diff --git a/core/server/api/canary/pages.js b/core/server/api/canary/pages.js
index bae973dd10..e98cacc019 100644
--- a/core/server/api/canary/pages.js
+++ b/core/server/api/canary/pages.js
@@ -85,12 +85,16 @@ module.exports = {
         statusCode: 201,
         headers: {},
         options: [
-            'include'
+            'include',
+            'source'
         ],
         validation: {
             options: {
                 include: {
                     values: ALLOWED_INCLUDES
+                },
+                source: {
+                    values: ['html']
                 }
             }
         },
@@ -117,6 +121,7 @@ module.exports = {
         options: [
             'include',
             'id',
+            'source',
             // NOTE: only for internal context
             'forUpdate',
             'transacting'
@@ -128,6 +133,9 @@ module.exports = {
                 },
                 id: {
                     required: true
+                },
+                source: {
+                    values: ['html']
                 }
             }
         },
diff --git a/core/server/api/v2/pages.js b/core/server/api/v2/pages.js
index bae973dd10..e98cacc019 100644
--- a/core/server/api/v2/pages.js
+++ b/core/server/api/v2/pages.js
@@ -85,12 +85,16 @@ module.exports = {
         statusCode: 201,
         headers: {},
         options: [
-            'include'
+            'include',
+            'source'
         ],
         validation: {
             options: {
                 include: {
                     values: ALLOWED_INCLUDES
+                },
+                source: {
+                    values: ['html']
                 }
             }
         },
@@ -117,6 +121,7 @@ module.exports = {
         options: [
             'include',
             'id',
+            'source',
             // NOTE: only for internal context
             'forUpdate',
             'transacting'
@@ -128,6 +133,9 @@ module.exports = {
                 },
                 id: {
                     required: true
+                },
+                source: {
+                    values: ['html']
                 }
             }
         },
diff --git a/core/test/regression/api/canary/admin/pages_spec.js b/core/test/regression/api/canary/admin/pages_spec.js
new file mode 100644
index 0000000000..d9d0fe175b
--- /dev/null
+++ b/core/test/regression/api/canary/admin/pages_spec.js
@@ -0,0 +1,47 @@
+const should = require('should');
+const supertest = require('supertest');
+const testUtils = require('../../../../utils');
+const config = require('../../../../../server/config');
+const localUtils = require('./utils');
+const ghost = testUtils.startGhost;
+let request;
+
+describe('Pages API', function () {
+    before(function () {
+        return ghost()
+            .then(function (_ghostServer) {
+                request = supertest.agent(config.get('url'));
+            })
+            .then(function () {
+                return localUtils.doAuth(request, 'posts');
+            });
+    });
+
+    describe('Edit', function () {
+        it('accepts html source', function () {
+            return request
+                .get(localUtils.API.getApiQuery(`pages/${testUtils.DataGenerator.Content.posts[5].id}/`))
+                .set('Origin', config.get('url'))
+                .expect(200)
+                .then((res) => {
+                    res.body.pages[0].slug.should.equal('static-page-test');
+
+                    return request
+                        .put(localUtils.API.getApiQuery('pages/' + testUtils.DataGenerator.Content.posts[5].id + '/?source=html'))
+                        .set('Origin', config.get('url'))
+                        .send({
+                            pages: [{
+                                html: '<p>HTML Ipsum presents</p>',
+                                updated_at: res.body.pages[0].updated_at
+                            }]
+                        })
+                        .expect('Content-Type', /json/)
+                        .expect('Cache-Control', testUtils.cacheRules.private)
+                        .expect(200);
+                })
+                .then((res) => {
+                    res.body.pages[0].mobiledoc.should.equal('{"version":"0.3.1","atoms":[],"cards":[],"markups":[],"sections":[[1,"p",[[0,[],0,"HTML Ipsum presents"]]]]}');
+                });
+        });
+    });
+});
diff --git a/core/test/regression/api/v2/admin/pages_spec.js b/core/test/regression/api/v2/admin/pages_spec.js
new file mode 100644
index 0000000000..d9d0fe175b
--- /dev/null
+++ b/core/test/regression/api/v2/admin/pages_spec.js
@@ -0,0 +1,47 @@
+const should = require('should');
+const supertest = require('supertest');
+const testUtils = require('../../../../utils');
+const config = require('../../../../../server/config');
+const localUtils = require('./utils');
+const ghost = testUtils.startGhost;
+let request;
+
+describe('Pages API', function () {
+    before(function () {
+        return ghost()
+            .then(function (_ghostServer) {
+                request = supertest.agent(config.get('url'));
+            })
+            .then(function () {
+                return localUtils.doAuth(request, 'posts');
+            });
+    });
+
+    describe('Edit', function () {
+        it('accepts html source', function () {
+            return request
+                .get(localUtils.API.getApiQuery(`pages/${testUtils.DataGenerator.Content.posts[5].id}/`))
+                .set('Origin', config.get('url'))
+                .expect(200)
+                .then((res) => {
+                    res.body.pages[0].slug.should.equal('static-page-test');
+
+                    return request
+                        .put(localUtils.API.getApiQuery('pages/' + testUtils.DataGenerator.Content.posts[5].id + '/?source=html'))
+                        .set('Origin', config.get('url'))
+                        .send({
+                            pages: [{
+                                html: '<p>HTML Ipsum presents</p>',
+                                updated_at: res.body.pages[0].updated_at
+                            }]
+                        })
+                        .expect('Content-Type', /json/)
+                        .expect('Cache-Control', testUtils.cacheRules.private)
+                        .expect(200);
+                })
+                .then((res) => {
+                    res.body.pages[0].mobiledoc.should.equal('{"version":"0.3.1","atoms":[],"cards":[],"markups":[],"sections":[[1,"p",[[0,[],0,"HTML Ipsum presents"]]]]}');
+                });
+        });
+    });
+});