diff --git a/taiga/front/urls.py b/taiga/front/urls.py
index 393913e3..244e0a72 100644
--- a/taiga/front/urls.py
+++ b/taiga/front/urls.py
@@ -55,4 +55,6 @@ urls = {
     "project-transfer": "/project/{0}/transfer/{1}", # project.slug, project.transfer_token
 
     "project-admin": "/login?next=/project/{0}/admin/project-profile/details", # project.slug
+
+    "project-import-jira": "/project/new/import/jira?url={}",
 }
diff --git a/taiga/importers/exceptions.py b/taiga/importers/exceptions.py
index 0646095d..df78efd1 100644
--- a/taiga/importers/exceptions.py
+++ b/taiga/importers/exceptions.py
@@ -22,5 +22,8 @@ class InvalidRequest(Exception):
 class InvalidAuthResult(Exception):
     pass
 
+class InvalidServiceConfiguration(Exception):
+    pass
+
 class FailedRequest(Exception):
     pass
diff --git a/taiga/importers/jira/api.py b/taiga/importers/jira/api.py
index 9c5d0b4d..5606a732 100644
--- a/taiga/importers/jira/api.py
+++ b/taiga/importers/jira/api.py
@@ -13,6 +13,8 @@
 # You should have received a copy of the GNU Affero General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import uuid
+
 from django.utils.translation import ugettext as _
 from django.conf import settings
 
@@ -25,6 +27,7 @@ from taiga.users.services import get_user_photo_url
 from taiga.users.gravatar import get_user_gravatar_id
 
 from taiga.importers import permissions
+from taiga.importers import exceptions
 from taiga.importers.services import resolve_users_bindings
 from .normal import JiraNormalImporter
 from .agile import JiraAgileImporter
@@ -178,18 +181,21 @@ class JiraImporterViewSet(viewsets.ViewSet):
         if not jira_url:
             raise exc.WrongArguments(_("The url param is needed"))
 
-        (oauth_token, oauth_secret, url) = JiraNormalImporter.get_auth_url(
-            jira_url,
-            settings.IMPORTERS.get('jira', {}).get('consumer_key', None),
-            settings.IMPORTERS.get('jira', {}).get('cert', None),
-            True
-        )
+        try:
+            (oauth_token, oauth_secret, url) = JiraNormalImporter.get_auth_url(
+                jira_url,
+                settings.IMPORTERS.get('jira', {}).get('consumer_key', None),
+                settings.IMPORTERS.get('jira', {}).get('cert', None),
+                True
+            )
+        except exceptions.InvalidServiceConfiguration:
+            raise exc.BadRequest(_("Invalid Jira server configuration."))
 
         (auth_data, created) = AuthData.objects.get_or_create(
             user=request.user,
             key="jira-oauth",
             defaults={
-                "value": "",
+                "value": uuid.uuid4().hex,
                 "extra": {},
             }
         )
@@ -208,6 +214,7 @@ class JiraImporterViewSet(viewsets.ViewSet):
 
         try:
             oauth_data = request.user.auth_data.get(key="jira-oauth")
+            oauth_verifier = request.DATA.get("oauth_verifier", None)
             oauth_token = oauth_data.extra['oauth_token']
             oauth_secret = oauth_data.extra['oauth_secret']
             server_url = oauth_data.extra['url']
@@ -219,7 +226,8 @@ class JiraImporterViewSet(viewsets.ViewSet):
                 settings.IMPORTERS.get('jira', {}).get('cert', None),
                 oauth_token,
                 oauth_secret,
-                True
+                oauth_verifier,
+                False
             )
         except Exception as e:
             raise exc.WrongArguments(_("Invalid or expired auth token"))
diff --git a/taiga/importers/jira/common.py b/taiga/importers/jira/common.py
index f1ffa691..c4c6c3eb 100644
--- a/taiga/importers/jira/common.py
+++ b/taiga/importers/jira/common.py
@@ -17,12 +17,13 @@
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 import requests
-from urllib.parse import parse_qsl
+from urllib.parse import parse_qsl, quote_plus
 from oauthlib.oauth1 import SIGNATURE_RSA
 
 from requests_oauthlib import OAuth1
 from django.core.files.base import ContentFile
 from django.contrib.contenttypes.models import ContentType
+from django.conf import settings
 
 from taiga.users.models import User
 from taiga.projects.models import Points
@@ -45,6 +46,8 @@ from taiga.projects.custom_attributes.models import (UserStoryCustomAttribute,
 from taiga.projects.history.models import HistoryEntry
 from taiga.projects.history.choices import HistoryType
 from taiga.mdrender.service import render as mdrender
+from taiga.importers import exceptions
+from taiga.front.templatetags.functions import resolve as resolve_front_url
 
 EPIC_COLORS = {
     "ghx-label-0": "#ffffff",
@@ -734,9 +737,13 @@ class JiraImporterCommon:
         if verify is None:
             verify = server.startswith('https')
 
-        oauth = OAuth1(consumer_key, signature_method=SIGNATURE_RSA, rsa_key=key_cert_data)
+        callback_uri = resolve_front_url("project-import-jira", quote_plus(server))
+        oauth = OAuth1(consumer_key, signature_method=SIGNATURE_RSA, rsa_key=key_cert_data, callback_uri=callback_uri)
+
         r = requests.post(
             server + '/plugins/servlet/oauth/request-token', verify=verify, auth=oauth)
+        if r.status_code != 200:
+            raise exceptions.InvalidServiceConfiguration()
         request = dict(parse_qsl(r.text))
         request_token = request['oauth_token']
         request_token_secret = request['oauth_token_secret']
@@ -748,13 +755,16 @@ class JiraImporterCommon:
         )
 
     @classmethod
-    def get_access_token(cls, server, consumer_key, key_cert_data, request_token, request_token_secret, verify=False):
+    def get_access_token(cls, server, consumer_key, key_cert_data, request_token, request_token_secret, request_verifier, verify=False):
+        callback_uri = resolve_front_url("project-import-jira", quote_plus(server))
         oauth = OAuth1(
             consumer_key,
             signature_method=SIGNATURE_RSA,
+            callback_uri=callback_uri,
             rsa_key=key_cert_data,
             resource_owner_key=request_token,
-            resource_owner_secret=request_token_secret
+            resource_owner_secret=request_token_secret,
+            verifier=request_verifier,
         )
         r = requests.post(server + '/plugins/servlet/oauth/access-token', verify=verify, auth=oauth)
         access = dict(parse_qsl(r.text))
diff --git a/taiga/projects/references/api.py b/taiga/projects/references/api.py
index 10a08538..67cf9f1d 100644
--- a/taiga/projects/references/api.py
+++ b/taiga/projects/references/api.py
@@ -66,24 +66,34 @@ class ResolverViewSet(viewsets.ViewSet):
 
         if data["ref"]:
             ref_found = False  # No need to continue once one ref is found
-            if ref_found is False and user_has_perm(request.user, "view_epics", project):
-                epic = project.epics.filter(ref=data["ref"]).first()
-                if epic:
-                    result["epic"] = epic.pk
-                    ref_found = True
-            if user_has_perm(request.user, "view_us", project):
-                us = project.user_stories.filter(ref=data["ref"]).first()
-                if us:
-                    result["us"] = us.pk
-                    ref_found = True
-            if ref_found is False and user_has_perm(request.user, "view_tasks", project):
-                task = project.tasks.filter(ref=data["ref"]).first()
-                if task:
-                    result["task"] = task.pk
-                    ref_found = True
-            if ref_found is False and user_has_perm(request.user, "view_issues", project):
-                issue = project.issues.filter(ref=data["ref"]).first()
-                if issue:
-                    result["issue"] = issue.pk
+            try:
+                value = int(data["ref"])
+
+                if user_has_perm(request.user, "view_epics", project):
+                    epic = project.epics.filter(ref=value).first()
+                    if epic:
+                        result["epic"] = epic.pk
+                        ref_found = True
+                if ref_found is False and user_has_perm(request.user, "view_us", project):
+                    us = project.user_stories.filter(ref=value).first()
+                    if us:
+                        result["us"] = us.pk
+                        ref_found = True
+                if ref_found is False and user_has_perm(request.user, "view_tasks", project):
+                    task = project.tasks.filter(ref=value).first()
+                    if task:
+                        result["task"] = task.pk
+                        ref_found = True
+                if ref_found is False and user_has_perm(request.user, "view_issues", project):
+                    issue = project.issues.filter(ref=value).first()
+                    if issue:
+                        result["issue"] = issue.pk
+            except:
+                value = data["ref"]
+
+                if user_has_perm(request.user, "view_wiki_pages", project):
+                    wiki_page = project.wiki_pages.filter(slug=value).first()
+                    if wiki_page:
+                        result["wikipage"] = wiki_page.pk
 
         return response.Ok(result)
diff --git a/taiga/projects/references/validators.py b/taiga/projects/references/validators.py
index ad51e42c..3b2baba1 100644
--- a/taiga/projects/references/validators.py
+++ b/taiga/projects/references/validators.py
@@ -28,8 +28,8 @@ class ResolverValidator(validators.Validator):
     us = serializers.IntegerField(required=False)
     task = serializers.IntegerField(required=False)
     issue = serializers.IntegerField(required=False)
-    ref = serializers.IntegerField(required=False)
     wikipage = serializers.CharField(max_length=512, required=False)
+    ref = serializers.CharField(max_length=512, required=False)
 
     def validate(self, attrs):
         if "ref" in attrs:
@@ -41,5 +41,7 @@ class ResolverValidator(validators.Validator):
                 raise ValidationError("'task' param is incompatible with 'ref' in the same request")
             if "issue" in attrs:
                 raise ValidationError("'issue' param is incompatible with 'ref' in the same request")
+            if "wikipage" in attrs:
+                raise ValidationError("'wikipage' param is incompatible with 'ref' in the same request")
 
         return attrs
diff --git a/tests/integration/test_references_sequences.py b/tests/integration/test_references_sequences.py
index 7bb035de..24cf639b 100644
--- a/tests/integration/test_references_sequences.py
+++ b/tests/integration/test_references_sequences.py
@@ -191,3 +191,44 @@ def test_params_validation_in_api_request(client, refmodels):
     response = client.json.get("{}?project={}&ref={}&milestone={}".format(url, project.slug, us.ref,
                                                                           milestone.slug))
     assert response.status_code == 200
+
+
+@pytest.mark.django_db
+def test_by_ref_calls_in_api_request(client, refmodels):
+    refmodels.Reference.objects.all().delete()
+
+    user = factories.UserFactory.create()
+    project = factories.ProjectFactory.create(owner=user)
+    seqname1 = refmodels.make_sequence_name(project)
+    role = factories.RoleFactory.create(project=project)
+    factories.MembershipFactory.create(project=project, user=user, role=role, is_admin=True)
+
+    epic = factories.EpicFactory.create(project=project)
+    milestone = factories.MilestoneFactory.create(project=project)
+    us = factories.UserStoryFactory.create(project=project)
+    task = factories.TaskFactory.create(project=project)
+    issue = factories.IssueFactory.create(project=project)
+    wiki_page = factories.WikiPageFactory.create(project=project)
+
+    client.login(user)
+
+    url = reverse("resolver-list")
+    response = client.json.get("{}?project={}&ref={}".format(url, project.slug, epic.ref))
+    assert response.status_code == 200
+    assert response.data["epic"] == epic.id
+
+    response = client.json.get("{}?project={}&ref={}".format(url, project.slug, us.ref))
+    assert response.status_code == 200
+    assert response.data["us"] == us.id
+
+    response = client.json.get("{}?project={}&ref={}".format(url, project.slug, task.ref))
+    assert response.status_code == 200
+    assert response.data["task"] == task.id
+
+    response = client.json.get("{}?project={}&ref={}".format(url, project.slug, issue.ref))
+    assert response.status_code == 200
+    assert response.data["issue"] == issue.id
+
+    response = client.json.get("{}?project={}&ref={}".format(url, project.slug, wiki_page.slug))
+    assert response.status_code == 200
+    assert response.data["wikipage"] == wiki_page.id