diff --git a/codegen.sh b/codegen.sh
new file mode 100755
index 000000000..85624d7c0
--- /dev/null
+++ b/codegen.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+_PWD=$PWD
+SPECS=$(find -name 'spec.json' | xargs -n1 dirname)
+for SPEC in $SPECS; do
+	echo "=== spec $SPEC ==="
+	cd $SPEC && spec && cd $_PWD
+
+	SRC=$(dirname $(dirname $SPEC))
+	echo "=== codegen $SRC ==="
+	cd $SRC && ../codegen/codegen.php && go fmt && cd $_PWD
+done
\ No newline at end of file
diff --git a/crm/_gen.php b/codegen/codegen.php
old mode 100644
new mode 100755
similarity index 100%
rename from crm/_gen.php
rename to codegen/codegen.php
diff --git a/crm/templates/http_.tpl b/codegen/templates/http_.tpl
similarity index 100%
rename from crm/templates/http_.tpl
rename to codegen/templates/http_.tpl
diff --git a/crm/templates/http_handlers.tpl b/codegen/templates/http_handlers.tpl
similarity index 100%
rename from crm/templates/http_handlers.tpl
rename to codegen/templates/http_handlers.tpl
diff --git a/crm/templates/http_interfaces.tpl b/codegen/templates/http_interfaces.tpl
similarity index 100%
rename from crm/templates/http_interfaces.tpl
rename to codegen/templates/http_interfaces.tpl
diff --git a/crm/templates/http_request.tpl b/codegen/templates/http_request.tpl
similarity index 100%
rename from crm/templates/http_request.tpl
rename to codegen/templates/http_request.tpl
diff --git a/crm/templates/http_routes.tpl b/codegen/templates/http_routes.tpl
similarity index 100%
rename from crm/templates/http_routes.tpl
rename to codegen/templates/http_routes.tpl
diff --git a/crm/templates/http_structs.tpl b/codegen/templates/http_structs.tpl
similarity index 100%
rename from crm/templates/http_structs.tpl
rename to codegen/templates/http_structs.tpl
diff --git a/crm/templates/warning.tpl b/codegen/templates/warning.tpl
similarity index 100%
rename from crm/templates/warning.tpl
rename to codegen/templates/warning.tpl
diff --git a/crm/_gen.sh b/crm/_gen.sh
deleted file mode 100755
index 37c7c1cdd..000000000
--- a/crm/_gen.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-/usr/bin/env php _gen.php
-go fmt
\ No newline at end of file
diff --git a/sam/_gen.php b/sam/_gen.php
deleted file mode 100644
index f62a58b4b..000000000
--- a/sam/_gen.php
+++ /dev/null
@@ -1,93 +0,0 @@
-#!/usr/bin/env php
-<?php
-
-error_reporting(E_ALL^E_NOTICE);
-
-include("docs/vendor/autoload.php");
-
-function capitalize($name) {
-	$names = explode("/", $name);
-	return implode("", array_map("ucfirst", $names));
-}
-
-function array_change_key_case_recursive($arr) {
-	return array_map(function ($item) {
-		if (is_array($item)) {
-			$item = array_change_key_case_recursive($item);
-		}
-		return $item;
-	}, array_change_key_case($arr));
-}
-
-$tpl = new Monotek\MiniTPL\Template;
-$tpl->set_compile_location("/tmp", true);
-$tpl->add_default("newline", "\n");
-
-$api_files = glob("docs/src/spec/*.json");
-$apis = array_map(function($filename) {
-	return array_change_key_case_recursive(json_decode(file_get_contents($filename), true));
-}, $api_files);
-
-usort($apis, function($a, $b) {
-	return strcmp($a['interface'], $b['interface']);
-});
-
-foreach (array("structs", "handlers", "interfaces", "request", "") as $type) {
-	foreach ($apis as $api) {
-		if (is_array($api['struct'])) {
-			$name = ucfirst($api['interface']);
-			$filename = str_replace("..", ".", strtolower($name) . "." . $type . ".go");
-
-			$tpl->load("http_$type.tpl");
-			$tpl->assign("parsers", array(
-				"uint64" => "parseUInt64",
-				"bool" => "parseBool",
-			));
-			$tpl->assign("package", $api['package']);
-			$tpl->assign("name", $name);
-			$tpl->assign("self", strtolower(substr($name, 0, 1)));
-			$tpl->assign("api", $api);
-			$tpl->assign("structs", $api['struct']);
-			$imports = array();
-			foreach ($api['struct'] as $struct) {
-				if (isset($struct['imports']))
-				foreach ($struct['imports'] as $import) {
-					$imports[] = $import;
-				}
-			}
-			$tpl->assign("imports", $imports);
-			$tpl->assign("calls", $api['apis']);
-			$contents = str_replace("\n\n}", "\n}", $tpl->get());
-
-			$save = true;
-			if ($type === "" && file_exists($filename)) {
-				$save = false;
-			}
-			if ($save) {
-				file_put_contents($filename, $contents);
-			}
-		}
-	}
-}
-
-foreach (array("routes") as $type) {
-	$name = ucfirst($api['interface']);
-	$filename = str_replace("..", ".", $type . ".go");
-
-	$tpl->load("http_$type.tpl");
-	$tpl->assign("package", reset($apis)['package']);
-	$tpl->assign("apis", $apis);
-	$contents = $tpl->get();
-
-	file_put_contents($filename, $contents);
-}
-
-// camel case to snake case
-function decamel($input) {
-  preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches);
-  $ret = $matches[0];
-  foreach ($ret as &$match) {
-    $match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
-  }
-  return implode('_', $ret);
-}
diff --git a/sam/_gen.sh b/sam/_gen.sh
deleted file mode 100755
index 37c7c1cdd..000000000
--- a/sam/_gen.sh
+++ /dev/null
@@ -1,2 +0,0 @@
-/usr/bin/env php _gen.php
-go fmt
\ No newline at end of file
diff --git a/sam/templates/http_.tpl b/sam/templates/http_.tpl
deleted file mode 100644
index ab4bc069f..000000000
--- a/sam/templates/http_.tpl
+++ /dev/null
@@ -1,14 +0,0 @@
-package {package}
-
-import (
-	"github.com/pkg/errors"
-)
-
-var _ = errors.Wrap
-
-{foreach $calls as $call}
-func (*{name}) {call.name|capitalize}(r *{name|lcfirst}{call.name|capitalize}Request) (interface{}, error) {
-	return nil, errors.New("Not implemented: {name}.{call.name}")
-}
-
-{/foreach}
diff --git a/sam/templates/http_handlers.tpl b/sam/templates/http_handlers.tpl
deleted file mode 100644
index 4cb5d854d..000000000
--- a/sam/templates/http_handlers.tpl
+++ /dev/null
@@ -1,16 +0,0 @@
-package {package}
-
-{load warning.tpl}
-
-import (
-	"net/http"
-
-	"github.com/titpetric/factory/resputil"
-)
-
-{foreach $calls as $call}
-func ({self}h *{name}Handlers) {call.name|capitalize}(w http.ResponseWriter, r *http.Request) {
-	params := {name|lcfirst}{call.name|capitalize}Request{}.new()
-	resputil.JSON(w, params.Fill(r), func() (interface{}, error) { return {self}h.{name}.{call.name|capitalize}(params) })
-}
-{/foreach}
diff --git a/sam/templates/http_interfaces.tpl b/sam/templates/http_interfaces.tpl
deleted file mode 100644
index dd0fd91a5..000000000
--- a/sam/templates/http_interfaces.tpl
+++ /dev/null
@@ -1,39 +0,0 @@
-package {package}
-
-{load warning.tpl}
-
-import (
-	"net/http"
-)
-
-// HTTP handlers are a superset of internal APIs
-type {name}Handlers struct {
-	*{name}
-}
-
-func ({name}Handlers) new() *{name}Handlers {
-	return &{name}Handlers{
-		{name}{}.New(),
-	}
-}
-
-// Internal API interface
-type {name}API interface {
-{foreach $calls as $call}
-	{call.name|capitalize}(*{name|lcfirst}{call.name|capitalize}Request) (interface{}, error)
-{/foreach}
-}
-
-// HTTP API interface
-type {name}HandlersAPI interface {
-{foreach $calls as $call}
-	{call.name|capitalize}(http.ResponseWriter, *http.Request)
-{/foreach}
-
-	// Authenticate API requests
-	Authenticator() func(http.Handler) http.Handler
-}
-
-// Compile time check to see if we implement the interfaces
-var _ {name}HandlersAPI = &{name}Handlers{}
-var _ {name}API = &{name}{}
\ No newline at end of file
diff --git a/sam/templates/http_request.tpl b/sam/templates/http_request.tpl
deleted file mode 100644
index e0a30ebee..000000000
--- a/sam/templates/http_request.tpl
+++ /dev/null
@@ -1,51 +0,0 @@
-package {package}
-
-{load warning.tpl}
-
-import (
-	"net/http"
-	"github.com/go-chi/chi"
-)
-
-var _ = chi.URLParam
-
-{foreach $calls as $call}
-// {name} {call.name} request parameters
-type {name|lcfirst}{call.name|capitalize}Request struct {
-{foreach $call.parameters as $params}
-{foreach $params as $method => $param}
-	{param.name} {param.type}{newline}
-{/foreach}
-{/foreach}
-}
-
-func ({name|lcfirst}{call.name|capitalize}Request) new() *{name|lcfirst}{call.name|capitalize}Request {
-	return &{name|lcfirst}{call.name|capitalize}Request{}
-}
-
-func ({self} *{name|lcfirst}{call.name|capitalize}Request) Fill(r *http.Request) error {
-	r.ParseForm()
-	get := map[string]string{}
-	post := map[string]string{}
-	urlQuery := r.URL.Query()
-	for name, param := range urlQuery {
-		get[name] = string(param[0])
-	}
-	postVars := r.Form
-	for name, param := range postVars {
-		post[name] = string(param[0])
-	}
-{foreach $call.parameters as $method => $params}
-{foreach $params as $param}
-{if strtolower($method) === "path"}
-	{self}.{param.name} = {if ($param.type !== "string")}{$parsers[$param.type]}({/if}chi.URLParam(r, "{param.name}"){if ($param.type !== "string")}){/if}{newline}
-{elseif substr($param.type, 0, 2) !== '[]'}
-	{self}.{param.name} = {if ($param.type !== "string")}{$parsers[$param.type]}({method|strtolower}["{param.name}"]){else}{method|strtolower}["{param.name}"]{/if}{newline}
-{/if}
-{/foreach}
-{/foreach}
-	return nil
-}
-
-var _ RequestFiller = {name|lcfirst}{call.name|capitalize}Request{}.new()
-{/foreach}
diff --git a/sam/templates/http_routes.tpl b/sam/templates/http_routes.tpl
deleted file mode 100644
index de3447ae6..000000000
--- a/sam/templates/http_routes.tpl
+++ /dev/null
@@ -1,42 +0,0 @@
-package {package}
-
-{load warning.tpl}
-
-import (
-	"fmt"
-	"runtime"
-	"reflect"
-	"github.com/go-chi/chi"
-)
-
-func MountRoutes(r chi.Router) {
-{foreach $apis as $api}
-	{api.interface|strtolower} := {api.interface|capitalize}Handlers{}.new()
-{/foreach}
-{foreach $apis as $api}
-	r.Group(func (r chi.Router) {
-			r.Use({api.interface|strtolower}.Authenticator())
-		r.Route("{api.path}", func(r chi.Router) {
-{foreach $api.apis as $call}
-			r.{eval echo capitalize(strtolower($call.method))}("{call.path}", {api.interface|strtolower}.{call.name|capitalize})
-{/foreach}
-		})
-	})
-{/foreach}
-
-	var printRoutes func(chi.Routes, string, string)
-	printRoutes = func(r chi.Routes, indent string, prefix string) {
-		routes := r.Routes()
-		for _, route := range routes {
-			if route.SubRoutes != nil && len(route.SubRoutes.Routes()) > 0 {
-				fmt.Printf(indent+"%s - with %d handlers, %d subroutes\n", route.Pattern, len(route.Handlers), len(route.SubRoutes.Routes()))
-				printRoutes(route.SubRoutes, indent+"\t", prefix+route.Pattern[:len(route.Pattern)-2])
-			} else {
-				for key, fn := range route.Handlers {
-					fmt.Printf("%s%s\t%s -> %s\n", indent, key, prefix+route.Pattern, runtime.FuncForPC(reflect.ValueOf(fn).Pointer()).Name())
-				}
-			}
-		}
-	}
-	printRoutes(r, "", "")
-}
\ No newline at end of file
diff --git a/sam/templates/http_structs.tpl b/sam/templates/http_structs.tpl
deleted file mode 100644
index 8b4fd7f9a..000000000
--- a/sam/templates/http_structs.tpl
+++ /dev/null
@@ -1,58 +0,0 @@
-package {package}
-
-{load warning.tpl}
-
-{if !empty($imports)}
-import (
-{foreach ($imports as $import)}
-	"{import}"
-{/foreach}
-)
-{/if}
-
-type ({foreach $structs as $struct}
-
-{if strpos($name, "Literal") !== false}
-	{foreach $struct.fields as $field}
-		{field}{newline}
-	{/foreach}
-{else}
-	// {api.title}
-	{struct.name} struct {
-{foreach $struct.fields as $field}
-		{field.name} {field.type} `{if $field.tag}{$field.tag} {/if}db:"{if $field.dbname}{$field.dbname}{else}{$field.name|decamel}{/if}"`{newline}
-{/foreach}
-
-		changed []string
-	}
-
-{/if}{/foreach}
-)
-
-/* Constructors */
-{foreach $structs as $struct}
-func ({struct.name}) New() *{struct.name} {
-	return &{struct.name}{}
-}
-{/foreach}
-
-/* Getters/setters */
-{foreach $structs as $struct}
-{foreach $struct.fields as $field}
-func ({self} *{struct.name}) Get{field.name}() {field.type} {
-	return {self}.{field.name}
-}
-
-func ({self} *{struct.name}) Set{field.name}(value {field.type}) *{struct.name} {{if !$field.complex}
-	if {self}.{field.name} != value {
-		{self}.changed = append({self}.changed, "{field.name}")
-		{self}.{field.name} = value
-	}
-{else}
-	{self}.{field.name} = value
-{/if}
-	return {self}
-}
-{/foreach}
-
-{/foreach}
diff --git a/sam/templates/warning.tpl b/sam/templates/warning.tpl
deleted file mode 100644
index 87be0f8f1..000000000
--- a/sam/templates/warning.tpl
+++ /dev/null
@@ -1,14 +0,0 @@
-/*
-	Hello! This file is auto-generated from `docs/src/spec.json`.
-
-	For development:
-	In order to update the generated files, edit this file under the location,
-	add your struct fields, imports, API definitions and whatever you want, and:
-
-	1. run [spec](https://github.com/titpetric/spec) in the same folder,
-	2. run `./_gen.php` in this folder.
-
-	You may edit `{name|strtolower}.go`, `{name|strtolower}.util.go` or `{name|strtolower}_test.go` to
-	implement your API calls, helper functions and tests. The file `{name|strtolower}.go`
-	is only generated the first time, and will not be overwritten if it exists.
-*/
\ No newline at end of file