diff --git a/Cargo.lock b/Cargo.lock
index f20bc42..3e41543 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -592,6 +592,11 @@ dependencies = [
  "unicode-normalization 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "if_chain"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "indexmap"
 version = "1.0.1"
@@ -995,6 +1000,8 @@ dependencies = [
  "rocket_i18n 0.1.1 (git+https://github.com/BaptisteGelez/rocket_i18n?rev=5b4225d5bed5769482dc926a7e6d6b79f1217be6)",
  "rpassword 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "validator 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "validator_derive 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "webfinger 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1183,6 +1190,18 @@ dependencies = [
  "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "regex"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "aho-corasick 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "thread_local 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "regex-syntax"
 version = "0.5.5"
@@ -1191,6 +1210,14 @@ dependencies = [
  "ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "regex-syntax"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ucd-util 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "relay"
 version = "0.1.1"
@@ -1926,6 +1953,32 @@ dependencies = [
  "rand 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "validator"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "validator_derive"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "if_chain 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.14.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "validator 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "vcpkg"
 version = "0.2.3"
@@ -2064,6 +2117,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum hyper 0.11.25 (registry+https://github.com/rust-lang/crates.io-index)" = "549dbb86397490ce69d908425b9beebc85bbaad25157d67479d4995bb56fdf9a"
 "checksum hyper-tls 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a5aa51f6ae9842239b0fac14af5f22123b8432b4cc774a44ff059fcba0f675ca"
 "checksum idna 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "014b298351066f1512874135335d62a789ffe78a9974f94b43ed5621951eaf7d"
+"checksum if_chain 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "61bb90bdd39e3af69b0172dfc6130f6cd6332bf040fbb9bdd4401d37adbd48b8"
 "checksum indexmap 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "08173ba1e906efb6538785a8844dd496f5d34f0a2d88038e95195172fc667220"
 "checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
 "checksum isatty 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "a118a53ba42790ef25c82bb481ecf36e2da892646cccd361e69a6bb881e19398"
@@ -2128,7 +2182,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rand_core 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "edecf0f94da5551fc9b492093e30b041a891657db7940ee221f9d2f66e82eef2"
 "checksum redox_syscall 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)" = "0d92eecebad22b767915e4d529f89f28ee96dbbf5a4810d2b844373f136417fd"
 "checksum regex 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)" = "aec3f58d903a7d2a9dc2bf0e41a746f4530e0cab6b615494e058f67a3ef947fb"
+"checksum regex 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "13c93d55961981ba9226a213b385216f83ab43bd6ac53ab16b2eeb47e337cf4e"
 "checksum regex-syntax 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "bd90079345f4a4c3409214734ae220fd773c6f2e8a543d07370c6c1c369cfbfb"
+"checksum regex-syntax 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05b06a75f5217880fc5e905952a42750bf44787e56a6c6d6852ed0992f5e1d54"
 "checksum relay 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1576e382688d7e9deecea24417e350d3062d97e32e45d70b1cde65994ff1489a"
 "checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
 "checksum reqwest 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)" = "241faa9a8ca28a03cbbb9815a5d085f271d4c0168a19181f106aa93240c22ddb"
@@ -2210,6 +2266,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum utf-8 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f1262dfab4c30d5cb7c07026be00ee343a6cf5027fdc0104a9160f354e5db75c"
 "checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
 "checksum uuid 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bcc7e3b898aa6f6c08e5295b6c89258d1331e9ac578cc992fb818759951bdc22"
+"checksum validator 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4a8c44fecf027a477e70a86cd7f4863410adf120ca2cb13408cb099057b8e2d0"
+"checksum validator_derive 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "708ee89305635499f793d0e2dd9d0b1b5d00daba90fdfb1392b87c7279521fab"
 "checksum vcpkg 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7ed0f6789c8a85ca41bbc1c9d175422116a9869bd1cf31bb08e1493ecce60380"
 "checksum version_check 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "6b772017e347561807c1aa192438c5fd74242a670a6cffacc40f2defd1dc069d"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
diff --git a/Cargo.toml b/Cargo.toml
index efcb4b8..265c472 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,18 +11,20 @@ gettext-rs = "0.4"
 heck = "0.3.0"
 rpassword = "2.0"
 serde_json = "1.0"
+validator = "0.7"
+validator_derive = "0.7"
 webfinger = "0.2"
 
 [dependencies.diesel]
 features = ["postgres", "r2d2", "chrono"]
 version = "*"
 
-[dependencies.plume-models]
-path = "plume-models"
-
 [dependencies.plume-common]
 path = "plume-common"
 
+[dependencies.plume-models]
+path = "plume-models"
+
 [dependencies.rocket]
 git = "https://github.com/SergioBenitez/Rocket"
 rev = "df7111143e466c18d1f56377a8d9530a5a306aba"
@@ -45,4 +47,4 @@ git = "https://github.com/BaptisteGelez/rocket_i18n"
 rev = "5b4225d5bed5769482dc926a7e6d6b79f1217be6"
 
 [workspace]
-members = ['plume-models', 'plume-common']
+members = ["plume-models", "plume-common"]
diff --git a/src/main.rs b/src/main.rs
index 6d55a5d..bdf1387 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -17,6 +17,9 @@ extern crate rocket_i18n;
 extern crate rpassword;
 #[macro_use]
 extern crate serde_json;
+extern crate validator;
+#[macro_use]
+extern crate validator_derive;
 extern crate webfinger;
 
 use rocket_contrib::Template;