diff --git a/htdocs/compta/facture/class/api_invoices.class.php b/htdocs/compta/facture/class/api_invoices.class.php
index 344a5d280c7..28157085270 100644
--- a/htdocs/compta/facture/class/api_invoices.class.php
+++ b/htdocs/compta/facture/class/api_invoices.class.php
@@ -71,6 +71,27 @@ class Invoices extends DolibarrApi
             throw new RestException(404, 'Invoice not found');
         }
 
+	// Get payment details
+	$this->invoice->totalpaye = $this->invoice->getSommePaiement();
+        $this->invoice->totalcreditnotes = $this->invoice->getSumCreditNotesUsed();
+	$this->invoice->totaldeposits = $this->invoice->getSumDepositsUsed();
+        $this->invoice->resteapayer = price2num($this->invoice->total_ttc - $this->invoice->totalpaye - $this->invoice->totalcreditnotes - $this->invoice->totaldeposits, 'MT');
+
+	// get available discounts of customer
+	/* TODO Move this into thirdparty API
+	$soc = new Societe($this->db);
+	if ($this->invoice->socid > 0)
+	    $res = $soc->fetch($this->invoice->socid);
+	if($res) {
+		$filterabsolutediscount = "fk_facture_source IS NULL OR (fk_facture_source IS NOT NULL AND (description LIKE '(DEPOSIT)%' AND description NOT LIKE '(EXCESS RECEIVED)%'))";
+		$filtercreditnote = "fk_facture_source IS NOT NULL AND (description NOT LIKE '(DEPOSIT)%' OR description LIKE '(EXCESS RECEIVED)%')";
+		$absolute_discount = $soc->getAvailableDiscounts('', $filterabsolutediscount);
+		$absolute_creditnote = $soc->getAvailableDiscounts('', $filtercreditnote);
+		$this->invoice->absolute_discount = price2num($absolute_discount, 'MT');
+		$this->invoice->absolute_creditnote = price2num($absolute_creditnote, 'MT');
+	}
+	*/
+
 		if( ! DolibarrApi::_checkAccessToResource('facture',$this->invoice->id)) {
 			throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
 		}
@@ -646,6 +667,47 @@ class Invoices extends DolibarrApi
     }
 
 
+    /**
+     * Get a payment list of a given invoice
+     *
+     * @param int   $id             Id of invoice
+     *
+     * @url     GET {id}/getpayments
+     *
+     * @return array
+     * @throws 400
+     * @throws 401
+     * @throws 404
+     * @throws 405
+     */
+    function getPayments($id) {
+
+        if(! DolibarrApiAccess::$user->rights->facture->lire) {
+                throw new RestException(401);
+        }
+        if(empty($id)) {
+                throw new RestException(400, 'Invoice ID is mandatory');
+        }
+
+        if( ! DolibarrApi::_checkAccessToResource('facture',$id)) {
+                throw new RestException(401, 'Access not allowed for login '.DolibarrApiAccess::$user->login);
+        }
+
+        $result = $this->invoice->fetch($id);
+        if( ! $result ) {
+                throw new RestException(404, 'Invoice not found');
+        }
+
+        $result = $this->invoice->getListOfPayments();
+        if( $result < 0) {
+                throw new RestException(405, $this->invoice->error);
+        }
+        
+        return $result;
+    }
+
+
+
     /**
      * Clean sensible object datas
      *