diff --git a/app/common/Controller/Currencies.php b/app/common/Controller/Currencies.php
index 8570db3..a1065f6 100644
--- a/app/common/Controller/Currencies.php
+++ b/app/common/Controller/Currencies.php
@@ -130,4 +130,47 @@ class Currencies {
     }
     return $this->withJson($response, $output);
   }
+  public function getSources(Request $request, Response $response, ModelFactory $factory, $currency_id): Response {
+    $currency = $factory->find(Currency::class)->one($currency_id);
+    $output = [
+      'get_data' => compact('currency_id'),
+      'currency' => null,
+      'sources' => []
+    ];
+    if ($currency) {
+      $output['currency'] = $currency->asArray();
+      if ($currency->sources()) {
+        $output['sources'] = array_map(function($item) {
+          return $item->asArray();
+        }, $currency->sources());
+      }
+    }
+    return $this->withJson($response, $output);
+  }
+  public function addSources(Request $request, Response $response, ModelFactory $factory, $currency_id): Response {
+    $currency = $factory->find(Currency::class)->one($currency_id);
+    $post = json_decode($request->getBody()->getContents());
+    $output = [
+      'get_data' => compact('currency_id'),
+      'post_data' => $post,
+      'currency' => null,
+      'sources' => []
+    ];
+    if ($currency) {
+      $output['currency'] = $currency->asArray();
+      $sources = [];
+      if (is_array($post)) {
+        foreach ($post as $obj) {
+          if (!is_object($obj)) {
+            continue;
+          }
+          $sources []= $currency->addSource($obj);
+        }
+      } else {
+        $sources []= $currency->addSource($post);
+      }
+      $output['sources'] = $sources;
+    }
+    return $this->withJson($response, $output);
+  }
 }
diff --git a/app/common/Controller/Sources.php b/app/common/Controller/Sources.php
new file mode 100644
index 0000000..c7a0aef
--- /dev/null
+++ b/app/common/Controller/Sources.php
@@ -0,0 +1,73 @@
+<?php
+namespace ProVM\Money\Common\Controller;
+
+use Psr\Http\Message\ServerRequestInterface as Request;
+use Psr\Http\Message\ResponseInterface as Response;
+use ProVM\Common\Factory\Model as ModelFactory;
+use ProVM\Common\Define\Controller\Json;
+use ProVM\Money\Source;
+
+class Sources {
+  use Json;
+
+  public function __invoke(Request $request, Response $response, ModelFactory $factory): Response {
+    $sources = $factory->find(Source::class)->array();
+    $output = compact('sources');
+    return $this->withJson($response, $output);
+  }
+  public function get(Request $request, Response $response, ModelFactory $factory, $currency_id, $url): Response {
+    $source = $factory->find(Source::class)->where([['currency_id', $currency_id], ['url', $url]])->one();
+    $output = [
+      'get_data' => compact('currency_id', 'url'),
+      'source' => null
+    ];
+    if ($source) {
+      $output['source'] = $source->asArray();
+    }
+    return $this->withJson($response, $output);
+  }
+  public function add(Request $request, Response $response, ModelFactory $factory): Response {
+    $post = json_decode($request->getBody()->getContents());
+    $sources = [];
+    if (is_array($post)) {
+      foreach ($post as $obj) {
+        if (!is_object($obj)) {
+          continue;
+        }
+        $sources []= Source::add($factory, $obj);
+      }
+    } else {
+      $sources []= Source::add($factory, $post);
+    }
+    $output = [
+      'post_data' => $post,
+      'sources' => $sources
+    ];
+    return $this->withJson($response, $output);
+  }
+  public function edit(Request $request, Response $response, ModelFactory $factory, $currency_id, $url) {
+    $post = json_decode($request->getBody()->getContents());
+    $output = [
+      'get_data' => compact('currency_id', 'url'),
+      'post_data' => $post
+    ];
+    $source = $factory->find(Source::class)->where([['currency_id', $currency_id], ['url', $url]])->one();
+    $edited = false;
+    if ($source) {
+      $edited = $source->edit($post);
+      $output['source'] = $source->asArray();
+      $output['edited'] = $edited;
+    }
+    return $this->withJson($response, $output);
+  }
+  public function delete(Request $request, Response $response, ModelFactory $factory, $currency_id, $url): Response {
+    $source = $factory->find(Source::class)->where([['currency_id', $currency_id], ['url', $url]])->one();
+    $output = ['get_data' => compact('currency_id', 'url'), 'source' => null, 'deleted' => false];
+    if ($source) {
+      $output['source'] = $source->asArray();
+      $status = $source->delete();
+      $output['deleted'] = $status;
+    }
+    return $this->withJson($response, $output);
+  }
+}
diff --git a/app/resources/routes/api.php b/app/resources/routes/api.php
index d9d1e96..8940f95 100644
--- a/app/resources/routes/api.php
+++ b/app/resources/routes/api.php
@@ -3,6 +3,7 @@ use ProVM\Money\Common\Controller\API;
 
 include_once 'currencies.php';
 include_once 'values.php';
+include_once 'sources.php';
 
 $app->get('/', API::class);
 
diff --git a/app/resources/routes/sources.php b/app/resources/routes/sources.php
new file mode 100644
index 0000000..920a10f
--- /dev/null
+++ b/app/resources/routes/sources.php
@@ -0,0 +1,13 @@
+<?php
+use ProVM\Money\Common\Controller\Sources;
+
+$app->group('/sources', function($app) {
+  $app->post('/add[/]', [Sources::class, 'add']);
+  $app->get('[/]', Sources::class);
+});
+
+$app->group('/source/{currency_id}/{url}', function($app) {
+  $app->put('/edit[/]', [Sources::class, 'edit']);
+  $app->delete('/delete[/]', [Sources::class, 'delete']);
+  $app->get('[/]', [Sources::class, 'get']);
+});
diff --git a/db/migrations/20210320020631_create_sources.php b/db/migrations/20210320020631_create_sources.php
index 1d45a2a..fcfba85 100644
--- a/db/migrations/20210320020631_create_sources.php
+++ b/db/migrations/20210320020631_create_sources.php
@@ -20,19 +20,13 @@ final class CreateSources extends AbstractMigration
     {
       $this->table('sources', [
         'id' => false,
-        'primary_key' => ['id'],
+        'primary_key' => ['currency_id', 'url'],
         'engine' => 'InnoDB',
         'encoding' => 'utf8mb4',
         'collation' => 'utf8mb4_general_ci',
         'comment' => '',
         'row_format' => 'DYNAMIC',
       ])
-      ->addColumn('id', 'integer', [
-          'null' => false,
-          'limit' => '10',
-          'signed' => false,
-          'identity' => 'enable',
-      ])
       ->addColumn('currency_id', 'integer', [
           'null' => false,
           'limit' => '10',
diff --git a/src/Currency.php b/src/Currency.php
index 02cf51f..a53d614 100644
--- a/src/Currency.php
+++ b/src/Currency.php
@@ -79,4 +79,10 @@ class Currency extends Model {
     $result = Value::add($this->factory, $arr);
     return $result;
   }
+  public function addSource($info) {
+    $arr = (array) $info;
+    $arr['currency_id'] = (int) $this->id;
+    $result = Source::add($this->factory, $arr);
+    return $result;
+  }
 }
diff --git a/src/Source.php b/src/Source.php
index a271cb2..caba155 100644
--- a/src/Source.php
+++ b/src/Source.php
@@ -5,7 +5,6 @@ use Carbon\CarbonInterval;
 use ProVM\Common\Alias\Model;
 
 /**
- * @property int $id
  * @property Currency $currency_id
  * @property string $url
  * @property \DateInterval $frecuency
@@ -24,4 +23,42 @@ class Source extends Model {
     }
     $this->frecuency = CarbonInterval::getDateIntervalSpec($frecuency);
   }
+
+  protected static $fields = ['currency_id', 'url', 'frecuency'];
+  public static function add(ModelFactory $factory, $info) {
+    $input = array_intersect_key((array) $info, array_combine(self::$fields, self::$fields));
+    $source = $factory->find(Source::class)->where([['currency_id', $input['currency_id']], ['url', $input['url']]])->one();
+    $created = false;
+    $result = (object) compact('input', 'source', 'created');
+    if (!$value) {
+      $source = $factory->create(Source::class, $input);
+      $created = $source->save();
+      $result->created = $created;
+    }
+    $result->value = $source->asArray();
+    return $result;
+  }
+  public function edit($info): bool {
+    $data = array_intersect_key((array) $info, array_combine(self::$fields, self::$fields));
+    $edited = false;
+    foreach ($data as $field => $value) {
+      if ($this->{$field} != $value) {
+        if ($field == 'currency_id' or $field == 'url') {
+          continue;
+        }
+        $this->{$field} = $value;
+        $edited = true;
+      }
+    }
+    if ($edited) {
+      $edited = $this->save();
+    }
+    return $edited;
+  }
+  public function asArray(): array {
+    $output = parent::asArray();
+    $output['currency'] = $this->currency()->asArray();
+    $output['frecuency'] = $this->frecuency()->format('Y-m-d H:i:s');
+    return $output;
+  }
 }