diff --git a/MANIFEST.in b/MANIFEST.in
index 4563072..986c374 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,5 +1,5 @@
 include *.txt *.ini *.cfg *.rst
 include LICENSE VERSION
 
-recursive-include daybed *.py *.rx *.feature
+recursive-include daybed *.py *.mo *.rx *.feature
 global-exclude *.pyc
diff --git a/Makefile b/Makefile
index b032e61..de8e32f 100644
--- a/Makefile
+++ b/Makefile
@@ -41,3 +41,11 @@ tests-failfast: install-dev
 
 serve: install install-dev
 	$(VENV)/bin/pserve conf/development.ini --reload
+
+
+makemessages: install install-dev
+	$(VENV)/bin/pot-create -o daybed/locale/daybed.pot daybed/
+	msgmerge --update daybed/locale/fr/LC_MESSAGES/daybed.po daybed/locale/daybed.pot
+
+compilemessages:
+	msgfmt daybed/locale/fr/LC_MESSAGES/daybed.po -o daybed/locale/fr/LC_MESSAGES/daybed.mo
diff --git a/conf/development.ini b/conf/development.ini
index 68de870..3f14a24 100644
--- a/conf/development.ini
+++ b/conf/development.ini
@@ -2,6 +2,7 @@
 use = egg:daybed
 pyramid.includes = pyramid_debugtoolbar
 pyramid.debug_notfound = true
+pyramid.default_locale_name = en
 
 # Backend configuration
 daybed.backend = daybed.backends.redis.RedisBackend
diff --git a/conf/docker.ini b/conf/docker.ini
index 1b9ee8d..8333b81 100644
--- a/conf/docker.ini
+++ b/conf/docker.ini
@@ -1,5 +1,6 @@
 [app:main]
 use = egg:daybed
+pyramid.default_locale_name = en
 
 # Backend configuration
 daybed.backend = ${BACKEND_ENGINE}
diff --git a/daybed/__init__.py b/daybed/__init__.py
index e2250b9..01150d2 100644
--- a/daybed/__init__.py
+++ b/daybed/__init__.py
@@ -4,12 +4,6 @@
 import logging
 import pkg_resources
 
-
-#: Module version, as defined in PEP-0396.
-__version__ = pkg_resources.get_distribution(__package__).version
-
-logger = logging.getLogger(__name__)
-
 import six
 from cornice import Service
 from pyramid import httpexceptions
@@ -17,10 +11,24 @@
 from pyramid.events import NewRequest
 from pyramid.renderers import JSONP
 from pyramid.authentication import BasicAuthAuthenticationPolicy
+from pyramid.i18n import TranslationStringFactory
 
 from pyramid_hawkauth import HawkAuthenticationPolicy
 from pyramid_multiauth import MultiAuthenticationPolicy
 
+#: Module version, as defined in PEP-0396.
+__version__ = pkg_resources.get_distribution(__package__).version
+
+# API main version
+API_VERSION = 'v%s' % __version__.split('.')[0]
+
+# Common logger
+logger = logging.getLogger(__name__)
+
+# Common TranslationString
+TranslationString = TranslationStringFactory(__name__)
+
+
 from daybed.permissions import (
     RootFactory, DaybedAuthorizationPolicy, get_credentials, check_credentials
 )
@@ -29,9 +37,6 @@
 from daybed import indexer, events
 
 
-API_VERSION = 'v%s' % __version__.split('.')[0]
-
-
 def settings_expandvars(settings):
     """Expands all environment variables in a settings dictionary.
     """
@@ -170,6 +175,24 @@ def attach_objects_to_request(event):
 
     config.add_subscriber(attach_objects_to_request, NewRequest)
 
+    # i18n
+
+    def set_default_locale(event):
+        request = event.request
+        if not request.accept_language:
+            return
+        available = ('en', 'fr')
+        accepted = request.accept_language
+        default = request.registry.settings.get('pyramid.default_locale_name')
+        request._LOCALE_ = accepted.best_match(available, default)
+        request.tr = request.localizer.translate
+
+    config.add_subscriber(set_default_locale, NewRequest)
+    config.add_translation_dirs(
+        'daybed:locale',
+        'colander:locale'
+    )
+
     # Plugins
 
     try:
diff --git a/daybed/locale/daybed.pot b/daybed/locale/daybed.pot
new file mode 100644
index 0000000..855941a
--- /dev/null
+++ b/daybed/locale/daybed.pot
@@ -0,0 +1,108 @@
+# 
+# SOME DESCRIPTIVE TITLE
+# This file is distributed under the same license as the PACKAGE package.
+# FIRST AUTHOR <EMAIL@ADDRESS>, 2014.
+#, fuzzy
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE 1.0\n"
+"POT-Creation-Date: 2014-11-06 00:13+0100\n"
+"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
+"Last-Translator: FULL NAME <EMAIL@ADDRESS\n"
+"Language-Team: LANGUAGE <LL@li.org>\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: \n"
+
+#: ./daybed/views/hello.py:12
+msgid "hello"
+msgstr ""
+
+#: ./daybed/schemas/geom.py:126
+msgid "A point"
+msgstr ""
+
+#: ./daybed/schemas/geom.py:141
+msgid "A line made of points"
+msgstr ""
+
+#: ./daybed/schemas/geom.py:163
+msgid "A polygon made of a closed line"
+msgstr ""
+
+#: ./daybed/schemas/geom.py:217
+msgid "A GeoJSON geometry"
+msgstr ""
+
+#: ./daybed/schemas/object.py:34
+msgid "An object"
+msgstr ""
+
+#: ./daybed/schemas/json.py:36
+msgid "A JSON value"
+msgstr ""
+
+#: ./daybed/schemas/list.py:21
+msgid "A list of objects"
+msgstr ""
+
+#: ./daybed/schemas/relations.py:43
+msgid "A choice among records"
+msgstr ""
+
+#: ./daybed/schemas/relations.py:63
+msgid "Some choices among records"
+msgstr ""
+
+#: ./daybed/schemas/base.py:39
+msgid "An integer"
+msgstr ""
+
+#: ./daybed/schemas/base.py:45
+msgid "A set of characters"
+msgstr ""
+
+#: ./daybed/schemas/base.py:51
+msgid "A text"
+msgstr ""
+
+#: ./daybed/schemas/base.py:71
+msgid "A decimal number"
+msgstr ""
+
+#: ./daybed/schemas/base.py:77
+msgid "True or false"
+msgstr ""
+
+#: ./daybed/schemas/base.py:83
+msgid "A choice among values"
+msgstr ""
+
+#: ./daybed/schemas/base.py:101
+msgid "Some choices among values"
+msgstr ""
+
+#: ./daybed/schemas/base.py:119
+msgid "A number with limits"
+msgstr ""
+
+#: ./daybed/schemas/base.py:139
+msgid "A string matching a pattern"
+msgstr ""
+
+#: ./daybed/schemas/base.py:157
+msgid "A valid email"
+msgstr ""
+
+#: ./daybed/schemas/base.py:169
+msgid "A valid URL"
+msgstr ""
+
+#: ./daybed/schemas/base.py:213
+msgid "A date (yyyy-mm-dd)"
+msgstr ""
+
+#: ./daybed/schemas/base.py:224
+msgid "A date with time (yyyy-mm-ddTHH:MM)"
+msgstr ""
diff --git a/daybed/locale/fr/LC_MESSAGES/daybed.mo b/daybed/locale/fr/LC_MESSAGES/daybed.mo
new file mode 100644
index 0000000..aeda0ec
Binary files /dev/null and b/daybed/locale/fr/LC_MESSAGES/daybed.mo differ
diff --git a/daybed/locale/fr/LC_MESSAGES/daybed.po b/daybed/locale/fr/LC_MESSAGES/daybed.po
new file mode 100644
index 0000000..ff5ca4a
--- /dev/null
+++ b/daybed/locale/fr/LC_MESSAGES/daybed.po
@@ -0,0 +1,108 @@
+#
+# French translations for PACKAGE package
+# This file is distributed under the same license as the PACKAGE package.
+# Mathieu Leplatre <contact@mathieu-leplatre.info>, 2014.
+msgid ""
+msgstr ""
+"Project-Id-Version: PACKAGE 1.0\n"
+"POT-Creation-Date: 2014-11-06 00:13+0100\n"
+"PO-Revision-Date: 2014-11-06 00:13+0100\n"
+"Last-Translator: Mathieu Leplatre <contact@mathieu-leplatre.info>\n"
+"Language-Team: French\n"
+"Language: fr\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Plural-Forms: nplurals=2; plural=(n > 1);\n"
+
+#: daybed/views/hello.py:12
+msgid "hello"
+msgstr "bonjour"
+
+#: daybed/schemas/geom.py:126
+msgid "A point"
+msgstr "Un point"
+
+#: daybed/schemas/geom.py:141
+msgid "A line made of points"
+msgstr "Une ligne faite de points"
+
+#: daybed/schemas/geom.py:163
+msgid "A polygon made of a closed line"
+msgstr "Un polygone fait d'une ligne fermée"
+
+#: daybed/schemas/geom.py:217
+msgid "A GeoJSON geometry"
+msgstr "Une géométrie GeoJSON"
+
+#: daybed/schemas/object.py:34
+msgid "An object"
+msgstr "Un objet"
+
+#: daybed/schemas/json.py:36
+msgid "A JSON value"
+msgstr "Une valeur JSON"
+
+#: daybed/schemas/list.py:21
+msgid "A list of objects"
+msgstr "Une liste d'objets"
+
+#: daybed/schemas/relations.py:43
+msgid "A choice among records"
+msgstr "Un choix parmi des enregistrements"
+
+#: daybed/schemas/relations.py:63
+msgid "Some choices among records"
+msgstr "Des choix parmi des enregistrements"
+
+#: daybed/schemas/base.py:39
+msgid "An integer"
+msgstr "Un entier"
+
+#: daybed/schemas/base.py:45
+msgid "A set of characters"
+msgstr "Une chaîne de caractères"
+
+#: daybed/schemas/base.py:51
+msgid "A text"
+msgstr "Un texte"
+
+#: daybed/schemas/base.py:71
+msgid "A decimal number"
+msgstr "Un nombre décimal"
+
+#: daybed/schemas/base.py:77
+msgid "True or false"
+msgstr "Vrai ou Faux"
+
+#: daybed/schemas/base.py:83
+msgid "A choice among values"
+msgstr "Un choix parmi des valeurs"
+
+#: daybed/schemas/base.py:101
+msgid "Some choices among values"
+msgstr "Des choix parmi des valeurs"
+
+#: daybed/schemas/base.py:119
+msgid "A number with limits"
+msgstr "Un nombre borné"
+
+#: daybed/schemas/base.py:139
+msgid "A string matching a pattern"
+msgstr "Une chaîne respectant un masque"
+
+#: daybed/schemas/base.py:157
+msgid "A valid email"
+msgstr "Un email valide"
+
+#: daybed/schemas/base.py:169
+msgid "A valid URL"
+msgstr "Une URL valide"
+
+#: daybed/schemas/base.py:213
+msgid "A date (yyyy-mm-dd)"
+msgstr "Une date (aaaa-mm-jj)"
+
+#: daybed/schemas/base.py:224
+msgid "A date with time (yyyy-mm-ddTHH:MM)"
+msgstr "Une date avec heure (aaaa-mm-jjTHH:MM)"
diff --git a/daybed/schemas/base.py b/daybed/schemas/base.py
index 1a833c2..3319ab0 100644
--- a/daybed/schemas/base.py
+++ b/daybed/schemas/base.py
@@ -1,7 +1,7 @@
 import re
 import datetime
 
-from pyramid.i18n import TranslationString as _
+from daybed import TranslationString as _
 from colander import (
     deferred,
     SchemaNode,
diff --git a/daybed/schemas/geom.py b/daybed/schemas/geom.py
index 90baa20..d752f61 100644
--- a/daybed/schemas/geom.py
+++ b/daybed/schemas/geom.py
@@ -1,7 +1,7 @@
 from __future__ import absolute_import
 import json
 
-from pyramid.i18n import TranslationString as _
+from daybed import TranslationString as _
 import six
 from colander import (
     SchemaNode,
diff --git a/daybed/schemas/json.py b/daybed/schemas/json.py
index 5f6514a..9c87d31 100644
--- a/daybed/schemas/json.py
+++ b/daybed/schemas/json.py
@@ -2,7 +2,7 @@
 import re
 import json
 
-from pyramid.i18n import TranslationString as _
+from daybed import TranslationString as _
 import six
 from colander import Sequence, null, Invalid, List, Mapping
 
diff --git a/daybed/schemas/list.py b/daybed/schemas/list.py
index daaf26c..56664ca 100644
--- a/daybed/schemas/list.py
+++ b/daybed/schemas/list.py
@@ -1,4 +1,4 @@
-from pyramid.i18n import TranslationString as _
+from daybed import TranslationString as _
 from colander import SchemaNode, Sequence, drop
 
 from . import TypeFieldNode
diff --git a/daybed/schemas/object.py b/daybed/schemas/object.py
index 5d83afe..080d475 100644
--- a/daybed/schemas/object.py
+++ b/daybed/schemas/object.py
@@ -1,6 +1,6 @@
 import six
 
-from pyramid.i18n import TranslationString as _
+from daybed import TranslationString as _
 from colander import (Sequence, SchemaNode, Length, String, drop, Invalid)
 
 from daybed.backends.exceptions import ModelNotFound
diff --git a/daybed/schemas/relations.py b/daybed/schemas/relations.py
index addbbc7..ce5d3d2 100644
--- a/daybed/schemas/relations.py
+++ b/daybed/schemas/relations.py
@@ -1,5 +1,5 @@
 import six
-from pyramid.i18n import TranslationString as _
+from daybed import TranslationString as _
 from colander import (String, SchemaNode, Invalid)
 
 from daybed.backends.exceptions import ModelNotFound, RecordNotFound
diff --git a/daybed/schemas/validators.py b/daybed/schemas/validators.py
index 6369097..e4d5444 100644
--- a/daybed/schemas/validators.py
+++ b/daybed/schemas/validators.py
@@ -151,7 +151,7 @@ def validate_against_schema(request, schema, data):
     except Invalid as e:
         # here we transform the errors we got from colander into cornice
         # errors
-        for field, error in e.asdict().items():
+        for field, error in e.asdict(translate=request.tr).items():
             request.errors.add('body', field, error)
 
 
diff --git a/daybed/tests/test_views.py b/daybed/tests/test_views.py
index 2fccb5d..8f6a264 100644
--- a/daybed/tests/test_views.py
+++ b/daybed/tests/test_views.py
@@ -73,6 +73,14 @@ def test_fields_are_listed(self):
                                     type="boolean",
                                     label="Gps")])
 
+    def test_fields_hints_are_translated(self):
+        response = self.app.get('/fields', headers={
+            'Accept-Language': 'fr-FR'
+        })
+        fields = response.json
+        textfield = [f for f in fields if f.get('name') == 'text'][0]
+        self.assertEqual(textfield['default_hint'], u'Un texte')
+
 
 class HelloViewTest(BaseWebTest):
 
@@ -82,6 +90,12 @@ def test_returns_info_about_url_and_version(self):
         self.assertEqual(response.json['url'], 'http://localhost')
         self.assertEqual(response.json['daybed'], 'hello')
 
+    def test_says_hello_in_french(self):
+        response = self.app.get('/', headers={
+            'Accept-Language': 'fr-FR'
+        })
+        self.assertEqual(response.json['daybed'], u'bonjour')
+
     def test_hello_uses_the_defined_http_scheme_if_defined(self):
         original_scheme = (self.app.app.registry.settings
                            .get('daybed.http_scheme'))
diff --git a/daybed/views/fields.py b/daybed/views/fields.py
index 4ba36bd..2eb7b2d 100644
--- a/daybed/views/fields.py
+++ b/daybed/views/fields.py
@@ -16,7 +16,7 @@ def list_fields(request):
     # Iterate registered field types
     for name in registry.names:
         typefield = registry.type(name)
-        field = dict(name=name, default_hint=typefield.hint)
+        field = dict(name=name, default_hint=request.tr(typefield.hint))
         # Describe field parameters using Colander children
         for parameter in registry.definition(name).children:
             if parameter.name not in common_params:
diff --git a/daybed/views/hello.py b/daybed/views/hello.py
index 7268490..23161c1 100644
--- a/daybed/views/hello.py
+++ b/daybed/views/hello.py
@@ -1,5 +1,6 @@
 from cornice import Service
 from daybed import __version__ as VERSION
+from daybed import TranslationString as _
 
 
 hello = Service(name="hello", path='/', description="Welcome")
@@ -8,6 +9,6 @@
 @hello.get()
 def get_hello(request):
     """Return information regarding the current instance."""
-    return dict(daybed='hello',
+    return dict(daybed=request.tr(_('hello')),
                 version=VERSION,
                 url=request.host_url)
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 499ae34..daa26a1 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -8,3 +8,5 @@ Mock
 tox
 flake8
 sphinx_rtd_theme
+Babel
+lingua
diff --git a/setup.py b/setup.py
index c744fca..9c963ef 100644
--- a/setup.py
+++ b/setup.py
@@ -54,6 +54,8 @@
     'authorization_header_py26#egg=CouchDB-0.10.1dev',
     'https://github.com/ametaireau/koremutake/tarball/'
     'py3k#egg=koremutake-1.1.0',
+    'https://github.com/Pylons/colander/tarball/'
+    'b354a5b327f95f6ac24fd70d63b7c8d04590510b#egg=colander-1.1dev'
 ]
 ENTRY_POINTS = {
     'paste.app_factory': [
diff --git a/tox.ini b/tox.ini
index 5ca3a89..f9367e7 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,6 +11,7 @@ deps =
     webtest
     unittest2
     mock
+    setuptools-git
 install_command = pip install --process-dependency-links --pre {opts} {packages}
 
 [testenv:py34]