describe Yookassa::Refund do
   let(:settings) { { shop_id: "SHOP_ID", api_key: "API_KEY" } }
   let(:idempotency_key) { 12_345 }
-  let(:payment) { described_class.new(settings) }
+  let(:payment) { described_class.new(**settings) }
+  let(:body) { File.read("spec/fixtures/refund_response.json") }
+
+  before { stub_request(:any, //).to_return(body: body, headers: { "Content-Type" => "application/json" }) }
 
   shared_examples "returns_refund_object" do
     it "returns success" do
@@ -21,11 +24,9 @@ RSpec.describe Yookassa::Refund do
   end
 
   describe "#create" do
-    let(:payload) { File.read("spec/fixtures/refund.json") }
+    let(:payload) { JSON.parse(File.read("spec/fixtures/refund.json")) }
     let(:url) { "https://api.yookassa.ru/v3/refunds" }
-    let(:body) { File.read("spec/fixtures/refund_response.json") }
 
-    before  { stub_request(:any, //).to_return(body: body) }
     subject { payment.create(payload: payload, idempotency_key: idempotency_key) }
 
     it "sends a request" do
@@ -39,9 +40,7 @@ RSpec.describe Yookassa::Refund do
   describe "#get_refund_info" do
     let(:payment_id) { "2490ded1-000f-5000-8000-1f64111bc63e" }
     let(:url) { "https://api.yookassa.ru/v3/refunds/#{payment_id}" }
-    let(:body) { File.read("spec/fixtures/refund_response.json") }
 
-    before  { stub_request(:any, //).to_return(body: body) }
     subject { payment.get_refund_info(payment_id: payment_id) }
 
     it "sends a request" do
diff --git a/yookassa.gemspec b/yookassa.gemspec
index ef95cd9..181bf86 100644
--- a/yookassa.gemspec
+++ b/yookassa.gemspec
@@ -22,11 +22,12 @@ Gem::Specification.new do |spec|
 
   spec.required_ruby_version = ">= 2.6"
 
-  spec.add_runtime_dependency "evil-client", "~> 3.0"
+  spec.add_runtime_dependency "dry-initializer"
+  spec.add_runtime_dependency "http", "~> 5.0.1"
 
   spec.add_development_dependency "rake", ">= 10.0"
   spec.add_development_dependency "rspec", "~> 3.5"
   spec.add_development_dependency "rubocop", "~> 0.71"
   spec.add_development_dependency "simplecov", "~> 0.16"
-  spec.add_development_dependency "webmock", "~> 3.5"
+  spec.add_development_dependency "webmock", "~> 3.14"
 end