diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0293ae5..82ca4ee 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
 # Changelog
 
 ## [Unreleased]
+### Added
+- Fetch all identity provider from https://registry.spid.gov.it
+- Parse and store metadata from single Identity Provider
 
 ## [0.2.2] - 2018-07-02
 ### Fixed
diff --git a/lib/spid.rb b/lib/spid.rb
index 19d5e60..e350c24 100644
--- a/lib/spid.rb
+++ b/lib/spid.rb
@@ -2,7 +2,9 @@
 
 require "spid/authn_request"
 require "spid/generate_authn_request"
+require "spid/identity_providers"
 require "spid/metadata"
+require "spid/idp_metadata"
 require "spid/version"
 
 module Spid # :nodoc:
diff --git a/lib/spid/identity_providers.rb b/lib/spid/identity_providers.rb
new file mode 100644
index 0000000..56715ae
--- /dev/null
+++ b/lib/spid/identity_providers.rb
@@ -0,0 +1,44 @@
+# frozen_string_literal: true
+
+require "faraday"
+require "faraday_middleware"
+
+module Spid
+  class IdentityProviders # :nodoc:
+    def self.fetch_all
+      new.fetch_all
+    end
+
+    def fetch_all
+      spid_idp_entities.map do |idp|
+        {
+          name: idp["entity_name"].gsub(/ ID$/, "").downcase,
+          metadata_url: idp["metadata_url"],
+          entity_id: idp["entity_id"]
+        }
+      end
+    end
+
+    private
+
+    def spid_idp_entities
+      return [] if response.body["spidFederationRegistry"].blank?
+      response.body["spidFederationRegistry"]["entities"]
+    end
+
+    def response
+      connection.get do |req|
+        req.url "/api/identity-providers"
+        req.headers["Accept"] = "application/json"
+      end
+    end
+
+    def connection
+      Faraday.new("https://registry.spid.gov.it") do |conn|
+        conn.response :json, content_type: /\bjson$/
+
+        conn.adapter Faraday.default_adapter
+      end
+    end
+  end
+end
diff --git a/lib/spid/idp_metadata.rb b/lib/spid/idp_metadata.rb
new file mode 100644
index 0000000..4e512ea
--- /dev/null
+++ b/lib/spid/idp_metadata.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+
+require "singleton"
+require "onelogin/ruby-saml/idp_metadata_parser"
+
+module Spid
+  class IdpMetadata # :nodoc:
+    include Singleton
+
+    def initialize
+      @identity_providers = Spid::IdentityProviders.fetch_all
+      @metadata = {}
+    end
+
+    def [](idp_name)
+      return @metadata[idp_name] if @metadata[idp_name].present?
+      idp_hash = identity_provider_hash(idp_name)
+
+      @metadata[idp_name] = parser.parse_remote_to_hash(
+        idp_hash[:metadata_url],
+        idp_hash[:metadata_url].start_with?("https://")
+      )
+      @metadata[idp_name]
+    end
+
+    def identity_provider_hash(idp_name)
+      @identity_providers.find do |idp|
+        idp[:name] == idp_name.to_s
+      end
+    end
+
+    private
+
+    def parser
+      @parser ||= ::OneLogin::RubySaml::IdpMetadataParser.new
+    end
+  end
+end
diff --git a/spec/cassettes/Spid_IdentityProviders/_fetch_all/returns_an_array_of_identity_providers.yml b/spec/cassettes/Spid_IdentityProviders/_fetch_all/returns_an_array_of_identity_providers.yml
new file mode 100644
index 0000000..274dbf2
--- /dev/null
+++ b/spec/cassettes/Spid_IdentityProviders/_fetch_all/returns_an_array_of_identity_providers.yml
@@ -0,0 +1,113 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://registry.spid.gov.it/api/identity-providers
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      User-Agent:
+      - Faraday v0.15.2
+      Accept:
+      - application/json
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Server:
+      - nginx/1.10.3 (Ubuntu)
+      Date:
+      - Fri, 06 Jul 2018 14:01:51 GMT
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      X-Api-Version:
+      - '1'
+      Cache-Control:
+      - no-cache
+      Vary:
+      - accept-encoding
+      Strict-Transport-Security:
+      - max-age=15768000; preload
+      X-Frame-Options:
+      - DENY
+      X-Content-Type-Options:
+      - nosniff
+      X-Xss-Protection:
+      - 1; mode=block
+    body:
+      encoding: ASCII-8BIT
+      string: '{"spidFederationRegistry":{"totalEntities":8,"date":"06/07/2018 16:01:51","entities":[{"ipa_entity_code":"idp_1","entity_id":"https://identity.infocert.it","entity_name":"Infocert
+        ID","metadata_url":"https://identity.infocert.it/metadata/metadata.xml","entity_type":"IdP"},{"ipa_entity_code":"idp_2","entity_id":"https://posteid.poste.it","entity_name":"Poste
+        ID","metadata_url":"http://posteid.poste.it/jod-fs/metadata/metadata.xml","entity_type":"IdP"},{"ipa_entity_code":"idp_3","entity_id":"https://login.id.tim.it/affwebservices/public/saml2sso","entity_name":"Tim
+        ID","metadata_url":"https://login.id.tim.it/spid-services/MetadataBrowser/idp","entity_type":"IdP"},{"ipa_entity_code":"idp_4","entity_id":"https://identity.sieltecloud.it","entity_name":"Sielte
+        ID","metadata_url":"https://identity.sieltecloud.it/simplesaml/metadata.xml","entity_type":"IdP"},{"ipa_entity_code":"idp_5","entity_id":"https://loginspid.aruba.it","entity_name":"Aruba
+        ID","metadata_url":"https://loginspid.aruba.it/metadata","entity_type":"IdP"},{"ipa_entity_code":"idp_6","entity_id":"https://idp.namirialtsp.com/idp","entity_name":"Namirial
+        ID","metadata_url":"https://idp.namirialtsp.com/idp/metadata","entity_type":"IdP"},{"ipa_entity_code":"idp_7","entity_id":"https://spid.register.it","entity_name":"SPIDItalia
+        Register.it","metadata_url":"https://spid.register.it/login/metadata","entity_type":"IdP"},{"ipa_entity_code":"idp_8","entity_id":"https://spid.intesa.it","entity_name":"Intesa
+        ID","metadata_url":"https://spid.intesa.it/metadata/metadata.xml","entity_type":"IdP"}]}}'
+    http_version: 
+  recorded_at: Fri, 06 Jul 2018 14:01:51 GMT
+- request:
+    method: get
+    uri: https://registry.spid.gov.it/api/identity-providers
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      User-Agent:
+      - Faraday v0.15.2
+      Accept:
+      - application/json
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Server:
+      - nginx/1.10.3 (Ubuntu)
+      Date:
+      - Fri, 06 Jul 2018 14:01:51 GMT
+      Content-Type:
+      - application/json; charset=utf-8
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      X-Api-Version:
+      - '1'
+      Cache-Control:
+      - no-cache
+      Vary:
+      - accept-encoding
+      Strict-Transport-Security:
+      - max-age=15768000; preload
+      X-Frame-Options:
+      - DENY
+      X-Content-Type-Options:
+      - nosniff
+      X-Xss-Protection:
+      - 1; mode=block
+    body:
+      encoding: ASCII-8BIT
+      string: '{"spidFederationRegistry":{"totalEntities":8,"date":"06/07/2018 16:01:51","entities":[{"ipa_entity_code":"idp_1","entity_id":"https://identity.infocert.it","entity_name":"Infocert
+        ID","metadata_url":"https://identity.infocert.it/metadata/metadata.xml","entity_type":"IdP"},{"ipa_entity_code":"idp_2","entity_id":"https://posteid.poste.it","entity_name":"Poste
+        ID","metadata_url":"http://posteid.poste.it/jod-fs/metadata/metadata.xml","entity_type":"IdP"},{"ipa_entity_code":"idp_3","entity_id":"https://login.id.tim.it/affwebservices/public/saml2sso","entity_name":"Tim
+        ID","metadata_url":"https://login.id.tim.it/spid-services/MetadataBrowser/idp","entity_type":"IdP"},{"ipa_entity_code":"idp_4","entity_id":"https://identity.sieltecloud.it","entity_name":"Sielte
+        ID","metadata_url":"https://identity.sieltecloud.it/simplesaml/metadata.xml","entity_type":"IdP"},{"ipa_entity_code":"idp_5","entity_id":"https://loginspid.aruba.it","entity_name":"Aruba
+        ID","metadata_url":"https://loginspid.aruba.it/metadata","entity_type":"IdP"},{"ipa_entity_code":"idp_6","entity_id":"https://idp.namirialtsp.com/idp","entity_name":"Namirial
+        ID","metadata_url":"https://idp.namirialtsp.com/idp/metadata","entity_type":"IdP"},{"ipa_entity_code":"idp_7","entity_id":"https://spid.register.it","entity_name":"SPIDItalia
+        Register.it","metadata_url":"https://spid.register.it/login/metadata","entity_type":"IdP"},{"ipa_entity_code":"idp_8","entity_id":"https://spid.intesa.it","entity_name":"Intesa
+        ID","metadata_url":"https://spid.intesa.it/metadata/metadata.xml","entity_type":"IdP"}]}}'
+    http_version: 
+  recorded_at: Fri, 06 Jul 2018 14:01:52 GMT
+recorded_with: VCR 4.0.0
diff --git a/spec/cassettes/Spid_IdpMetadata/_/returns_metadata_of_selected_provider.yml b/spec/cassettes/Spid_IdpMetadata/_/returns_metadata_of_selected_provider.yml
new file mode 100644
index 0000000..f3137df
--- /dev/null
+++ b/spec/cassettes/Spid_IdpMetadata/_/returns_metadata_of_selected_provider.yml
@@ -0,0 +1,47 @@
+---
+http_interactions:
+- request:
+    method: get
+    uri: https://loginspid.aruba.it/metadata
+    body:
+      encoding: US-ASCII
+      string: ''
+    headers:
+      Accept-Encoding:
+      - gzip;q=1.0,deflate;q=0.6,identity;q=0.3
+      Accept:
+      - "*/*"
+      User-Agent:
+      - Ruby
+  response:
+    status:
+      code: 200
+      message: OK
+    headers:
+      Server:
+      - nginx/1.10.3
+      Date:
+      - Fri, 06 Jul 2018 14:27:12 GMT
+      Content-Type:
+      - text/xml
+      Transfer-Encoding:
+      - chunked
+      Connection:
+      - keep-alive
+      Cache-Control:
+      - no-cache
+      - no-cache, no-store, must-revalidate
+      Pragma:
+      - no-cache
+      - no-cache
+      Expires:
+      - "-1"
+      Content-Disposition:
+      - inline
+    body:
+      encoding: ASCII-8BIT
+      string: !binary |-
+        <?xml version="1.0" encoding="UTF-8"?>
<md:EntityDescriptor ID="_89c0fe2b-c933-4a82-8d45-f1c1ba022125" entityID="https://loginspid.aruba.it" xmlns:md="urn:oasis:names:tc:SAML:2.0:metadata"><ds:Signature xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:SignedInfo><ds:CanonicalizationMethod Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/><ds:SignatureMethod Algorithm="http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"/><ds:Reference URI="#_89c0fe2b-c933-4a82-8d45-f1c1ba022125"><ds:Transforms><ds:Transform Algorithm="http://www.w3.org/2000/09/xmldsig#enveloped-signature"/><ds:Transform Algorithm="http://www.w3.org/2001/10/xml-exc-c14n#"/></ds:Transforms><ds:DigestMethod Algorithm="http://www.w3.org/2001/04/xmlenc#sha256"/><ds:DigestValue>pJ7R9tQoEYueduuQ45jp2NMsfTn+vYbxg6r/qYjZnes=</ds:DigestValue></ds:Reference></ds:SignedInfo><ds:SignatureValue>VQa+gEU+nruZNNUMr+MY7fZoD7MAyiHdVTF8fUKyaf1fNjF3gVLFmHIEQymFeVEzBf0xJS7cRpDzEGTXdZPJi64U4kpGX45EyAnoQBOpG/uwNwnrnhfqrO6R0UCl4eCowbIxFnFRAs48sshuNXYrmWjk5rK7C+u6YLCRvYymEhWm6rh5+Q+0dr82ePP47J/pUdSbIQJxt9DhFmP9nGfxqd/sVnlP4tGyf+vu1u1nQKPj/QpN44FX+4nAKAwgI3JmuzAQyfV1BIFseDmjEWaUJpYSGjQ0b45kBCIG8FMrKggPzWm9AD36560OhfRkkASHvM4uX569LJQCCt1ed2UMlQ==</ds:SignatureValue><ds:KeyInfo><ds:X509Data><ds:X509Certificate>MIIExTCCA62gAwIBAgIQIHtEvEhGM77HwqsuvSbi9zANBgkqhkiG9w0BAQsFADBsMQswCQYDVQQG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</ds:X509Certificate></ds:X509Data></ds:KeyInfo></ds:Signature><md:IDPSSODescriptor WantAuthnRequestsSigned="true" protocolSupportEnumeration="urn:oasis:names:tc:SAML:2.0:protocol"><md:KeyDescriptor use="signing"><ds:KeyInfo xmlns:ds="http://www.w3.org/2000/09/xmldsig#"><ds:X509Data><ds:X509Certificate>MIIExTCCA62gAwIBAgIQIHtEvEhGM77HwqsuvSbi9zANBgkqhkiG9w0BAQsFADBsMQswCQYDVQQG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</ds:X509Certificate></ds:X509Data></ds:KeyInfo></md:KeyDescriptor><md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://loginspid.aruba.it/ServiceLogoutRequest"/><md:SingleLogoutService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect" Location="https://loginspid.aruba.it/ServiceLogoutRequest"/><md:NameIDFormat>urn:oasis:names:tc:SAML:2.0:nameid-format:transient</md:NameIDFormat><md:SingleSignOnService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-POST" Location="https://loginspid.aruba.it/ServiceLoginWelcome"/><md:SingleSignOnService Binding="urn:oasis:names:tc:SAML:2.0:bindings:HTTP-Redirect" Location="https://loginspid.aruba.it/ServiceLoginWelcome"/><saml2:Attribute FriendlyName="Codice identificativo SPID" Name="spidCode" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Nome" Name="name" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Cognome" Name="familyName" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Luogo di nascita" Name="placeOfBirth" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Provincia di nascita" Name="countyOfBirth" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Data di nascita" Name="dateOfBirth" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Sesso" Name="gender" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Ragione o denominazione sociale" Name="companyName" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Sede legale" Name="registeredOffice" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Codice fiscale" Name="fiscalNumber" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Partita IVA" Name="ivaCode" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Documento d'identità" Name="idCard" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Numero di telefono mobile" Name="mobilePhone" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Indirizzo di posta elettronica" Name="email" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Domicilio fisico" Name="address" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Data di scadenza identità" Name="expirationDate" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/><saml2:Attribute FriendlyName="Domicilio digitale" Name="digitalAddress" xmlns:saml2="urn:oasis:names:tc:SAML:2.0:assertion"/></md:IDPSSODescriptor><md:Organization><md:OrganizationName xml:lang="it">ArubaPEC S.p.A.</md:OrganizationName><md:OrganizationDisplayName xml:lang="it">ArubaPEC S.p.A.</md:OrganizationDisplayName><md:OrganizationURL xml:lang="it">https://www.pec.it/</md:OrganizationURL></md:Organization></md:EntityDescriptor>
+    http_version: 
+  recorded_at: Fri, 06 Jul 2018 14:27:13 GMT
+recorded_with: VCR 4.0.0
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index 0957269..e967ed3 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -18,11 +18,18 @@
 require "bundler/setup"
 require "spid"
 require "nokogiri"
+require "vcr"
 
 Dir[File.join("./spec/support/**/*.rb")].each { |f| require f }
 
 ENV["ruby-saml/testing"] = "true" # disable ruby-saml logging
 
+VCR.configure do |c|
+  c.cassette_library_dir = "spec/cassettes"
+  c.hook_into :webmock
+  c.configure_rspec_metadata!
+end
+
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure
   config.example_status_persistence_file_path = ".rspec_status"
diff --git a/spec/spid/identity_providers_spec.rb b/spec/spid/identity_providers_spec.rb
new file mode 100644
index 0000000..13ea5f1
--- /dev/null
+++ b/spec/spid/identity_providers_spec.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe Spid::IdentityProviders do
+  it { is_expected.to be_a described_class }
+
+  describe ".fetch_all" do
+    let(:result) { described_class.fetch_all }
+
+    it "returns an array of identity providers", :vcr do
+      expect(result).to include a_hash_including(
+        name: "aruba",
+        entity_id: "https://loginspid.aruba.it",
+        metadata_url: "https://loginspid.aruba.it/metadata"
+      )
+    end
+  end
+end
diff --git a/spec/spid/idp_metadata_spec.rb b/spec/spid/idp_metadata_spec.rb
new file mode 100644
index 0000000..c21b054
--- /dev/null
+++ b/spec/spid/idp_metadata_spec.rb
@@ -0,0 +1,30 @@
+# frozen_string_literal: true
+
+require "spec_helper"
+
+RSpec.describe Spid::IdpMetadata do
+  subject(:idp_metadata) { described_class.instance }
+
+  before do
+    allow(Spid::IdentityProviders).to receive(:fetch_all).and_return(
+      [
+        {
+          name: "aruba",
+          entity_id: "https://loginspid.aruba.it",
+          metadata_url: "https://loginspid.aruba.it/metadata"
+        }
+      ]
+    )
+  end
+
+  it { is_expected.to be_a described_class }
+
+  describe ".[]" do
+    it "returns metadata of selected provider", :vcr do
+      aruba_metadata = idp_metadata[:aruba]
+      expect(aruba_metadata).to be_a Object
+    end
+
+    xcontext "providing a non existing identity provider code"
+  end
+end
diff --git a/spid.gemspec b/spid.gemspec
index 6ecaae6..5665a96 100644
--- a/spid.gemspec
+++ b/spid.gemspec
@@ -30,10 +30,14 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", "~> 1.16"
   spec.add_development_dependency "bundler-audit", "~> 0"
   spec.add_development_dependency "coveralls", "~> 0"
+  spec.add_development_dependency "faraday", "~> 0"
+  spec.add_development_dependency "faraday_middleware", "~> 0"
   spec.add_development_dependency "nokogiri", "~> 1.8", ">= 1.8.3"
   spec.add_development_dependency "pry", "~> 0"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "rspec", "~> 3.0"
   spec.add_development_dependency "rubocop", "0.57.2"
   spec.add_development_dependency "rubocop-rspec", "1.27.0"
+  spec.add_development_dependency "vcr", "~> 4.0", ">= 4.0.0"
+  spec.add_development_dependency "webmock", "~> 3.4", ">= 3.4.2"
 end