diff --git a/src/banktransfer/Dockerfile b/src/banktransfer/Dockerfile
new file mode 100644
index 0000000000000000000000000000000000000000..a40980b75076e2bcce0ce98cb3d4ff8f3d4e28fe
--- /dev/null
+++ b/src/banktransfer/Dockerfile
@@ -0,0 +1,17 @@
+FROM golang:1.16-buster
+
+WORKDIR /go/src/app
+COPY ./banktransfer .
+
+RUN apt update
+RUN apt install -y protobuf-compiler
+RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28
+RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@1.2
+
+RUN go mod download
+RUN go generate ./...
+RUN go install
+
+CMD ["banktransfer"]
+
+EXPOSE 9111
\ No newline at end of file
diff --git a/src/banktransfer/go.mod b/src/banktransfer/go.mod
index b6bac315ce032a6a4ab8812d0cf3a802da84f284..cd0ad4ec63ccfb3cf80760022adbca5915322a26 100644
--- a/src/banktransfer/go.mod
+++ b/src/banktransfer/go.mod
@@ -3,11 +3,15 @@ module gitlab.reutlingen-university.de/albrecht/myaktion-go/src/banktransfer
 go 1.20
 
 require (
-	github.com/golang/protobuf v1.5.3 // indirect
+	github.com/golang/protobuf v1.5.3
+	github.com/sirupsen/logrus v1.9.3
+	google.golang.org/grpc v1.55.0
+	google.golang.org/protobuf v1.30.0
+)
+
+require (
 	golang.org/x/net v0.8.0 // indirect
 	golang.org/x/sys v0.6.0 // indirect
 	golang.org/x/text v0.8.0 // indirect
 	google.golang.org/genproto v0.0.0-20230306155012-7f2fa6fef1f4 // indirect
-	google.golang.org/grpc v1.55.0 // indirect
-	google.golang.org/protobuf v1.30.0 // indirect
 )
diff --git a/src/banktransfer/go.sum b/src/banktransfer/go.sum
index 3bedd45bde1984edbcf09c83e9925b9f7bb3b5c8..4367155d74fb46316a881782b9aeb58be21d8c10 100644
--- a/src/banktransfer/go.sum
+++ b/src/banktransfer/go.sum
@@ -1,9 +1,21 @@
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk=
 github.com/golang/protobuf v1.5.3 h1:KhyjKVUg7Usr/dYsdSqoFveMYd5ko72D+zANwlG1mmg=
 github.com/golang/protobuf v1.5.3/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY=
 github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
+github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/sirupsen/logrus v1.9.3 h1:dueUQJ1C2q9oE3F7wvmSGAaVtTmUizReu6fjN8uqzbQ=
+github.com/sirupsen/logrus v1.9.3/go.mod h1:naHLuLoDiP4jHNo9R0sCBMtWGeIprob74mVsIT4qYEQ=
+github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
+github.com/stretchr/testify v1.7.0 h1:nwc3DEeHmmLAfoZucVR881uASk0Mfjw8xYJ99tb5CcY=
+github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 golang.org/x/net v0.8.0 h1:Zrh2ngAOFYneWTAIAPethzeaQLuHwhuBkuV6ZiRnUaQ=
 golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
+golang.org/x/sys v0.0.0-20220715151400-c0bba94af5f8/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0 h1:MVltZSvRTcU2ljQOhs94SXPftV6DCNnZViHeQps87pQ=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
@@ -17,3 +29,6 @@ google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp0
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
 google.golang.org/protobuf v1.30.0 h1:kPPoIgf3TsEvrm0PFe15JQ+570QVxYzEvvHqChK+cng=
 google.golang.org/protobuf v1.30.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
+gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
diff --git a/src/myaktion/Dockerfile b/src/myaktion/Dockerfile
index d8022da86249db01e38769a8580b650fc25de8f5..77cd25e5be5b0c9d45c69ab5110677fb995ca28a 100644
--- a/src/myaktion/Dockerfile
+++ b/src/myaktion/Dockerfile
@@ -1,9 +1,18 @@
-FROM golang:1.20-buster
+FROM golang:1.16-buster
+# non-go modules dependencies
+RUN apt update
+RUN apt install -y protobuf-compiler
+RUN go install google.golang.org/protobuf/cmd/protoc-gen-go@v1.28
+RUN go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@1.2
+# copy code and protobuf
 WORKDIR /go/src/app
-COPY . .
+COPY ./myaktion .
+COPY ./banktransfer/grpc/banktransfer/banktransfer.proto ./client/banktransfer/
 RUN go mod download
+RUN go generate ./...
 RUN go install
+RUN wget https://raw.githubusercontent.com/vishnubob/wait-for-it/81b1373f17855a4dc21156cfe1694c31d7d1792e/wait-for-it.sh
 RUN chmod +x ./wait-for-it.sh ./docker-entrypoint.sh
 ENTRYPOINT ["./docker-entrypoint.sh"]
 CMD ["myaktion"]
-EXPOSE 8000
+EXPOSE 8000
\ No newline at end of file
diff --git a/src/myaktion/client/banktransfer.go b/src/myaktion/client/banktransfer.go
new file mode 100644
index 0000000000000000000000000000000000000000..0b684be231a6b6dcd76d8a0e9580d0a2ad9f1acc
--- /dev/null
+++ b/src/myaktion/client/banktransfer.go
@@ -0,0 +1,29 @@
+package client
+
+import (
+	"context"
+	"os"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+	"google.golang.org/grpc"
+)
+
+var (
+	TimeoutLimitation  = time.Second * 10
+	bankTransferTarget = os.Getenv("BANKTRANSFER_CONNECT")
+)
+
+func GetBankTransferConnection() (*grpc.ClientConn, error) {
+	var err error
+	log.WithFields(log.Fields{
+		"target": bankTransferTarget,
+	}).Infoln("Connecting to banktransfer service")
+	var conn *grpc.ClientConn
+	ctx, _ := context.WithTimeout(context.Background(), TimeoutLimitation)
+	conn, err = grpc.DialContext(ctx, bankTransferTarget, grpc.WithInsecure(), grpc.WithBlock())
+	if err != nil {
+		return nil, err
+	}
+	return conn, nil
+}
diff --git a/src/myaktion/client/banktransfer/banktransfer.pb.go b/src/myaktion/client/banktransfer/banktransfer.pb.go
new file mode 100644
index 0000000000000000000000000000000000000000..0fe9fbc77f00a2edf90e32dffd7f2feb427f15c4
--- /dev/null
+++ b/src/myaktion/client/banktransfer/banktransfer.pb.go
@@ -0,0 +1,365 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.30.0
+// 	protoc        v3.12.4
+// source: banktransfer/banktransfer.proto
+
+package banktransfer
+
+import (
+	empty "github.com/golang/protobuf/ptypes/empty"
+	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+	reflect "reflect"
+	sync "sync"
+)
+
+const (
+	// Verify that this generated code is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
+	// Verify that runtime/protoimpl is sufficiently up-to-date.
+	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
+)
+
+type Account struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Name     string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
+	BankName string `protobuf:"bytes,2,opt,name=bank_name,json=bankName,proto3" json:"bank_name,omitempty"`
+	Number   string `protobuf:"bytes,3,opt,name=number,proto3" json:"number,omitempty"`
+}
+
+func (x *Account) Reset() {
+	*x = Account{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_banktransfer_banktransfer_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Account) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Account) ProtoMessage() {}
+
+func (x *Account) ProtoReflect() protoreflect.Message {
+	mi := &file_banktransfer_banktransfer_proto_msgTypes[0]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Account.ProtoReflect.Descriptor instead.
+func (*Account) Descriptor() ([]byte, []int) {
+	return file_banktransfer_banktransfer_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *Account) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *Account) GetBankName() string {
+	if x != nil {
+		return x.BankName
+	}
+	return ""
+}
+
+func (x *Account) GetNumber() string {
+	if x != nil {
+		return x.Number
+	}
+	return ""
+}
+
+type Transaction struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id          int32    `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	DonationId  int32    `protobuf:"varint,2,opt,name=donation_id,json=donationId,proto3" json:"donation_id,omitempty"`
+	Amount      float32  `protobuf:"fixed32,3,opt,name=amount,proto3" json:"amount,omitempty"`
+	Reference   string   `protobuf:"bytes,4,opt,name=reference,proto3" json:"reference,omitempty"`
+	FromAccount *Account `protobuf:"bytes,5,opt,name=from_account,json=fromAccount,proto3" json:"from_account,omitempty"`
+	ToAccount   *Account `protobuf:"bytes,6,opt,name=to_account,json=toAccount,proto3" json:"to_account,omitempty"`
+}
+
+func (x *Transaction) Reset() {
+	*x = Transaction{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_banktransfer_banktransfer_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *Transaction) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Transaction) ProtoMessage() {}
+
+func (x *Transaction) ProtoReflect() protoreflect.Message {
+	mi := &file_banktransfer_banktransfer_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use Transaction.ProtoReflect.Descriptor instead.
+func (*Transaction) Descriptor() ([]byte, []int) {
+	return file_banktransfer_banktransfer_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *Transaction) GetId() int32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *Transaction) GetDonationId() int32 {
+	if x != nil {
+		return x.DonationId
+	}
+	return 0
+}
+
+func (x *Transaction) GetAmount() float32 {
+	if x != nil {
+		return x.Amount
+	}
+	return 0
+}
+
+func (x *Transaction) GetReference() string {
+	if x != nil {
+		return x.Reference
+	}
+	return ""
+}
+
+func (x *Transaction) GetFromAccount() *Account {
+	if x != nil {
+		return x.FromAccount
+	}
+	return nil
+}
+
+func (x *Transaction) GetToAccount() *Account {
+	if x != nil {
+		return x.ToAccount
+	}
+	return nil
+}
+
+type ProcessingResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id int32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *ProcessingResponse) Reset() {
+	*x = ProcessingResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_banktransfer_banktransfer_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ProcessingResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ProcessingResponse) ProtoMessage() {}
+
+func (x *ProcessingResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_banktransfer_banktransfer_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ProcessingResponse.ProtoReflect.Descriptor instead.
+func (*ProcessingResponse) Descriptor() ([]byte, []int) {
+	return file_banktransfer_banktransfer_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *ProcessingResponse) GetId() int32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+var File_banktransfer_banktransfer_proto protoreflect.FileDescriptor
+
+var file_banktransfer_banktransfer_proto_rawDesc = []byte{
+	0x0a, 0x1f, 0x62, 0x61, 0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2f, 0x62,
+	0x61, 0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2e, 0x70, 0x72, 0x6f, 0x74,
+	0x6f, 0x12, 0x0c, 0x62, 0x61, 0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x1a,
+	0x1b, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66,
+	0x2f, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x22, 0x52, 0x0a, 0x07,
+	0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x12, 0x0a, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x18,
+	0x01, 0x20, 0x01, 0x28, 0x09, 0x52, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x12, 0x1b, 0x0a, 0x09, 0x62,
+	0x61, 0x6e, 0x6b, 0x5f, 0x6e, 0x61, 0x6d, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x08,
+	0x62, 0x61, 0x6e, 0x6b, 0x4e, 0x61, 0x6d, 0x65, 0x12, 0x16, 0x0a, 0x06, 0x6e, 0x75, 0x6d, 0x62,
+	0x65, 0x72, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x06, 0x6e, 0x75, 0x6d, 0x62, 0x65, 0x72,
+	0x22, 0xe4, 0x01, 0x0a, 0x0b, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e,
+	0x12, 0x0e, 0x0a, 0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x02, 0x69, 0x64,
+	0x12, 0x1f, 0x0a, 0x0b, 0x64, 0x6f, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x5f, 0x69, 0x64, 0x18,
+	0x02, 0x20, 0x01, 0x28, 0x05, 0x52, 0x0a, 0x64, 0x6f, 0x6e, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x49,
+	0x64, 0x12, 0x16, 0x0a, 0x06, 0x61, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x03, 0x20, 0x01, 0x28,
+	0x02, 0x52, 0x06, 0x61, 0x6d, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x1c, 0x0a, 0x09, 0x72, 0x65, 0x66,
+	0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x18, 0x04, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x72, 0x65,
+	0x66, 0x65, 0x72, 0x65, 0x6e, 0x63, 0x65, 0x12, 0x38, 0x0a, 0x0c, 0x66, 0x72, 0x6f, 0x6d, 0x5f,
+	0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18, 0x05, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x15, 0x2e,
+	0x62, 0x61, 0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2e, 0x41, 0x63, 0x63,
+	0x6f, 0x75, 0x6e, 0x74, 0x52, 0x0b, 0x66, 0x72, 0x6f, 0x6d, 0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e,
+	0x74, 0x12, 0x34, 0x0a, 0x0a, 0x74, 0x6f, 0x5f, 0x61, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18,
+	0x06, 0x20, 0x01, 0x28, 0x0b, 0x32, 0x15, 0x2e, 0x62, 0x61, 0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e,
+	0x73, 0x66, 0x65, 0x72, 0x2e, 0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x52, 0x09, 0x74, 0x6f,
+	0x41, 0x63, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x22, 0x24, 0x0a, 0x12, 0x50, 0x72, 0x6f, 0x63, 0x65,
+	0x73, 0x73, 0x69, 0x6e, 0x67, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x12, 0x0e, 0x0a,
+	0x02, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x05, 0x52, 0x02, 0x69, 0x64, 0x32, 0xae, 0x01,
+	0x0a, 0x0c, 0x42, 0x61, 0x6e, 0x6b, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x12, 0x44,
+	0x0a, 0x0d, 0x54, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x4d, 0x6f, 0x6e, 0x65, 0x79, 0x12,
+	0x19, 0x2e, 0x62, 0x61, 0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2e, 0x54,
+	0x72, 0x61, 0x6e, 0x73, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x1a, 0x16, 0x2e, 0x67, 0x6f, 0x6f,
+	0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x45, 0x6d, 0x70,
+	0x74, 0x79, 0x22, 0x00, 0x12, 0x58, 0x0a, 0x13, 0x50, 0x72, 0x6f, 0x63, 0x65, 0x73, 0x73, 0x54,
+	0x72, 0x61, 0x6e, 0x73, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x73, 0x12, 0x20, 0x2e, 0x62, 0x61,
+	0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2e, 0x50, 0x72, 0x6f, 0x63, 0x65,
+	0x73, 0x73, 0x69, 0x6e, 0x67, 0x52, 0x65, 0x73, 0x70, 0x6f, 0x6e, 0x73, 0x65, 0x1a, 0x19, 0x2e,
+	0x62, 0x61, 0x6e, 0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2e, 0x54, 0x72, 0x61,
+	0x6e, 0x73, 0x61, 0x63, 0x74, 0x69, 0x6f, 0x6e, 0x22, 0x00, 0x28, 0x01, 0x30, 0x01, 0x42, 0x59,
+	0x5a, 0x57, 0x67, 0x69, 0x74, 0x6c, 0x61, 0x62, 0x2e, 0x72, 0x65, 0x75, 0x74, 0x6c, 0x69, 0x6e,
+	0x67, 0x65, 0x6e, 0x2d, 0x75, 0x6e, 0x69, 0x76, 0x65, 0x72, 0x73, 0x69, 0x74, 0x79, 0x2e, 0x64,
+	0x65, 0x2f, 0x61, 0x6c, 0x62, 0x72, 0x65, 0x63, 0x68, 0x74, 0x2f, 0x6d, 0x79, 0x61, 0x6b, 0x74,
+	0x69, 0x6f, 0x6e, 0x2d, 0x67, 0x6f, 0x2f, 0x73, 0x72, 0x63, 0x2f, 0x62, 0x61, 0x6e, 0x6b, 0x74,
+	0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x2f, 0x67, 0x72, 0x70, 0x63, 0x2f, 0x62, 0x61, 0x6e,
+	0x6b, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x66, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f,
+	0x33,
+}
+
+var (
+	file_banktransfer_banktransfer_proto_rawDescOnce sync.Once
+	file_banktransfer_banktransfer_proto_rawDescData = file_banktransfer_banktransfer_proto_rawDesc
+)
+
+func file_banktransfer_banktransfer_proto_rawDescGZIP() []byte {
+	file_banktransfer_banktransfer_proto_rawDescOnce.Do(func() {
+		file_banktransfer_banktransfer_proto_rawDescData = protoimpl.X.CompressGZIP(file_banktransfer_banktransfer_proto_rawDescData)
+	})
+	return file_banktransfer_banktransfer_proto_rawDescData
+}
+
+var file_banktransfer_banktransfer_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
+var file_banktransfer_banktransfer_proto_goTypes = []interface{}{
+	(*Account)(nil),            // 0: banktransfer.Account
+	(*Transaction)(nil),        // 1: banktransfer.Transaction
+	(*ProcessingResponse)(nil), // 2: banktransfer.ProcessingResponse
+	(*empty.Empty)(nil),        // 3: google.protobuf.Empty
+}
+var file_banktransfer_banktransfer_proto_depIdxs = []int32{
+	0, // 0: banktransfer.Transaction.from_account:type_name -> banktransfer.Account
+	0, // 1: banktransfer.Transaction.to_account:type_name -> banktransfer.Account
+	1, // 2: banktransfer.BankTransfer.TransferMoney:input_type -> banktransfer.Transaction
+	2, // 3: banktransfer.BankTransfer.ProcessTransactions:input_type -> banktransfer.ProcessingResponse
+	3, // 4: banktransfer.BankTransfer.TransferMoney:output_type -> google.protobuf.Empty
+	1, // 5: banktransfer.BankTransfer.ProcessTransactions:output_type -> banktransfer.Transaction
+	4, // [4:6] is the sub-list for method output_type
+	2, // [2:4] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_banktransfer_banktransfer_proto_init() }
+func file_banktransfer_banktransfer_proto_init() {
+	if File_banktransfer_banktransfer_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_banktransfer_banktransfer_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Account); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_banktransfer_banktransfer_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*Transaction); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_banktransfer_banktransfer_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ProcessingResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+	}
+	type x struct{}
+	out := protoimpl.TypeBuilder{
+		File: protoimpl.DescBuilder{
+			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+			RawDescriptor: file_banktransfer_banktransfer_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   3,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_banktransfer_banktransfer_proto_goTypes,
+		DependencyIndexes: file_banktransfer_banktransfer_proto_depIdxs,
+		MessageInfos:      file_banktransfer_banktransfer_proto_msgTypes,
+	}.Build()
+	File_banktransfer_banktransfer_proto = out.File
+	file_banktransfer_banktransfer_proto_rawDesc = nil
+	file_banktransfer_banktransfer_proto_goTypes = nil
+	file_banktransfer_banktransfer_proto_depIdxs = nil
+}
diff --git a/src/myaktion/client/banktransfer/banktransfer.proto b/src/myaktion/client/banktransfer/banktransfer.proto
new file mode 100644
index 0000000000000000000000000000000000000000..a6ea937d1fde43ef2cfc5babc3dfc9a1a26bbf77
--- /dev/null
+++ b/src/myaktion/client/banktransfer/banktransfer.proto
@@ -0,0 +1,29 @@
+syntax = "proto3";
+
+package banktransfer;
+
+import "google/protobuf/empty.proto";
+
+option go_package = "gitlab.reutlingen-university.de/albrecht/myaktion-go/src/banktransfer/grpc/banktransfer";
+
+service BankTransfer {
+    rpc TransferMoney (Transaction) returns (google.protobuf.Empty) {}
+    rpc ProcessTransactions (stream ProcessingResponse) returns (stream Transaction) {}
+}
+
+message Account {
+	string name = 1;
+	string bank_name =2;
+	string number = 3;
+	}
+	message Transaction {
+	int32 id = 1;
+	int32 donation_id = 2;
+	float amount = 3;
+	string reference = 4;
+	Account from_account = 5;
+	Account to_account = 6;
+	}
+	message ProcessingResponse {
+	int32 id = 1;
+}
\ No newline at end of file
diff --git a/src/myaktion/client/banktransfer/banktransfer_grpc.pb.go b/src/myaktion/client/banktransfer/banktransfer_grpc.pb.go
new file mode 100644
index 0000000000000000000000000000000000000000..edc2f69bb4c4cb43109851e8c35fe280e995c79a
--- /dev/null
+++ b/src/myaktion/client/banktransfer/banktransfer_grpc.pb.go
@@ -0,0 +1,180 @@
+// Code generated by protoc-gen-go-grpc. DO NOT EDIT.
+// versions:
+// - protoc-gen-go-grpc v1.3.0
+// - protoc             v3.12.4
+// source: banktransfer/banktransfer.proto
+
+package banktransfer
+
+import (
+	context "context"
+	empty "github.com/golang/protobuf/ptypes/empty"
+	grpc "google.golang.org/grpc"
+	codes "google.golang.org/grpc/codes"
+	status "google.golang.org/grpc/status"
+)
+
+// This is a compile-time assertion to ensure that this generated file
+// is compatible with the grpc package it is being compiled against.
+// Requires gRPC-Go v1.32.0 or later.
+const _ = grpc.SupportPackageIsVersion7
+
+const (
+	BankTransfer_TransferMoney_FullMethodName       = "/banktransfer.BankTransfer/TransferMoney"
+	BankTransfer_ProcessTransactions_FullMethodName = "/banktransfer.BankTransfer/ProcessTransactions"
+)
+
+// BankTransferClient is the client API for BankTransfer service.
+//
+// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
+type BankTransferClient interface {
+	TransferMoney(ctx context.Context, in *Transaction, opts ...grpc.CallOption) (*empty.Empty, error)
+	ProcessTransactions(ctx context.Context, opts ...grpc.CallOption) (BankTransfer_ProcessTransactionsClient, error)
+}
+
+type bankTransferClient struct {
+	cc grpc.ClientConnInterface
+}
+
+func NewBankTransferClient(cc grpc.ClientConnInterface) BankTransferClient {
+	return &bankTransferClient{cc}
+}
+
+func (c *bankTransferClient) TransferMoney(ctx context.Context, in *Transaction, opts ...grpc.CallOption) (*empty.Empty, error) {
+	out := new(empty.Empty)
+	err := c.cc.Invoke(ctx, BankTransfer_TransferMoney_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *bankTransferClient) ProcessTransactions(ctx context.Context, opts ...grpc.CallOption) (BankTransfer_ProcessTransactionsClient, error) {
+	stream, err := c.cc.NewStream(ctx, &BankTransfer_ServiceDesc.Streams[0], BankTransfer_ProcessTransactions_FullMethodName, opts...)
+	if err != nil {
+		return nil, err
+	}
+	x := &bankTransferProcessTransactionsClient{stream}
+	return x, nil
+}
+
+type BankTransfer_ProcessTransactionsClient interface {
+	Send(*ProcessingResponse) error
+	Recv() (*Transaction, error)
+	grpc.ClientStream
+}
+
+type bankTransferProcessTransactionsClient struct {
+	grpc.ClientStream
+}
+
+func (x *bankTransferProcessTransactionsClient) Send(m *ProcessingResponse) error {
+	return x.ClientStream.SendMsg(m)
+}
+
+func (x *bankTransferProcessTransactionsClient) Recv() (*Transaction, error) {
+	m := new(Transaction)
+	if err := x.ClientStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// BankTransferServer is the server API for BankTransfer service.
+// All implementations must embed UnimplementedBankTransferServer
+// for forward compatibility
+type BankTransferServer interface {
+	TransferMoney(context.Context, *Transaction) (*empty.Empty, error)
+	ProcessTransactions(BankTransfer_ProcessTransactionsServer) error
+	mustEmbedUnimplementedBankTransferServer()
+}
+
+// UnimplementedBankTransferServer must be embedded to have forward compatible implementations.
+type UnimplementedBankTransferServer struct {
+}
+
+func (UnimplementedBankTransferServer) TransferMoney(context.Context, *Transaction) (*empty.Empty, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method TransferMoney not implemented")
+}
+func (UnimplementedBankTransferServer) ProcessTransactions(BankTransfer_ProcessTransactionsServer) error {
+	return status.Errorf(codes.Unimplemented, "method ProcessTransactions not implemented")
+}
+func (UnimplementedBankTransferServer) mustEmbedUnimplementedBankTransferServer() {}
+
+// UnsafeBankTransferServer may be embedded to opt out of forward compatibility for this service.
+// Use of this interface is not recommended, as added methods to BankTransferServer will
+// result in compilation errors.
+type UnsafeBankTransferServer interface {
+	mustEmbedUnimplementedBankTransferServer()
+}
+
+func RegisterBankTransferServer(s grpc.ServiceRegistrar, srv BankTransferServer) {
+	s.RegisterService(&BankTransfer_ServiceDesc, srv)
+}
+
+func _BankTransfer_TransferMoney_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(Transaction)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(BankTransferServer).TransferMoney(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: BankTransfer_TransferMoney_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(BankTransferServer).TransferMoney(ctx, req.(*Transaction))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _BankTransfer_ProcessTransactions_Handler(srv interface{}, stream grpc.ServerStream) error {
+	return srv.(BankTransferServer).ProcessTransactions(&bankTransferProcessTransactionsServer{stream})
+}
+
+type BankTransfer_ProcessTransactionsServer interface {
+	Send(*Transaction) error
+	Recv() (*ProcessingResponse, error)
+	grpc.ServerStream
+}
+
+type bankTransferProcessTransactionsServer struct {
+	grpc.ServerStream
+}
+
+func (x *bankTransferProcessTransactionsServer) Send(m *Transaction) error {
+	return x.ServerStream.SendMsg(m)
+}
+
+func (x *bankTransferProcessTransactionsServer) Recv() (*ProcessingResponse, error) {
+	m := new(ProcessingResponse)
+	if err := x.ServerStream.RecvMsg(m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
+// BankTransfer_ServiceDesc is the grpc.ServiceDesc for BankTransfer service.
+// It's only intended for direct use with grpc.RegisterService,
+// and not to be introspected or modified (even as a copy)
+var BankTransfer_ServiceDesc = grpc.ServiceDesc{
+	ServiceName: "banktransfer.BankTransfer",
+	HandlerType: (*BankTransferServer)(nil),
+	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "TransferMoney",
+			Handler:    _BankTransfer_TransferMoney_Handler,
+		},
+	},
+	Streams: []grpc.StreamDesc{
+		{
+			StreamName:    "ProcessTransactions",
+			Handler:       _BankTransfer_ProcessTransactions_Handler,
+			ServerStreams: true,
+			ClientStreams: true,
+		},
+	},
+	Metadata: "banktransfer/banktransfer.proto",
+}
diff --git a/src/myaktion/client/gen.go b/src/myaktion/client/gen.go
new file mode 100644
index 0000000000000000000000000000000000000000..b45f11ff5ebca441fe314bbdb36dcdb1c602bc15
--- /dev/null
+++ b/src/myaktion/client/gen.go
@@ -0,0 +1,3 @@
+package client
+
+//go:generate protoc --go_out=. --go_opt=paths=source_relative --go-grpc_out=. --go-grpc_opt=paths=source_relative banktransfer/banktransfer.proto
diff --git a/src/myaktion/docker-entrypoint.sh b/src/myaktion/docker-entrypoint.sh
index 4fcb749ffa0bddfcb9c1ef607320164660dc1f26..928de3806ae06c5ebee1d6be24726a4ed45ef18d 100644
--- a/src/myaktion/docker-entrypoint.sh
+++ b/src/myaktion/docker-entrypoint.sh
@@ -8,5 +8,10 @@ if [ -n "$DB_CONNECT" ]; then
     /go/src/app/wait-for-it.sh "$DB_CONNECT" -t 40
 fi
 
+# Wait for banktransfer
+if [ -n "$BANKTRANSFER_CONNECT" ]; then
+    /go/src/app/wait-for-it.sh "$BANKTRANSFER_CONNECT" -t 20
+fi
+
 # Run the main container command.
 exec "$@"
\ No newline at end of file
diff --git a/src/myaktion/main.go b/src/myaktion/main.go
index 04282aa5fe627420eca0b5a91507401b6ce69ae8..a434fc55c8f956bf08f472e45588caa98fd7c1a7 100644
--- a/src/myaktion/main.go
+++ b/src/myaktion/main.go
@@ -35,6 +35,7 @@ func main() {
 	router.HandleFunc("/campaigns/{id}", handler.DeleteCampaign).Methods("DELETE")
 	router.HandleFunc("/campaigns/{id}/donation", handler.AddDonation).Methods("POST")
 
+	go monitortransactions()
 	if err := http.ListenAndServe(":8000", router); err != nil {
 		log.Fatal(err)
 	}
diff --git a/src/myaktion/monitor.go b/src/myaktion/monitor.go
new file mode 100644
index 0000000000000000000000000000000000000000..ad81999e7e0c08b69d961a64096ae2f6188a9fb8
--- /dev/null
+++ b/src/myaktion/monitor.go
@@ -0,0 +1,52 @@
+package main
+
+import (
+	"context"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+	"gitlab.reutlingen-university.de/albrecht/myaktion-go/src/myaktion/client"
+	"gitlab.reutlingen-university.de/albrecht/myaktion-go/src/myaktion/client/banktransfer"
+)
+
+func monitortransactions() {
+	for {
+		connectandmonitor()
+		time.Sleep(time.Second)
+	}
+}
+
+func connectandmonitor() {
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	conn, err := client.GetBankTransferConnection(ctx)
+	if err != nil {
+		log.WithError(err).Fatal("error connecting to the banktransfer service")
+	}
+	defer conn.Close()
+	banktransferClient := banktransfer.NewBankTransferClient(conn)
+	watcher, err := banktransferClient.ProcessTransactions(ctx)
+	if err != nil {
+		log.WithError(err).Fatal("error watching transactions")
+	}
+	log.Info("Successfully connected to banktransfer service for processing transactions")
+	for {
+		transaction, err := watcher.Recv()
+		if err != nil {
+			if _, deadline := ctx.Deadline(); deadline {
+				log.Info("deadline reached. reconnect client")
+				break
+			}
+			log.WithError(err).Error("error receiving transaction")
+			continue
+		}
+		entry := log.WithField("transaction", transaction)
+		entry.Info("Received transaction. Sending processing response")
+		err = watcher.Send(&banktransfer.ProcessingResponse{Id: transaction.Id})
+		if err != nil {
+			entry.WithError(err).Error("error sending processing response")
+			continue
+		}
+		entry.Info("Processing response sent")
+	}
+}
diff --git a/src/myaktion/service/donation.go b/src/myaktion/service/donation.go
index 59786eb009e06745ec7a64898b40da2a88f9d090..d0104f4cda8909e1dd5ae743429da72ce0dc77d6 100644
--- a/src/myaktion/service/donation.go
+++ b/src/myaktion/service/donation.go
@@ -1,20 +1,73 @@
 package service
 
 import (
+	"context"
+	"time"
+
 	log "github.com/sirupsen/logrus"
 
+	"gitlab.reutlingen-university.de/albrecht/myaktion-go/src/myaktion/client"
+	"gitlab.reutlingen-university.de/albrecht/myaktion-go/src/myaktion/client/banktransfer"
 	"gitlab.reutlingen-university.de/albrecht/myaktion-go/src/myaktion/db"
 	"gitlab.reutlingen-university.de/albrecht/myaktion-go/src/myaktion/model"
 )
 
 func AddDonation(campaignId uint, donation *model.Donation) error {
+	campaign, err := GetCampaign(campaignId)
+	if err != nil {
+		return err
+	}
 	donation.CampaignID = campaignId
 	result := db.DB.Create(donation)
 	if result.Error != nil {
 		return result.Error
 	}
+	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
+	defer cancel()
+	conn, err := client.GetBankTransferConnection(ctx)
+	if err != nil {
+		log.Errorf("error connecting to the banktransfer service: %v", err)
+		deleteDonation(donation)
+		return err
+	}
+	defer conn.Close()
+	banktransferClient := banktransfer.NewBankTransferClient(conn)
+	_, err = banktransferClient.TransferMoney(ctx, &banktransfer.Transaction{
+		DonationId:  int32(donation.ID),
+		Amount:      float32(donation.Amount),
+		Reference:   "Donation",
+		FromAccount: convertAccount(&donation.Account),
+		ToAccount:   convertAccount(&campaign.Account),
+	})
+	if err != nil {
+		log.Errorf("error calling the banktransfer service: %v", err)
+		deleteDonation(donation)
+		return err
+	}
 	entry := log.WithField("ID", campaignId)
 	entry.Info("Successfully added new donation to campaign in database.")
 	entry.Tracef("Stored: %v", donation)
 	return nil
 }
+
+// Helper-Funktionen
+func convertAccount(account *model.Account) *banktransfer.Account {
+	return &banktransfer.Account{
+		Name:     account.Name,
+		BankName: account.BankName,
+		Number:   account.Number,
+	}
+}
+
+func deleteDonation(donation *model.Donation) error {
+	entry := log.WithField("donationID", donation.ID)
+	entry.Info("Trying to delete donation to make state consistent.")
+	result := db.DB.Delete(donation)
+	if result.Error != nil {
+		// Note: configure logger to raise an alarm to compensate inconsistent state
+		entry.WithField("alarm", true).Error("")
+		return result.Error
+	}
+	entry.Info("Successfully deleted campaign.")
+	return nil
+}