diff --git a/README.md b/README.md
index 2bf63d9..dc3facd 100755
--- a/README.md
+++ b/README.md
@@ -37,7 +37,7 @@ App:
 ![commonroutes](https://raw.githubusercontent.com/arnaucode/commonroutesApp/master/commonroutes.png "commonroutes")
 code: https://github.com/arnaucode/commonroutesApp
 
---------------------
+---
 
 
 **To Do Backend and Frontend:**
@@ -57,3 +57,108 @@ function postImage(req, res, filename, fileImg) {
 #### RESOURCES using:
 
 initial avatars users: [http://www.flaticon.com/packs/animal-icon-collection](http://www.flaticon.com/packs/animal-icon-collection)
+
+
+---
+
+## API Documentation
+This section is not finished.
+
+### GET /travels
+Returns a json array with the page travals.
+- Pagination option: **/travels?page=2**
+    - Each page has a length of 20 travels.
+
+### GET /travels/id/{travelid}
+Returns the full json data of a travel.
+```json
+{
+  "_id": "5b582cc8a920010ebdba5445",
+  "from": {
+    "lat": 43.6170137,
+    "long": 13.5170982,
+    "name": "Ancona, AN, MAR, Italy"
+  },
+  "to": {
+    "lat": 43.8198253,
+    "long": 7.7748827,
+    "name": "Sanremo, IM, Liguria, Italy"
+  },
+  "joins": [],
+  "joinPetitions": [],
+  "comments": [],
+  "title": "Visiting Torri Superiori",
+  "user": {
+    "_id": "5b3cf604a920010ebdba1111",
+    "avatar": "https://imgc.artprintimages.com/img/print/janet-muir-cape-washington-antarctica-adelie-penguin-walks-forward_u-l-pyoufg0.jpg",
+    "validated": false,
+    "username": "person1",
+    "telegram": "person1"
+  },
+  "date": "2018-08-04T22:00:00.000Z",
+  "generateddate": "2018-07-25T07:54:48.000Z",
+  "seats": 2,
+  "type": "asking",
+  "__v": 0
+}
+```
+### GET /users
+
+- Pagination option: **/users?page=2**
+    - Each page has a length of 20 users.
+
+### GET /users/id/{userid}
+
+```json
+{
+  "_id": "5a83528d7ce0482bab4f4111",
+  "description": "Hello world",
+  "avatar": "https://imgc.artprintimages.com/img/print/janet-muir-cape-washington-antarctica-adelie-penguin-walks-forward_u-l-pyoufg0.jpg",
+  "faircoinString": "faircoin address",
+  "faircoin": "url/data of QR faircoin address",
+  "validated": true,
+  "valorations": [],
+  "likes": ["5ad4b4f69a32d22cc7848011"],
+  "favs": [],
+  "travels": [{
+    "_id": "5b0a66daab8f07271498a411",
+    "from": {
+      "lat": 41.816082,
+      "long": 2.5138924,
+      "name": "Arbúcies, Selva, Girona, Catalonia, 17401, Spain"
+    },
+    "to": {
+      "lat": 41.3828939,
+      "long": 2.1774322,
+      "name": "Barcelona, BCN, Catalonia, Spain"
+    },
+    "title": "Arbúcies-Barcelona",
+    "date": "2018-05-27T14:00:00.000Z",
+    "type": "offering"
+  }, {
+    "_id": "5b2780f4ab8f07271498a411",
+    "from": {
+      "lat": 41.3828939,
+      "long": 2.1774322,
+      "name": "Barcelona, BCN, Catalonia, Spain"
+    },
+    "to": {
+      "lat": 41.1172364,
+      "long": 1.2546057,
+      "name": "Tarragona, Tarragonès, Tarragona, Catalonia, Spain"
+    },
+    "title": "going to Tarragona",
+    "date": "2018-07-02T08:00:00.000Z",
+    "type": "asking"
+  }],
+  "notifications": [],
+  "username": "person2",
+  "telegram": "person2",
+  "localNode": "Catalunya",
+  "__v": 4,
+  "validatedBy": {
+    "_id": "5a835596c45e042c19d3fb11",
+    "username": "commonroutesadmin01"
+  }
+}
+```