diff --git a/client.go b/client.go
index 7da3a9e9..b709c8a3 100644
--- a/client.go
+++ b/client.go
@@ -3,6 +3,7 @@ package loop
 import (
 	"context"
 	"errors"
+	"fmt"
 	"strings"
 	"sync"
 	"sync/atomic"
@@ -33,20 +34,10 @@ var (
 	// more than the server maximum.
 	ErrSwapAmountTooHigh = errors.New("swap amount too high")
 
-	// ErrExpiryTooSoon is returned when the server proposes an expiry that
-	// is too soon for us.
-	ErrExpiryTooSoon = errors.New("swap expiry too soon")
-
 	// ErrExpiryTooFar is returned when the server proposes an expiry that
 	// is too soon for us.
 	ErrExpiryTooFar = errors.New("swap expiry too far")
 
-	// ErrSweepConfTargetTooFar is returned when the client proposes a
-	// confirmation target to sweep the on-chain HTLC of a Loop Out that is
-	// beyond the expiration height proposed by the server.
-	ErrSweepConfTargetTooFar = errors.New("sweep confirmation target is " +
-		"beyond swap expiration height")
-
 	// serverRPCTimeout is the maximum time a gRPC request to the server
 	// should be allowed to take.
 	serverRPCTimeout = 30 * time.Second
@@ -363,8 +354,21 @@ func (s *Client) LoopOut(globalCtx context.Context,
 		return nil, err
 	}
 
-	// Create a new swap object for this swap.
+	// Calculate htlc expiry height.
+	terms, err := s.Server.GetLoopOutTerms(globalCtx)
+	if err != nil {
+		return nil, err
+	}
+
 	initiationHeight := s.executor.height()
+	request.Expiry, err = s.getExpiry(
+		initiationHeight, terms, request.SweepConfTarget,
+	)
+	if err != nil {
+		return nil, err
+	}
+
+	// Create a new swap object for this swap.
 	swapCfg := newSwapConfig(s.lndServices, s.Store, s.Server)
 	initResult, err := newLoopOutSwap(
 		globalCtx, swapCfg, initiationHeight, request,
@@ -386,6 +390,24 @@ func (s *Client) LoopOut(globalCtx context.Context,
 	}, nil
 }
 
+// getExpiry returns an absolute expiry height based on the sweep confirmation
+// target, constrained by the server terms.
+func (s *Client) getExpiry(height int32, terms *LoopOutTerms,
+	confTarget int32) (int32, error) {
+
+	switch {
+	case confTarget < terms.MinCltvDelta:
+		return height + terms.MinCltvDelta, nil
+
+	case confTarget > terms.MaxCltvDelta:
+		return 0, fmt.Errorf("confirmation target %v exceeds maximum "+
+			"server cltv delta of %v", confTarget,
+			terms.MaxCltvDelta)
+	}
+
+	return height + confTarget, nil
+}
+
 // LoopOutQuote takes a LoopOut amount and returns a break down of estimated
 // costs for the client. Both the swap server and the on-chain fee estimator
 // are queried to get to build the quote response.
@@ -405,8 +427,14 @@ func (s *Client) LoopOutQuote(ctx context.Context,
 		return nil, ErrSwapAmountTooHigh
 	}
 
+	height := s.executor.height()
+	expiry, err := s.getExpiry(height, terms, request.SweepConfTarget)
+	if err != nil {
+		return nil, err
+	}
+
 	quote, err := s.Server.GetLoopOutQuote(
-		ctx, request.Amount, request.SwapPublicationDeadline,
+		ctx, request.Amount, expiry, request.SwapPublicationDeadline,
 	)
 	if err != nil {
 		return nil, err
@@ -440,7 +468,6 @@ func (s *Client) LoopOutQuote(ctx context.Context,
 		MinerFee:        minerFee,
 		PrepayAmount:    quote.PrepayAmount,
 		SwapPaymentDest: quote.SwapPaymentDest,
-		CltvDelta:       quote.CltvDelta,
 	}, nil
 }
 
diff --git a/cmd/loop/terms.go b/cmd/loop/terms.go
index db0199f7..46dc1bad 100644
--- a/cmd/loop/terms.go
+++ b/cmd/loop/terms.go
@@ -39,6 +39,9 @@ func terms(ctx *cli.Context) error {
 			loopOutTerms.MinSwapAmount,
 			loopOutTerms.MaxSwapAmount,
 		)
+		fmt.Printf("Cltv delta: %d - %d\n",
+			loopOutTerms.MinCltvDelta, loopOutTerms.MaxCltvDelta,
+		)
 	}
 
 	fmt.Println()
diff --git a/interface.go b/interface.go
index f21c89bc..a1be6d67 100644
--- a/interface.go
+++ b/interface.go
@@ -71,6 +71,9 @@ type OutRequest struct {
 	// SwapPublicationDeadline can be set by the client to allow the server
 	// delaying publication of the swap HTLC to save on chain fees.
 	SwapPublicationDeadline time.Time
+
+	// Expiry is the absolute expiry height of the on-chain htlc.
+	Expiry int32
 }
 
 // Out contains the full details of a loop out request. This includes things
@@ -124,6 +127,12 @@ type LoopOutTerms struct {
 	// MaxSwapAmount is the maximum amount that the server accepts for a
 	// swap.
 	MaxSwapAmount btcutil.Amount
+
+	// MinCltvDelta is the minimum expiry delta for loop out swaps.
+	MinCltvDelta int32
+
+	// MaxCltvDelta is the maximum expiry delta for loop out swaps.
+	MaxCltvDelta int32
 }
 
 // LoopOutQuote contains estimates for the fees making up the total swap cost
@@ -140,10 +149,6 @@ type LoopOutQuote struct {
 	// sweep the htlc.
 	MinerFee btcutil.Amount
 
-	// Time lock delta relative to current block height that swap server
-	// will accept on the swap initiation call.
-	CltvDelta int32
-
 	// SwapPaymentDest is the node pubkey where to swap payment needs to be
 	// sent to.
 	SwapPaymentDest [33]byte
diff --git a/loopd/swapclient_server.go b/loopd/swapclient_server.go
index a02c619d..2720af62 100644
--- a/loopd/swapclient_server.go
+++ b/loopd/swapclient_server.go
@@ -341,6 +341,8 @@ func (s *swapClientServer) LoopOutTerms(ctx context.Context,
 	return &looprpc.OutTermsResponse{
 		MinSwapAmount: int64(terms.MinSwapAmount),
 		MaxSwapAmount: int64(terms.MaxSwapAmount),
+		MinCltvDelta:  terms.MinCltvDelta,
+		MaxCltvDelta:  terms.MaxCltvDelta,
 	}, nil
 }
 
@@ -371,7 +373,6 @@ func (s *swapClientServer) LoopOutQuote(ctx context.Context,
 		PrepayAmtSat:    int64(quote.PrepayAmount),
 		SwapFeeSat:      int64(quote.SwapFee),
 		SwapPaymentDest: quote.SwapPaymentDest[:],
-		CltvDelta:       quote.CltvDelta,
 	}, nil
 }
 
diff --git a/loopout.go b/loopout.go
index e102cc96..5e26bc4f 100644
--- a/loopout.go
+++ b/loopout.go
@@ -106,13 +106,14 @@ func newLoopOutSwap(globalCtx context.Context, cfg *swapConfig,
 
 	// Post the swap parameters to the swap server. The response contains
 	// the server revocation key and the swap and prepay invoices.
-	log.Infof("Initiating swap request at height %v", currentHeight)
+	log.Infof("Initiating swap request at height %v: amt=%v, expiry=%v",
+		currentHeight, request.Amount, request.Expiry)
 
 	// The swap deadline will be given to the server for it to use as the
 	// latest swap publication time.
 	swapResp, err := cfg.server.NewLoopOutSwap(
-		globalCtx, swapHash, request.Amount, receiverKey,
-		request.SwapPublicationDeadline,
+		globalCtx, swapHash, request.Amount, request.Expiry,
+		receiverKey, request.SwapPublicationDeadline,
 	)
 	if err != nil {
 		return nil, fmt.Errorf("cannot initiate swap: %v", err)
@@ -150,7 +151,7 @@ func newLoopOutSwap(globalCtx context.Context, cfg *swapConfig,
 			SenderKey:        swapResp.senderKey,
 			Preimage:         swapPreimage,
 			AmountRequested:  request.Amount,
-			CltvExpiry:       swapResp.expiry,
+			CltvExpiry:       request.Expiry,
 			MaxMinerFee:      request.MaxMinerFee,
 			MaxSwapFee:       request.MaxSwapFee,
 		},
@@ -994,18 +995,5 @@ func validateLoopOutContract(lnd *lndclient.LndServices,
 		return ErrPrepayAmountTooHigh
 	}
 
-	if response.expiry-height < MinLoopOutPreimageRevealDelta {
-		log.Warnf("Proposed expiry %v (delta %v) too soon",
-			response.expiry, response.expiry-height)
-
-		return ErrExpiryTooSoon
-	}
-
-	// Ensure the client has provided a sweep confirmation target that does
-	// not exceed the height at which we revert back to using the default.
-	if height+request.SweepConfTarget >= response.expiry-DefaultSweepConfTargetDelta {
-		return ErrSweepConfTargetTooFar
-	}
-
 	return nil
 }
diff --git a/loopout_test.go b/loopout_test.go
index 0c7fa2d4..80d1625d 100644
--- a/loopout_test.go
+++ b/loopout_test.go
@@ -151,6 +151,8 @@ func TestLateHtlcPublish(t *testing.T) {
 
 	cfg := newSwapConfig(&lnd.LndServices, store, server)
 
+	testRequest.Expiry = height + testLoopOutMinOnChainCltvDelta
+
 	initResult, err := newLoopOutSwap(
 		context.Background(), cfg, height, testRequest,
 	)
@@ -225,12 +227,14 @@ func TestCustomSweepConfTarget(t *testing.T) {
 
 	// Use the highest sweep confirmation target before we attempt to use
 	// the default.
-	testRequest.SweepConfTarget = testLoopOutOnChainCltvDelta -
+	testReq := *testRequest
+
+	testReq.SweepConfTarget = testLoopOutMinOnChainCltvDelta -
 		DefaultSweepConfTargetDelta - 1
 
 	// Set up custom fee estimates such that the lower confirmation target
 	// yields a much higher fee rate.
-	ctx.Lnd.SetFeeEstimate(testRequest.SweepConfTarget, 250)
+	ctx.Lnd.SetFeeEstimate(testReq.SweepConfTarget, 250)
 	ctx.Lnd.SetFeeEstimate(DefaultSweepConfTarget, 10000)
 
 	cfg := newSwapConfig(
@@ -238,7 +242,7 @@ func TestCustomSweepConfTarget(t *testing.T) {
 	)
 
 	initResult, err := newLoopOutSwap(
-		context.Background(), cfg, ctx.Lnd.Height, testRequest,
+		context.Background(), cfg, ctx.Lnd.Height, &testReq,
 	)
 	if err != nil {
 		t.Fatal(err)
@@ -357,7 +361,7 @@ func TestCustomSweepConfTarget(t *testing.T) {
 
 	// The sweep should have a fee that corresponds to the custom
 	// confirmation target.
-	_ = assertSweepTx(testRequest.SweepConfTarget)
+	_ = assertSweepTx(testReq.SweepConfTarget)
 
 	// Once we have published an on chain sweep, we expect a preimage to
 	// have been pushed to our server.
@@ -374,8 +378,8 @@ func TestCustomSweepConfTarget(t *testing.T) {
 
 	// We'll then notify the height at which we begin using the default
 	// confirmation target.
-	defaultConfTargetHeight := ctx.Lnd.Height + testLoopOutOnChainCltvDelta -
-		DefaultSweepConfTargetDelta
+	defaultConfTargetHeight := ctx.Lnd.Height +
+		testLoopOutMinOnChainCltvDelta - DefaultSweepConfTargetDelta
 	blockEpochChan <- int32(defaultConfTargetHeight)
 	expiryChan <- time.Now()
 
@@ -424,15 +428,17 @@ func TestPreimagePush(t *testing.T) {
 
 	// Start with a high confirmation delta which will have a very high fee
 	// attached to it.
-	testRequest.SweepConfTarget = testLoopOutOnChainCltvDelta -
+	testReq := *testRequest
+	testReq.SweepConfTarget = testLoopOutMinOnChainCltvDelta -
 		DefaultSweepConfTargetDelta - 1
+	testReq.Expiry = ctx.Lnd.Height + testLoopOutMinOnChainCltvDelta
 
 	// We set our mock fee estimate for our target sweep confs to be our
 	// max miner fee *2, so that our fee will definitely be above what we
 	// are willing to pay, and we will not sweep.
 	ctx.Lnd.SetFeeEstimate(
-		testRequest.SweepConfTarget, chainfee.SatPerKWeight(
-			testRequest.MaxMinerFee*2,
+		testReq.SweepConfTarget, chainfee.SatPerKWeight(
+			testReq.MaxMinerFee*2,
 		),
 	)
 
@@ -446,7 +452,7 @@ func TestPreimagePush(t *testing.T) {
 	)
 
 	initResult, err := newLoopOutSwap(
-		context.Background(), cfg, ctx.Lnd.Height, testRequest,
+		context.Background(), cfg, ctx.Lnd.Height, &testReq,
 	)
 	require.NoError(t, err)
 	swap := initResult.swap
@@ -517,7 +523,7 @@ func TestPreimagePush(t *testing.T) {
 	// Now, we notify the height at which the client will start using the
 	// default confirmation target. This has the effect of lowering our fees
 	// so that the client still start sweeping.
-	defaultConfTargetHeight := ctx.Lnd.Height + testLoopOutOnChainCltvDelta -
+	defaultConfTargetHeight := ctx.Lnd.Height + testLoopOutMinOnChainCltvDelta -
 		DefaultSweepConfTargetDelta
 	blockEpochChan <- defaultConfTargetHeight
 
diff --git a/looprpc/client.pb.go b/looprpc/client.pb.go
index d4a20ee8..8bc9e32c 100644
--- a/looprpc/client.pb.go
+++ b/looprpc/client.pb.go
@@ -890,7 +890,11 @@ type OutTermsResponse struct {
 	MinSwapAmount int64 `protobuf:"varint,5,opt,name=min_swap_amount,json=minSwapAmount,proto3" json:"min_swap_amount,omitempty"`
 	//*
 	//Maximum swap amount (sat)
-	MaxSwapAmount        int64    `protobuf:"varint,6,opt,name=max_swap_amount,json=maxSwapAmount,proto3" json:"max_swap_amount,omitempty"`
+	MaxSwapAmount int64 `protobuf:"varint,6,opt,name=max_swap_amount,json=maxSwapAmount,proto3" json:"max_swap_amount,omitempty"`
+	// The minimally accepted cltv delta of the on-chain htlc.
+	MinCltvDelta int32 `protobuf:"varint,8,opt,name=min_cltv_delta,json=minCltvDelta,proto3" json:"min_cltv_delta,omitempty"`
+	// The maximally accepted cltv delta of the on-chain htlc.
+	MaxCltvDelta         int32    `protobuf:"varint,9,opt,name=max_cltv_delta,json=maxCltvDelta,proto3" json:"max_cltv_delta,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -935,6 +939,20 @@ func (m *OutTermsResponse) GetMaxSwapAmount() int64 {
 	return 0
 }
 
+func (m *OutTermsResponse) GetMinCltvDelta() int32 {
+	if m != nil {
+		return m.MinCltvDelta
+	}
+	return 0
+}
+
+func (m *OutTermsResponse) GetMaxCltvDelta() int32 {
+	if m != nil {
+		return m.MaxCltvDelta
+	}
+	return 0
+}
+
 type QuoteRequest struct {
 	//*
 	//The amount to swap in satoshis.
@@ -1374,109 +1392,111 @@ func init() {
 func init() { proto.RegisterFile("client.proto", fileDescriptor_014de31d7ac8c57c) }
 
 var fileDescriptor_014de31d7ac8c57c = []byte{
-	// 1619 bytes of a gzipped FileDescriptorProto
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+	// 1651 bytes of a gzipped FileDescriptorProto
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+	0xc1, 0xa3, 0x49, 0x5a, 0xde, 0x30, 0x49, 0x9f, 0xd5, 0x8b, 0xca, 0xf3, 0x7a, 0xf1, 0x07, 0x43,
+	0x55, 0x3d, 0x71, 0x33, 0x49, 0x79, 0x0f, 0xcc, 0x54, 0x1b, 0x3c, 0x41, 0x53, 0x87, 0x41, 0x68,
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+	0xe1, 0x74, 0xaa, 0xc0, 0xea, 0xe1, 0x7f, 0xb6, 0xb4, 0xda, 0x0f, 0xf0, 0x21, 0x4f, 0x5c, 0xa8,
+	0x25, 0x4f, 0x73, 0xb2, 0xbb, 0xbe, 0x0f, 0x85, 0xc7, 0x7a, 0xf7, 0x45, 0x41, 0x06, 0xd2, 0xfb,
+	0xe4, 0xec, 0xfe, 0xfe, 0x1f, 0xff, 0xfa, 0x63, 0x69, 0xdb, 0x31, 0xfb, 0xef, 0x3e, 0xeb, 0x2b,
+	0x46, 0x9f, 0xaf, 0xe4, 0x17, 0xc6, 0x01, 0xb9, 0x84, 0x2d, 0xfd, 0x42, 0x24, 0x2f, 0x0b, 0x26,
+	0xb3, 0x27, 0xe3, 0x53, 0x16, 0x5f, 0xa2, 0x45, 0xdb, 0x69, 0x66, 0x16, 0xfd, 0x50, 0x19, 0xfc,
+	0x29, 0xd4, 0x92, 0x37, 0x4b, 0xce, 0xc9, 0xe2, 0x2b, 0xa6, 0xbb, 0x49, 0xab, 0x7e, 0x62, 0x90,
+	0x5f, 0x41, 0x23, 0x93, 0x39, 0xb2, 0xb7, 0x76, 0xe7, 0x81, 0x1c, 0x76, 0xbb, 0x9b, 0x96, 0x8a,
+	0x6e, 0x11, 0x2b, 0x73, 0x0b, 0x25, 0x90, 0x5c, 0xe9, 0x32, 0x2b, 0x09, 0x24, 0x9d, 0xc2, 0xf1,
+	0x39, 0x55, 0xdc, 0xe8, 0x98, 0xd3, 0x45, 0x93, 0x1f, 0x12, 0x52, 0x30, 0xd9, 0xff, 0xd6, 0x9f,
+	0xff, 0x96, 0xfc, 0x1a, 0xcc, 0xa4, 0x00, 0x28, 0x54, 0x64, 0x9d, 0xac, 0xbc, 0x9a, 0x76, 0xd7,
+	0xc1, 0x3c, 0x94, 0xb4, 0x0d, 0xd6, 0xf9, 0x4a, 0xf6, 0x25, 0x5a, 0xbb, 0xce, 0xac, 0xe3, 0x00,
+	0xcc, 0x59, 0xcf, 0x4b, 0x49, 0xd1, 0x7a, 0x61, 0x54, 0x3a, 0x3d, 0xb4, 0xde, 0x25, 0x9d, 0x82,
+	0xf5, 0x6f, 0x14, 0xa7, 0xff, 0x2d, 0x0d, 0xa4, 0x8a, 0xc0, 0xfa, 0x8a, 0x49, 0x5d, 0xf2, 0x67,
+	0x63, 0x58, 0x67, 0xed, 0xc1, 0xc3, 0xc0, 0xd9, 0xc3, 0x43, 0x76, 0xc8, 0x76, 0xee, 0x2a, 0x64,
+	0x11, 0xac, 0xad, 0x3f, 0x1b, 0x43, 0xde, 0x7a, 0x31, 0x84, 0x8f, 0xd0, 0xfa, 0x1e, 0xd9, 0xcd,
+	0x5b, 0xcf, 0x47, 0xf0, 0x4b, 0x68, 0xa9, 0x33, 0xd2, 0x09, 0x28, 0x72, 0x37, 0xb9, 0x30, 0x66,
+	0xbb, 0xbb, 0x8f, 0xf0, 0x62, 0x77, 0x90, 0x36, 0x1e, 0x21, 0xa8, 0xec, 0xeb, 0xd1, 0x7a, 0xbd,
+	0x85, 0x7f, 0x8a, 0x3f, 0xff, 0x6f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x67, 0x1f, 0xc0, 0xa6, 0x4b,
+	0x0f, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/looprpc/client.proto b/looprpc/client.proto
index d30707a5..cfb7f3ae 100644
--- a/looprpc/client.proto
+++ b/looprpc/client.proto
@@ -447,6 +447,12 @@ message OutTermsResponse {
     Maximum swap amount (sat)
     */
     int64 max_swap_amount = 6;
+
+    // The minimally accepted cltv delta of the on-chain htlc.
+    int32 min_cltv_delta = 8;
+
+    // The maximally accepted cltv delta of the on-chain htlc.
+    int32 max_cltv_delta = 9;
 }
 
 message QuoteRequest {
diff --git a/looprpc/client.swagger.json b/looprpc/client.swagger.json
index 214ec87e..c27066ba 100644
--- a/looprpc/client.swagger.json
+++ b/looprpc/client.swagger.json
@@ -548,6 +548,16 @@
           "type": "string",
           "format": "int64",
           "title": "*\nMaximum swap amount (sat)"
+        },
+        "min_cltv_delta": {
+          "type": "integer",
+          "format": "int32",
+          "description": "The minimally accepted cltv delta of the on-chain htlc."
+        },
+        "max_cltv_delta": {
+          "type": "integer",
+          "format": "int32",
+          "description": "The maximally accepted cltv delta of the on-chain htlc."
         }
       }
     },
diff --git a/looprpc/server.pb.go b/looprpc/server.pb.go
index 71c15d1a..8d1e4a15 100644
--- a/looprpc/server.pb.go
+++ b/looprpc/server.pb.go
@@ -47,6 +47,8 @@ const (
 	//incoming liquidity more quickly than if the server waited for the on chain
 	//claim tx).
 	ProtocolVersion_PREIMAGE_PUSH_LOOP_OUT ProtocolVersion = 3
+	// The client will propose a cltv expiry height for loop out.
+	ProtocolVersion_USER_EXPIRY_LOOP_OUT ProtocolVersion = 4
 )
 
 var ProtocolVersion_name = map[int32]string{
@@ -54,6 +56,7 @@ var ProtocolVersion_name = map[int32]string{
 	1: "MULTI_LOOP_OUT",
 	2: "NATIVE_SEGWIT_LOOP_IN",
 	3: "PREIMAGE_PUSH_LOOP_OUT",
+	4: "USER_EXPIRY_LOOP_OUT",
 }
 
 var ProtocolVersion_value = map[string]int32{
@@ -61,6 +64,7 @@ var ProtocolVersion_value = map[string]int32{
 	"MULTI_LOOP_OUT":         1,
 	"NATIVE_SEGWIT_LOOP_IN":  2,
 	"PREIMAGE_PUSH_LOOP_OUT": 3,
+	"USER_EXPIRY_LOOP_OUT":   4,
 }
 
 func (x ProtocolVersion) String() string {
@@ -157,10 +161,14 @@ type ServerLoopOutRequest struct {
 	/// The unix time in seconds we want the on-chain swap to be published by.
 	SwapPublicationDeadline int64 `protobuf:"varint,4,opt,name=swap_publication_deadline,json=swapPublicationDeadline,proto3" json:"swap_publication_deadline,omitempty"`
 	/// The protocol version that the client adheres to.
-	ProtocolVersion      ProtocolVersion `protobuf:"varint,5,opt,name=protocol_version,json=protocolVersion,proto3,enum=looprpc.ProtocolVersion" json:"protocol_version,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
-	XXX_unrecognized     []byte          `json:"-"`
-	XXX_sizecache        int32           `json:"-"`
+	ProtocolVersion ProtocolVersion `protobuf:"varint,5,opt,name=protocol_version,json=protocolVersion,proto3,enum=looprpc.ProtocolVersion" json:"protocol_version,omitempty"`
+	// The requested absolute block height of the on-chain htlc. This is
+	// subjected to min and max constraints as reported in the LoopOutTerms
+	// response.
+	Expiry               int32    `protobuf:"varint,6,opt,name=expiry,proto3" json:"expiry,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *ServerLoopOutRequest) Reset()         { *m = ServerLoopOutRequest{} }
@@ -223,11 +231,20 @@ func (m *ServerLoopOutRequest) GetProtocolVersion() ProtocolVersion {
 	return ProtocolVersion_LEGACY
 }
 
+func (m *ServerLoopOutRequest) GetExpiry() int32 {
+	if m != nil {
+		return m.Expiry
+	}
+	return 0
+}
+
 type ServerLoopOutResponse struct {
 	SwapInvoice   string `protobuf:"bytes,1,opt,name=swap_invoice,json=swapInvoice,proto3" json:"swap_invoice,omitempty"`
 	PrepayInvoice string `protobuf:"bytes,2,opt,name=prepay_invoice,json=prepayInvoice,proto3" json:"prepay_invoice,omitempty"`
 	SenderKey     []byte `protobuf:"bytes,3,opt,name=sender_key,json=senderKey,proto3" json:"sender_key,omitempty"`
-	Expiry        int32  `protobuf:"varint,4,opt,name=expiry,proto3" json:"expiry,omitempty"`
+	// The height at which the on-chain htlc will expire. Deprecated because the
+	// field is already specified in the request.
+	Expiry int32 `protobuf:"varint,4,opt,name=expiry,proto3" json:"expiry,omitempty"` // Deprecated: Do not use.
 	// A human-readable message from the loop server.
 	ServerMessage        string   `protobuf:"bytes,5,opt,name=server_message,json=serverMessage,proto3" json:"server_message,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
@@ -281,6 +298,7 @@ func (m *ServerLoopOutResponse) GetSenderKey() []byte {
 	return nil
 }
 
+// Deprecated: Do not use.
 func (m *ServerLoopOutResponse) GetExpiry() int32 {
 	if m != nil {
 		return m.Expiry
@@ -301,10 +319,14 @@ type ServerLoopOutQuoteRequest struct {
 	/// The unix time in seconds we want the on-chain swap to be published by.
 	SwapPublicationDeadline int64 `protobuf:"varint,2,opt,name=swap_publication_deadline,json=swapPublicationDeadline,proto3" json:"swap_publication_deadline,omitempty"`
 	/// The protocol version that the client adheres to.
-	ProtocolVersion      ProtocolVersion `protobuf:"varint,3,opt,name=protocol_version,json=protocolVersion,proto3,enum=looprpc.ProtocolVersion" json:"protocol_version,omitempty"`
-	XXX_NoUnkeyedLiteral struct{}        `json:"-"`
-	XXX_unrecognized     []byte          `json:"-"`
-	XXX_sizecache        int32           `json:"-"`
+	ProtocolVersion ProtocolVersion `protobuf:"varint,3,opt,name=protocol_version,json=protocolVersion,proto3,enum=looprpc.ProtocolVersion" json:"protocol_version,omitempty"`
+	// The requested absolute block height of the on-chain htlc. This is
+	// subjected to min and max constraints as reported in the LoopOutTerms
+	// response.
+	Expiry               int32    `protobuf:"varint,4,opt,name=expiry,proto3" json:"expiry,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
 }
 
 func (m *ServerLoopOutQuoteRequest) Reset()         { *m = ServerLoopOutQuoteRequest{} }
@@ -353,16 +375,25 @@ func (m *ServerLoopOutQuoteRequest) GetProtocolVersion() ProtocolVersion {
 	return ProtocolVersion_LEGACY
 }
 
+func (m *ServerLoopOutQuoteRequest) GetExpiry() int32 {
+	if m != nil {
+		return m.Expiry
+	}
+	return 0
+}
+
 type ServerLoopOutQuote struct {
 	SwapPaymentDest string `protobuf:"bytes,1,opt,name=swap_payment_dest,json=swapPaymentDest,proto3" json:"swap_payment_dest,omitempty"`
 	/// The total estimated swap fee given the quote amt.
 	SwapFee int64 `protobuf:"varint,2,opt,name=swap_fee,json=swapFee,proto3" json:"swap_fee,omitempty"`
 	/// Deprecated, total swap fee given quote amt is calculated in swap_fee.
-	SwapFeeRate          int64    `protobuf:"varint,3,opt,name=swap_fee_rate,json=swapFeeRate,proto3" json:"swap_fee_rate,omitempty"` // Deprecated: Do not use.
-	PrepayAmt            uint64   `protobuf:"varint,4,opt,name=prepay_amt,json=prepayAmt,proto3" json:"prepay_amt,omitempty"`
-	MinSwapAmount        uint64   `protobuf:"varint,5,opt,name=min_swap_amount,json=minSwapAmount,proto3" json:"min_swap_amount,omitempty"` // Deprecated: Do not use.
-	MaxSwapAmount        uint64   `protobuf:"varint,6,opt,name=max_swap_amount,json=maxSwapAmount,proto3" json:"max_swap_amount,omitempty"` // Deprecated: Do not use.
-	CltvDelta            int32    `protobuf:"varint,7,opt,name=cltv_delta,json=cltvDelta,proto3" json:"cltv_delta,omitempty"`
+	SwapFeeRate   int64  `protobuf:"varint,3,opt,name=swap_fee_rate,json=swapFeeRate,proto3" json:"swap_fee_rate,omitempty"` // Deprecated: Do not use.
+	PrepayAmt     uint64 `protobuf:"varint,4,opt,name=prepay_amt,json=prepayAmt,proto3" json:"prepay_amt,omitempty"`
+	MinSwapAmount uint64 `protobuf:"varint,5,opt,name=min_swap_amount,json=minSwapAmount,proto3" json:"min_swap_amount,omitempty"` // Deprecated: Do not use.
+	MaxSwapAmount uint64 `protobuf:"varint,6,opt,name=max_swap_amount,json=maxSwapAmount,proto3" json:"max_swap_amount,omitempty"` // Deprecated: Do not use.
+	// The server-proposed cltv delta of the on-chain htlc. Deprecated because
+	// the field is already specified in the request.
+	CltvDelta            int32    `protobuf:"varint,7,opt,name=cltv_delta,json=cltvDelta,proto3" json:"cltv_delta,omitempty"` // Deprecated: Do not use.
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -438,6 +469,7 @@ func (m *ServerLoopOutQuote) GetMaxSwapAmount() uint64 {
 	return 0
 }
 
+// Deprecated: Do not use.
 func (m *ServerLoopOutQuote) GetCltvDelta() int32 {
 	if m != nil {
 		return m.CltvDelta
@@ -486,8 +518,12 @@ func (m *ServerLoopOutTermsRequest) GetProtocolVersion() ProtocolVersion {
 }
 
 type ServerLoopOutTerms struct {
-	MinSwapAmount        uint64   `protobuf:"varint,1,opt,name=min_swap_amount,json=minSwapAmount,proto3" json:"min_swap_amount,omitempty"`
-	MaxSwapAmount        uint64   `protobuf:"varint,2,opt,name=max_swap_amount,json=maxSwapAmount,proto3" json:"max_swap_amount,omitempty"`
+	MinSwapAmount uint64 `protobuf:"varint,1,opt,name=min_swap_amount,json=minSwapAmount,proto3" json:"min_swap_amount,omitempty"`
+	MaxSwapAmount uint64 `protobuf:"varint,2,opt,name=max_swap_amount,json=maxSwapAmount,proto3" json:"max_swap_amount,omitempty"`
+	// The minimally accepted cltv delta of the on-chain htlc.
+	MinCltvDelta int32 `protobuf:"varint,3,opt,name=min_cltv_delta,json=minCltvDelta,proto3" json:"min_cltv_delta,omitempty"`
+	// The maximally accepted cltv delta of the on-chain htlc.
+	MaxCltvDelta         int32    `protobuf:"varint,4,opt,name=max_cltv_delta,json=maxCltvDelta,proto3" json:"max_cltv_delta,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
@@ -532,6 +568,20 @@ func (m *ServerLoopOutTerms) GetMaxSwapAmount() uint64 {
 	return 0
 }
 
+func (m *ServerLoopOutTerms) GetMinCltvDelta() int32 {
+	if m != nil {
+		return m.MinCltvDelta
+	}
+	return 0
+}
+
+func (m *ServerLoopOutTerms) GetMaxCltvDelta() int32 {
+	if m != nil {
+		return m.MaxCltvDelta
+	}
+	return 0
+}
+
 type ServerLoopInRequest struct {
 	SenderKey   []byte `protobuf:"bytes,1,opt,name=sender_key,json=senderKey,proto3" json:"sender_key,omitempty"`
 	SwapHash    []byte `protobuf:"bytes,2,opt,name=swap_hash,json=swapHash,proto3" json:"swap_hash,omitempty"`
@@ -1135,83 +1185,87 @@ func init() {
 func init() { proto.RegisterFile("server.proto", fileDescriptor_ad098daeda4239f7) }
 
 var fileDescriptor_ad098daeda4239f7 = []byte{
-	// 1203 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x56, 0xcd, 0x72, 0xe2, 0x46,
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-	0x1c, 0x1f, 0xbc, 0x5b, 0x9b, 0x5b, 0x6e, 0x5a, 0x10, 0x46, 0xb5, 0x20, 0x11, 0x21, 0xec, 0xe4,
-	0x34, 0x91, 0x61, 0x62, 0x54, 0x01, 0x49, 0x2b, 0x09, 0xff, 0x54, 0x8e, 0x79, 0x8a, 0xbc, 0x44,
-	0x72, 0xca, 0x39, 0x4f, 0x91, 0x57, 0x48, 0x55, 0xde, 0x22, 0xa5, 0xd1, 0x08, 0x24, 0x90, 0x7f,
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+	0x5d, 0xb6, 0xc6, 0x5b, 0xb9, 0x35, 0x4e, 0x3e, 0x37, 0x99, 0x15, 0xc6, 0x79, 0x29, 0x6f, 0x7f,
+	0x83, 0x47, 0x70, 0x67, 0xa1, 0xc0, 0x6d, 0xef, 0xaf, 0xfa, 0x8b, 0x04, 0xad, 0x9c, 0x4d, 0xf4,
+	0x27, 0xd1, 0x69, 0x3f, 0xa4, 0x8e, 0x4b, 0x4e, 0xe8, 0x6d, 0xd2, 0x41, 0x4d, 0x58, 0x09, 0xc4,
+	0xb9, 0xe9, 0x96, 0xa6, 0xcf, 0xea, 0x67, 0xb0, 0x7d, 0x45, 0x13, 0xc9, 0x55, 0x51, 0x7f, 0x84,
+	0x07, 0x83, 0xc9, 0x51, 0x34, 0x0a, 0x9d, 0x23, 0x3a, 0x0c, 0x8e, 0x49, 0x4c, 0x6f, 0x55, 0xef,
+	0x2b, 0x7d, 0x44, 0x8d, 0xe1, 0xd3, 0x69, 0x71, 0xd1, 0xe4, 0xb4, 0x87, 0xd9, 0xf6, 0xc6, 0x8e,
+	0x4b, 0xa3, 0x98, 0xb8, 0x01, 0xf6, 0x22, 0x71, 0x9d, 0x6b, 0xd3, 0x98, 0x19, 0xa1, 0x3d, 0x58,
+	0x8a, 0xe2, 0xf4, 0x2a, 0x67, 0x9b, 0x4b, 0xd8, 0xb3, 0xb9, 0x0c, 0x58, 0xde, 0x4a, 0x60, 0x6a,
+	0x04, 0x8f, 0x73, 0x55, 0x0d, 0xef, 0xff, 0x2f, 0xba, 0xfb, 0xb3, 0x04, 0xeb, 0x73, 0x62, 0x21,
+	0x80, 0x4a, 0x57, 0x7f, 0xa9, 0xb5, 0xdf, 0x29, 0x9f, 0x20, 0x04, 0x6b, 0x87, 0xc3, 0xae, 0x6d,
+	0xe0, 0x6e, 0xaf, 0xd7, 0xc7, 0xbd, 0xa1, 0xad, 0x48, 0x68, 0x13, 0xee, 0x9b, 0x9a, 0x6d, 0xbc,
+	0xd6, 0xf1, 0x40, 0x7f, 0xf9, 0xc6, 0xb0, 0x93, 0x9c, 0x61, 0x2a, 0x32, 0x6a, 0xc2, 0x46, 0xdf,
+	0xd2, 0x8d, 0x43, 0xed, 0xa5, 0x8e, 0xfb, 0xc3, 0xc1, 0xc1, 0xec, 0xb5, 0x12, 0x6a, 0xc0, 0xbd,
+	0xe1, 0x40, 0xb7, 0xb0, 0xfe, 0xb6, 0x6f, 0x58, 0xef, 0x66, 0x99, 0xf2, 0xee, 0x1f, 0x32, 0xac,
+	0xcf, 0xf5, 0x87, 0x56, 0xa1, 0x6a, 0x98, 0x86, 0x6d, 0x68, 0xb6, 0xde, 0x49, 0xfa, 0x38, 0xb0,
+	0xbb, 0x6d, 0xdc, 0x1f, 0xbe, 0xe8, 0x1a, 0x83, 0x03, 0xbd, 0xa3, 0x48, 0xa8, 0x06, 0xcb, 0x83,
+	0x61, 0xbb, 0xad, 0x0f, 0x06, 0x8a, 0xcc, 0x00, 0xfb, 0x9a, 0xd1, 0xd5, 0x3b, 0x78, 0x68, 0xbe,
+	0x32, 0x7b, 0x6f, 0x4c, 0xa5, 0x94, 0x89, 0x99, 0x3d, 0xcc, 0x5e, 0x57, 0xca, 0xe8, 0x31, 0x34,
+	0x45, 0xcc, 0x30, 0x5f, 0x6b, 0x5d, 0xa3, 0xc3, 0x13, 0x58, 0x3b, 0xec, 0x0d, 0x4d, 0x5b, 0x59,
+	0x42, 0x8f, 0xa0, 0x21, 0xf2, 0xbd, 0xfd, 0x7d, 0xdc, 0x3e, 0xd0, 0x0c, 0x13, 0xdb, 0xc6, 0xa1,
+	0xce, 0x3a, 0xad, 0x64, 0x4e, 0x4c, 0x63, 0xcb, 0x8c, 0x97, 0x88, 0x0d, 0xde, 0x68, 0x7d, 0xdc,
+	0xd1, 0xb5, 0x4e, 0xd7, 0x30, 0x75, 0x65, 0x05, 0x3d, 0x84, 0x07, 0x22, 0x33, 0xeb, 0xbd, 0xad,
+	0xd9, 0x46, 0xcf, 0x54, 0xaa, 0xe8, 0x3e, 0xdc, 0x11, 0x67, 0x64, 0x48, 0x01, 0xda, 0x00, 0x34,
+	0x34, 0xf5, 0xb7, 0x7d, 0xbd, 0x6d, 0xeb, 0x1d, 0xcc, 0x5e, 0x1f, 0x5a, 0xba, 0x52, 0x9b, 0x0a,
+	0xd0, 0xee, 0x99, 0xfb, 0x86, 0x75, 0xa8, 0x77, 0x94, 0xfa, 0xf3, 0xdf, 0x2a, 0x00, 0x5c, 0x31,
+	0xae, 0x1d, 0xea, 0x41, 0x3d, 0xf7, 0xf9, 0x57, 0xe7, 0x86, 0x5f, 0xf0, 0xf7, 0xa3, 0xf9, 0xf0,
+	0x0a, 0x0c, 0xea, 0xc1, 0x9a, 0x49, 0x3f, 0x88, 0x10, 0x2b, 0x84, 0xb6, 0x8a, 0xe1, 0xe9, 0x69,
+	0x8f, 0x2f, 0x4b, 0x8b, 0x0b, 0x3c, 0x86, 0xbb, 0x05, 0x4b, 0x8f, 0xbe, 0x2a, 0x7e, 0xad, 0xc0,
+	0x9d, 0x9a, 0xbb, 0xd7, 0x81, 0x8a, 0x6a, 0x33, 0x3d, 0x92, 0x3f, 0xa4, 0x97, 0xe8, 0x91, 0xfd,
+	0x2e, 0x5e, 0xa6, 0x47, 0x72, 0x40, 0x17, 0x6a, 0x59, 0x7b, 0xde, 0x2e, 0xc0, 0xe6, 0xbf, 0x0d,
+	0xcd, 0xe6, 0xe5, 0x10, 0xd4, 0x85, 0x55, 0xa1, 0xae, 0xc1, 0xcd, 0x1c, 0x3d, 0x2a, 0x04, 0xa7,
+	0x47, 0x6d, 0x5d, 0x92, 0x15, 0x64, 0xed, 0xb4, 0xb7, 0xa4, 0xd5, 0xe2, 0xde, 0x72, 0x54, 0xd5,
+	0xab, 0x20, 0xe2, 0xd4, 0x93, 0x8c, 0x0d, 0xe7, 0x9d, 0x10, 0xb5, 0x66, 0xaf, 0x17, 0x1b, 0x75,
+	0x73, 0x67, 0x11, 0x51, 0xec, 0xa6, 0xcf, 0x24, 0x44, 0x61, 0xa3, 0xd8, 0xfc, 0xae, 0x51, 0xe7,
+	0xcb, 0xe2, 0x3a, 0x0b, 0xfe, 0xf9, 0x4c, 0x3a, 0xaa, 0xf0, 0xef, 0xc0, 0xd7, 0xff, 0x06, 0x00,
+	0x00, 0xff, 0xff, 0x95, 0x8b, 0xab, 0x97, 0x7b, 0x0f, 0x00, 0x00,
 }
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/looprpc/server.proto b/looprpc/server.proto
index b824c6df..dec7d897 100644
--- a/looprpc/server.proto
+++ b/looprpc/server.proto
@@ -54,6 +54,9 @@ enum ProtocolVersion {
     claim tx).
     */
     PREIMAGE_PUSH_LOOP_OUT = 3;
+
+    // The client will propose a cltv expiry height for loop out.
+    USER_EXPIRY_LOOP_OUT = 4;
 }
 
 message ServerLoopOutRequest {
@@ -68,6 +71,11 @@ message ServerLoopOutRequest {
 
     /// The protocol version that the client adheres to.
     ProtocolVersion protocol_version = 5;
+
+    // The requested absolute block height of the on-chain htlc. This is
+    // subjected to min and max constraints as reported in the LoopOutTerms
+    // response.
+    int32 expiry = 6;
 }
 
 message ServerLoopOutResponse {
@@ -77,7 +85,9 @@ message ServerLoopOutResponse {
 
     bytes sender_key = 3;
 
-    int32 expiry = 4;
+    // The height at which the on-chain htlc will expire. Deprecated because the
+    // field is already specified in the request.
+    int32 expiry = 4 [deprecated = true];
 
     // A human-readable message from the loop server.
     string server_message = 5;
@@ -92,6 +102,11 @@ message ServerLoopOutQuoteRequest {
 
     /// The protocol version that the client adheres to.
     ProtocolVersion protocol_version = 3;
+
+    // The requested absolute block height of the on-chain htlc. This is
+    // subjected to min and max constraints as reported in the LoopOutTerms
+    // response.
+    int32 expiry = 4;
 }
 
 message ServerLoopOutQuote {
@@ -109,7 +124,9 @@ message ServerLoopOutQuote {
 
     uint64 max_swap_amount = 6 [deprecated = true];
 
-    int32 cltv_delta = 7;
+    // The server-proposed cltv delta of the on-chain htlc. Deprecated because
+    // the field is already specified in the request.
+    int32 cltv_delta = 7 [deprecated = true];
 }
 
 message ServerLoopOutTermsRequest {
@@ -120,6 +137,12 @@ message ServerLoopOutTermsRequest {
 message ServerLoopOutTerms {
     uint64 min_swap_amount = 1;
     uint64 max_swap_amount = 2;
+
+    // The minimally accepted cltv delta of the on-chain htlc.
+    int32 min_cltv_delta = 3;
+
+    // The maximally accepted cltv delta of the on-chain htlc.
+    int32 max_cltv_delta = 4;
 }
 
 message ServerLoopInRequest {
diff --git a/server_mock_test.go b/server_mock_test.go
index 7c8fdee7..59010ab6 100644
--- a/server_mock_test.go
+++ b/server_mock_test.go
@@ -18,12 +18,13 @@ import (
 var (
 	testTime = time.Date(2018, time.January, 9, 14, 00, 00, 0, time.UTC)
 
-	testLoopOutOnChainCltvDelta = int32(30)
-	testChargeOnChainCltvDelta  = int32(100)
-	testSwapFee                 = btcutil.Amount(210)
-	testFixedPrepayAmount       = btcutil.Amount(100)
-	testMinSwapAmount           = btcutil.Amount(10000)
-	testMaxSwapAmount           = btcutil.Amount(1000000)
+	testLoopOutMinOnChainCltvDelta = int32(30)
+	testLoopOutMaxOnChainCltvDelta = int32(40)
+	testChargeOnChainCltvDelta     = int32(100)
+	testSwapFee                    = btcutil.Amount(210)
+	testFixedPrepayAmount          = btcutil.Amount(100)
+	testMinSwapAmount              = btcutil.Amount(10000)
+	testMaxSwapAmount              = btcutil.Amount(1000000)
 )
 
 // serverMock is used in client unit tests to simulate swap server behaviour.
@@ -58,7 +59,7 @@ func newServerMock() *serverMock {
 }
 
 func (s *serverMock) NewLoopOutSwap(ctx context.Context,
-	swapHash lntypes.Hash, amount btcutil.Amount,
+	swapHash lntypes.Hash, amount btcutil.Amount, expiry int32,
 	receiverKey [33]byte, _ time.Time) (
 	*newLoopOutResponse, error) {
 
@@ -87,7 +88,6 @@ func (s *serverMock) NewLoopOutSwap(ctx context.Context,
 		senderKey:     senderKeyArray,
 		swapInvoice:   swapPayReqString,
 		prepayInvoice: prePayReqString,
-		expiry:        s.height + testLoopOutOnChainCltvDelta,
 	}, nil
 }
 
@@ -97,18 +97,19 @@ func (s *serverMock) GetLoopOutTerms(ctx context.Context) (
 	return &LoopOutTerms{
 		MinSwapAmount: testMinSwapAmount,
 		MaxSwapAmount: testMaxSwapAmount,
+		MinCltvDelta:  testLoopOutMinOnChainCltvDelta,
+		MaxCltvDelta:  testLoopOutMaxOnChainCltvDelta,
 	}, nil
 }
 
 func (s *serverMock) GetLoopOutQuote(ctx context.Context, amt btcutil.Amount,
-	_ time.Time) (*LoopOutQuote, error) {
+	expiry int32, _ time.Time) (*LoopOutQuote, error) {
 
 	dest := [33]byte{1, 2, 3}
 
 	return &LoopOutQuote{
 		SwapFee:         testSwapFee,
 		SwapPaymentDest: dest,
-		CltvDelta:       testLoopOutOnChainCltvDelta,
 		PrepayAmount:    testFixedPrepayAmount,
 	}, nil
 }
diff --git a/swap_server_client.go b/swap_server_client.go
index 4e88b9db..2af795cd 100644
--- a/swap_server_client.go
+++ b/swap_server_client.go
@@ -25,7 +25,7 @@ import (
 
 // protocolVersion defines the version of the protocol that is currently
 // supported by the loop client.
-const protocolVersion = looprpc.ProtocolVersion_PREIMAGE_PUSH_LOOP_OUT
+const protocolVersion = looprpc.ProtocolVersion_USER_EXPIRY_LOOP_OUT
 
 var (
 	// errServerSubscriptionComplete is returned when our subscription to
@@ -46,7 +46,7 @@ type swapServerClient interface {
 	GetLoopOutTerms(ctx context.Context) (
 		*LoopOutTerms, error)
 
-	GetLoopOutQuote(ctx context.Context, amt btcutil.Amount,
+	GetLoopOutQuote(ctx context.Context, amt btcutil.Amount, expiry int32,
 		swapPublicationDeadline time.Time) (
 		*LoopOutQuote, error)
 
@@ -57,7 +57,7 @@ type swapServerClient interface {
 		*LoopInQuote, error)
 
 	NewLoopOutSwap(ctx context.Context,
-		swapHash lntypes.Hash, amount btcutil.Amount,
+		swapHash lntypes.Hash, amount btcutil.Amount, expiry int32,
 		receiverKey [33]byte,
 		swapPublicationDeadline time.Time) (
 		*newLoopOutResponse, error)
@@ -140,11 +140,13 @@ func (s *grpcSwapServerClient) GetLoopOutTerms(ctx context.Context) (
 	return &LoopOutTerms{
 		MinSwapAmount: btcutil.Amount(terms.MinSwapAmount),
 		MaxSwapAmount: btcutil.Amount(terms.MaxSwapAmount),
+		MinCltvDelta:  terms.MinCltvDelta,
+		MaxCltvDelta:  terms.MaxCltvDelta,
 	}, nil
 }
 
 func (s *grpcSwapServerClient) GetLoopOutQuote(ctx context.Context,
-	amt btcutil.Amount, swapPublicationDeadline time.Time) (
+	amt btcutil.Amount, expiry int32, swapPublicationDeadline time.Time) (
 	*LoopOutQuote, error) {
 
 	rpcCtx, rpcCancel := context.WithTimeout(ctx, globalCallTimeout)
@@ -154,6 +156,7 @@ func (s *grpcSwapServerClient) GetLoopOutQuote(ctx context.Context,
 			Amt:                     uint64(amt),
 			SwapPublicationDeadline: swapPublicationDeadline.Unix(),
 			ProtocolVersion:         protocolVersion,
+			Expiry:                  expiry,
 		},
 	)
 	if err != nil {
@@ -173,7 +176,6 @@ func (s *grpcSwapServerClient) GetLoopOutQuote(ctx context.Context,
 	return &LoopOutQuote{
 		PrepayAmount:    btcutil.Amount(quoteResp.PrepayAmt),
 		SwapFee:         btcutil.Amount(quoteResp.SwapFee),
-		CltvDelta:       quoteResp.CltvDelta,
 		SwapPaymentDest: destArray,
 	}, nil
 }
@@ -220,7 +222,7 @@ func (s *grpcSwapServerClient) GetLoopInQuote(ctx context.Context,
 }
 
 func (s *grpcSwapServerClient) NewLoopOutSwap(ctx context.Context,
-	swapHash lntypes.Hash, amount btcutil.Amount,
+	swapHash lntypes.Hash, amount btcutil.Amount, expiry int32,
 	receiverKey [33]byte, swapPublicationDeadline time.Time) (
 	*newLoopOutResponse, error) {
 
@@ -233,6 +235,7 @@ func (s *grpcSwapServerClient) NewLoopOutSwap(ctx context.Context,
 			ReceiverKey:             receiverKey[:],
 			SwapPublicationDeadline: swapPublicationDeadline.Unix(),
 			ProtocolVersion:         protocolVersion,
+			Expiry:                  expiry,
 		},
 	)
 	if err != nil {
@@ -252,7 +255,6 @@ func (s *grpcSwapServerClient) NewLoopOutSwap(ctx context.Context,
 		swapInvoice:   swapResp.SwapInvoice,
 		prepayInvoice: swapResp.PrepayInvoice,
 		senderKey:     senderKey,
-		expiry:        swapResp.Expiry,
 		serverMessage: swapResp.ServerMessage,
 	}, nil
 }
@@ -526,7 +528,6 @@ type newLoopOutResponse struct {
 	swapInvoice   string
 	prepayInvoice string
 	senderKey     [33]byte
-	expiry        int32
 	serverMessage string
 }