diff --git a/ihatemoney/api/common.py b/ihatemoney/api/common.py
index 728d2a8e..f0277205 100644
--- a/ihatemoney/api/common.py
+++ b/ihatemoney/api/common.py
@@ -154,6 +154,25 @@ class BillsHandler(Resource):
         return form.errors, 400
 
 
+class PaymentHandler(Resource):
+    method_decorators = [need_auth]
+
+    def get(self, project):
+        return project.get_bills().filter(Bill.type == "settlement").all()
+
+    def post(self, project):
+        form = get_billform_for(
+            project, True, meta={"csrf": False}, bill_type="settlement"
+        )
+        if form.validate():
+            bill = Bill()
+            form.save(bill, project)
+            db.session.add(bill)
+            db.session.commit()
+            return bill.id, 201
+        return form.errors, 400
+
+
 class BillHandler(Resource):
     method_decorators = [need_auth]
 
diff --git a/ihatemoney/api/v1/resources.py b/ihatemoney/api/v1/resources.py
index 821ba2bd..87e4c0f8 100644
--- a/ihatemoney/api/v1/resources.py
+++ b/ihatemoney/api/v1/resources.py
@@ -11,6 +11,7 @@ from ihatemoney.api.common import (
     ProjectStatsHandler,
     MembersHandler,
     BillHandler,
+    PaymentHandler,
     BillsHandler,
 )
 
@@ -29,6 +30,7 @@ restful_api.add_resource(
     MemberHandler, "/projects/<string:project_id>/members/<int:member_id>"
 )
 restful_api.add_resource(BillsHandler, "/projects/<string:project_id>/bills")
+restful_api.add_resource(PaymentHandler, "/projects/<string:project_id>/payments")
 restful_api.add_resource(
     BillHandler, "/projects/<string:project_id>/bills/<int:bill_id>"
 )
diff --git a/ihatemoney/forms.py b/ihatemoney/forms.py
index 88afd296..0f878fde 100644
--- a/ihatemoney/forms.py
+++ b/ihatemoney/forms.py
@@ -182,6 +182,11 @@ class BillForm(FlaskForm):
     submit = SubmitField(_("Submit"))
     submit2 = SubmitField(_("Submit and add a new one"))
 
+    def __init__(self, bill_type="loan", *args, **kwargs):
+        super(BillForm, self).__init__(*args, **kwargs)
+        self.bill_type = bill_type
+        self.title = _("Bill form")
+
     def save(self, bill, project):
         bill.payer_id = self.payer.data
         bill.amount = self.amount.data
@@ -189,6 +194,7 @@ class BillForm(FlaskForm):
         bill.external_link = self.external_link.data
         bill.date = self.date.data
         bill.owers = [Person.query.get(ower, project) for ower in self.payed_for.data]
+        bill.type = self.bill_type
         return bill
 
     def fake_form(self, bill, project):
@@ -198,6 +204,7 @@ class BillForm(FlaskForm):
         bill.external_link = ""
         bill.date = self.date
         bill.owers = [Person.query.get(ower, project) for ower in self.payed_for]
+        bill.type = self.bill_type
 
         return bill
 
@@ -208,6 +215,7 @@ class BillForm(FlaskForm):
         self.external_link.data = bill.external_link
         self.date.data = bill.date
         self.payed_for.data = [int(ower.id) for ower in bill.owers]
+        self.bill_type = bill.type
 
     def set_default(self):
         self.payed_for.data = self.payed_for.default
diff --git a/ihatemoney/migrations/versions/52903c4b2459_.py b/ihatemoney/migrations/versions/52903c4b2459_.py
new file mode 100644
index 00000000..438aae28
--- /dev/null
+++ b/ihatemoney/migrations/versions/52903c4b2459_.py
@@ -0,0 +1,26 @@
+"""empty message
+
+Revision ID: 52903c4b2459
+Revises: 6c6fb2b7f229
+Create Date: 2019-10-20 20:31:49.848058
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = "52903c4b2459"
+down_revision = "6c6fb2b7f229"
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.add_column("bill", sa.Column("type", sa.UnicodeText(), nullable=True))
+    # ### end Alembic commands ###
+
+
+def downgrade():
+    # ### commands auto generated by Alembic - please adjust! ###
+    op.drop_column("bill", "type")
+    # ### end Alembic commands ###
diff --git a/ihatemoney/models.py b/ihatemoney/models.py
index 4d32fd97..f3f6f088 100644
--- a/ihatemoney/models.py
+++ b/ihatemoney/models.py
@@ -3,6 +3,7 @@ from collections import defaultdict
 from datetime import datetime
 from flask_sqlalchemy import SQLAlchemy, BaseQuery
 from flask import g, current_app
+from flask_babel import lazy_gettext as _
 
 from debts import settle
 from sqlalchemy import orm
@@ -86,13 +87,17 @@ class Project(db.Model):
             {
                 "member": member,
                 "paid": sum(
-                    [bill.amount for bill in self.get_member_bills(member.id).all()]
+                    [
+                        bill.amount
+                        for bill in self.get_member_bills(member.id).all()
+                        if bill.type != "settlement"
+                    ]
                 ),
                 "spent": sum(
                     [
                         bill.pay_each() * member.weight
                         for bill in self.get_bills().all()
-                        if member in bill.owers
+                        if member in bill.owers and bill.type != "settlement"
                     ]
                 ),
                 "balance": self.balance[member.id],
@@ -374,6 +379,7 @@ class Bill(db.Model):
     date = db.Column(db.Date, default=datetime.now)
     creation_date = db.Column(db.Date, default=datetime.now)
     what = db.Column(db.UnicodeText)
+    type = db.Column(db.UnicodeText, default="loan")
     external_link = db.Column(db.UnicodeText)
 
     archive = db.Column(db.Integer, db.ForeignKey("archive.id"))
@@ -389,6 +395,7 @@ class Bill(db.Model):
             "creation_date": self.creation_date,
             "what": self.what,
             "external_link": self.external_link,
+            "type": self.type,
         }
 
     def pay_each(self):
@@ -403,6 +410,12 @@ class Bill(db.Model):
         else:
             return 0
 
+    def is_loan(self):
+        return self.type == "loan"
+
+    def is_settlement(self):
+        return self.type == "settlement"
+
     def __repr__(self):
         return "<Bill of %s from %s for %s>" % (
             self.amount,
@@ -410,6 +423,14 @@ class Bill(db.Model):
             ", ".join([o.name for o in self.owers]),
         )
 
+    def from_settlement(self, settlement_bill):
+        self.payer_id = settlement_bill["ower"].id
+        self.amount = settlement_bill["amount"]
+        self.what = _("Refund")
+        self.date = datetime.now()
+        self.owers = [settlement_bill["receiver"]]
+        return self
+
 
 class Archive(db.Model):
     id = db.Column(db.Integer, primary_key=True)
diff --git a/ihatemoney/static/css/main.css b/ihatemoney/static/css/main.css
index 135a6840..7cbef949 100644
--- a/ihatemoney/static/css/main.css
+++ b/ihatemoney/static/css/main.css
@@ -291,14 +291,15 @@ footer .footer-left {
   color: red;
 }
 
-.bill-actions {
+.table-actions {
   padding-top: 10px;
   text-align: center;
 }
 
-.bill-actions > .delete,
-.bill-actions > .edit,
-.bill-actions > .see {
+.table-actions > .delete,
+.table-actions > .edit,
+.table-actions > .see,
+.table-actions > .payment {
   font-size: 0px;
   display: block;
   width: 16px;
@@ -308,19 +309,23 @@ footer .footer-left {
   float: left;
 }
 
-.bill-actions > .delete {
+.table-actions > .delete {
   background: url("../images/delete.png") no-repeat right;
 }
 
-.bill-actions > .edit {
+.table-actions > .edit {
   background: url("../images/edit.png") no-repeat right;
 }
 
-.bill-actions > .see {
+.table-actions > .see {
   background: url("../images/see.png") no-repeat right;
 }
 
-#bill_table, #monthly_stats {
+.table-actions > .payment {
+  background: url("../images/payment.png") no-repeat right;
+}
+
+#bill_table , #monthly_stats  {
   margin-top: 30px;
   margin-bottom: 30px;
 }
diff --git a/ihatemoney/static/images/payment.png b/ihatemoney/static/images/payment.png
new file mode 100644
index 00000000..6f017a85
Binary files /dev/null and b/ihatemoney/static/images/payment.png differ
diff --git a/ihatemoney/templates/forms.html b/ihatemoney/templates/forms.html
index bec70184..ee03e620 100644
--- a/ihatemoney/templates/forms.html
+++ b/ihatemoney/templates/forms.html
@@ -104,6 +104,7 @@
     {{ input(form.what, inline=True) }}
     {{ input(form.payer, inline=True, class="form-control custom-select") }}
     {{ input(form.amount, inline=True) }}
+    {% if form.bill_type == "loan" %}
     {{ input(form.external_link, inline=True) }}
 
     <div class="form-group row">
@@ -122,6 +123,7 @@
             </ul>
         </div>
     </div>
+    {% endif %}
     </fieldset>
     <div class="actions">
         {{ form.submit(class="btn btn-primary") }}
diff --git a/ihatemoney/templates/list_bills.html b/ihatemoney/templates/list_bills.html
index 0f2a68a5..0b42c1ff 100644
--- a/ihatemoney/templates/list_bills.html
+++ b/ihatemoney/templates/list_bills.html
@@ -131,7 +131,7 @@
                 {{ bill.owers|join(', ', 'name') }}
                 {%- endif %}</td>
                 <td>{{ "%0.2f"|format(bill.amount) }} ({{ "%0.2f"|format(bill.pay_each()) }} {{ _("each") }})</td>
-                <td class="bill-actions">
+                <td class="table-actions">
                     <a class="edit" href="{{ url_for(".edit_bill", bill_id=bill.id) }}" title="{{ _("edit") }}">{{ _('edit') }}</a>
                     <a class="delete" href="{{ url_for(".delete_bill", bill_id=bill.id) }}" title="{{ _("delete") }}">{{ _('delete') }}</a>
                     {% if bill.external_link %}
diff --git a/ihatemoney/templates/settle_bills.html b/ihatemoney/templates/settle_bills.html
index 7ec5e290..9c3f0c75 100644
--- a/ihatemoney/templates/settle_bills.html
+++ b/ihatemoney/templates/settle_bills.html
@@ -19,16 +19,41 @@
 
 {% block content %}
     <table id="bill_table" class="split_bills table table-striped">
-        <thead><tr><th>{{ _("Who pays?") }}</th><th>{{ _("To whom?") }}</th><th>{{ _("How much?") }}</th></tr></thead>
+        <thead><tr><th>{{ _("Who pays?") }}</th><th>{{ _("To whom?") }}</th><th>{{ _("How much?") }}</th><th>{{ _("Actions") }}</th></tr></thead>
     <tbody>
     {% for bill in bills %}
     <tr receiver={{bill.receiver.id}}>
             <td>{{ bill.ower }}</td>
             <td>{{ bill.receiver }}</td>
             <td>{{ "%0.2f"|format(bill.amount) }}</td>
+            <td class="table-actions">
+                <a 
+                class="payment"
+                href="{{ url_for(".add_payment", receiver=bill.receiver.id) }}" 
+                title="{{ _("pay") }}" data-toggle="modal" 
+                data-target="#payment-form-{{bill.ower.id}}-{{bill.receiver.id}}"
+                >
+                    {{ _('pay') }}
+                </a>
+            </td>
     </tr>
     {% endfor %}
     </tbody>
     </table>
+    {% for form in bill_forms %}
+    <div id="payment-form-{{form.payer.data}}-{{form.payed_for.data[0]}}" class="modal fade show" role="dialog">
+        <div class="modal-dialog" role="document">
+            <div class="modal-content">
+                <div class="modal-header">
+                    <h3 class="modal-title">{{ form.title }}</h3>
+                    <a href="#" class="close" data-dismiss="modal">&times;</a>
+                </div>
+                <form action="{{ url_for(".add_payment", receiver=form.payed_for.data[0]) }}" method="post" class="modal-body container">
+                {{ forms.add_bill(form, title=False, edit=True) }}
+                </form>
+            </div>
+        </div>
+    </div>
+    {% endfor %}
 
 {% endblock %}
diff --git a/ihatemoney/tests/tests.py b/ihatemoney/tests/tests.py
index c4b1585c..fc6f7e90 100644
--- a/ihatemoney/tests/tests.py
+++ b/ihatemoney/tests/tests.py
@@ -141,7 +141,8 @@ class BudgetTestCase(IhatemoneyTestCase):
 
             self.post_project("raclette")
             self.client.post(
-                "/raclette/invite", data={"emails": "alexis@notmyidea.org"}
+                "/raclette/invite",
+                data={"emails": ["alexis@notmyidea.org", "raclette@notmyidea.org"]},
             )
 
             self.assertEqual(len(outbox), 2)
@@ -675,6 +676,20 @@ class BudgetTestCase(IhatemoneyTestCase):
         balance = models.Project.query.get("raclette").balance
         self.assertEqual(set(balance.values()), set([19.0, -19.0]))
 
+        # Refund from member 0 to member 1
+        self.client.post(
+            "raclette/payment/add/{}".format(members_ids[1]),
+            data={
+                "date": "2011-08-11",
+                "payer": members_ids[0],
+                "what": "Refund",
+                "amount": 18,
+            },
+        )
+
+        balance = models.Project.query.get("raclette").balance
+        self.assertEqual(set(balance.values()), set([1.0, -1.0]))
+
         # Bill with negative amount
         self.client.post(
             "/raclette/add",
@@ -930,6 +945,12 @@ class BudgetTestCase(IhatemoneyTestCase):
             },
         )
 
+        # Refund should only affect balance
+        self.client.post(
+            "raclette/payment/add/2",
+            data={"date": "2011-08-11", "payer": 1, "what": "Refund", "amount": 18},
+        )
+
         response = self.client.get("/raclette/statistics")
         first_cell = '<td class="d-md-none">'
         indent = "\n            "
@@ -970,6 +991,38 @@ class BudgetTestCase(IhatemoneyTestCase):
             response.data.decode("utf-8"),
         )
 
+        balance_first_cell = '<td class="balance-name">'
+        balance_indent = "\n        "
+        positive_balance = '<td class="balance-value positive">'
+        negative_balance = '<td class="balance-value negative">'
+        self.assertIn(
+            balance_first_cell
+            + "alexis</td>"
+            + balance_indent
+            + positive_balance
+            + indent
+            + "+6.33",
+            response.data.decode("utf-8"),
+        )
+        self.assertIn(
+            balance_first_cell
+            + "fred</td>"
+            + balance_indent
+            + negative_balance
+            + indent
+            + "-3.83",
+            response.data.decode("utf-8"),
+        )
+        self.assertIn(
+            balance_first_cell
+            + "tata</td>"
+            + balance_indent
+            + negative_balance
+            + indent
+            + "-2.5",
+            response.data.decode("utf-8"),
+        )
+
     def test_settle_page(self):
         self.post_project("raclette")
         response = self.client.get("/raclette/settle_bills")
@@ -1776,6 +1829,7 @@ class APITestCase(IhatemoneyTestCase):
             "date": "2011-08-10",
             "id": 1,
             "external_link": "https://raclette.fr",
+            "type": "loan",
         }
 
         got = json.loads(req.data.decode("utf-8"))
@@ -1845,6 +1899,7 @@ class APITestCase(IhatemoneyTestCase):
             "date": "2011-09-10",
             "external_link": "https://raclette.fr",
             "id": 1,
+            "type": "loan",
         }
 
         got = json.loads(req.data.decode("utf-8"))
@@ -1855,6 +1910,57 @@ class APITestCase(IhatemoneyTestCase):
         del got["creation_date"]
         self.assertDictEqual(expected, got)
 
+        # add a refound
+        req = self.client.post(
+            "/api/projects/raclette/payments",
+            data={
+                "date": "2011-08-15",
+                "what": "refund",
+                "payer": "2",
+                "payed_for": ["1"],
+                "amount": "10",
+                "type": "settlement",
+            },
+            headers=self.get_auth("raclette"),
+        )
+
+        # should return the id
+        self.assertStatus(201, req)
+        self.assertEqual(req.data.decode("utf-8"), "2\n")
+
+        # get the refund details
+        req = self.client.get(
+            "/api/projects/raclette/bills/2", headers=self.get_auth("raclette")
+        )
+
+        # compare with the added info
+        self.assertStatus(200, req)
+        expected = {
+            "what": "refund",
+            "payer_id": 2,
+            "owers": [{"activated": True, "id": 1, "name": "alexis", "weight": 1},],
+            "amount": 10.0,
+            "date": "2011-08-15",
+            "external_link": "",
+            "id": 2,
+            "type": "settlement",
+        }
+
+        got = json.loads(req.data.decode("utf-8"))
+        self.assertEqual(
+            datetime.date.today(),
+            datetime.datetime.strptime(got["creation_date"], "%Y-%m-%d").date(),
+        )
+        del got["creation_date"]
+        self.assertDictEqual(expected, got)
+
+        # get only refund bills
+        req = self.client.get(
+            "/api/projects/raclette/payments", headers=self.get_auth("raclette")
+        )
+        self.assertStatus(200, req)
+        self.assertEqual(1, len(json.loads(req.data.decode("utf-8"))))
+
         # delete a bill
         req = self.client.delete(
             "/api/projects/raclette/bills/1", headers=self.get_auth("raclette")
@@ -1921,6 +2027,7 @@ class APITestCase(IhatemoneyTestCase):
                 "date": "2011-08-10",
                 "id": id,
                 "external_link": "",
+                "type": "loan",
             }
 
             got = json.loads(req.data.decode("utf-8"))
@@ -2063,6 +2170,7 @@ class APITestCase(IhatemoneyTestCase):
             "date": "2011-08-10",
             "id": 1,
             "external_link": "",
+            "type": "loan",
         }
         got = json.loads(req.data.decode("utf-8"))
         self.assertEqual(
diff --git a/ihatemoney/web.py b/ihatemoney/web.py
index 1b80ab62..2ee03cc7 100644
--- a/ihatemoney/web.py
+++ b/ihatemoney/web.py
@@ -737,7 +737,57 @@ def change_lang(lang):
 def settle_bill():
     """Compute the sum each one have to pay to each other and display it"""
     bills = g.project.get_transactions_to_settle_bill()
-    return render_template("settle_bills.html", bills=bills, current_view="settle_bill")
+    bill_forms = [build_payment_form(bill) for bill in bills]
+
+    return render_template(
+        "settle_bills.html",
+        bills=bills,
+        bill_forms=bill_forms,
+        current_view="settle_bill",
+    )
+
+
+def build_payment_form(settlement_bill):
+    form = get_billform_for(g.project, set_default=False, bill_type="settlement")
+    bill = Bill().from_settlement(settlement_bill)
+
+    form.fill(bill)
+    receiver = settlement_bill["receiver"]
+    form.payer.choices = [
+        choice for choice in form.payer.choices if choice[0] != receiver.id
+    ]
+    title = _("Refund for {}".format(receiver))
+    form.title = title
+
+    return form
+
+
+@main.route("/<project_id>/payment/add/<int:receiver>", methods=["POST"])
+def add_payment(receiver):
+    receiver = Person.query.get(receiver, g.project)
+    if not receiver:
+        raise NotFound("Person with id: {} not found".format(receiver))
+
+    form = get_billform_for(g.project, bill_type="settlement")
+    if request.method == "POST":
+        form.payed_for.data = [receiver.id]
+        if form.validate():
+
+            bill = Bill()
+            db.session.add(form.save(bill, g.project))
+            db.session.commit()
+
+            flash(
+                _(
+                    "The payment of {} to {} has been added".format(
+                        form.amount.data, receiver.name
+                    )
+                )
+            )
+
+            return redirect(url_for(".settle_bill"))
+
+    return render_template("add_bill.html", form=form, edit=True)
 
 
 @main.route("/<project_id>/statistics")