diff --git a/contracts/script/SetUpEigenDA.s.sol b/contracts/script/SetUpEigenDA.s.sol
index 47213d9df..a46f5d8cd 100644
--- a/contracts/script/SetUpEigenDA.s.sol
+++ b/contracts/script/SetUpEigenDA.s.sol
@@ -174,20 +174,31 @@ contract SetupEigenDA is EigenDADeployer, EigenLayerUtils {
 
 
         // Register Reservations for client as the eigenDACommunityMultisig
-        IPaymentVault.Reservation memory reservation = IPaymentVault.Reservation({
-            symbolsPerSecond: 452198,
+        IPaymentVault.Reservation memory reservation1 = IPaymentVault.Reservation({
+            symbolsPerSecond: 50,   // 15k symbols over 5 minute bin interval
             startTimestamp: uint64(block.timestamp),
             endTimestamp: uint64(block.timestamp + 1000000000),
             quorumNumbers: hex"0001",
             quorumSplits: hex"3232"
         });
-        address clientAddress = address(0x641691973c98dFe68b07Ee3613E270406285DFE8);
-        vm.startBroadcast(msg.sender);
-        paymentVault.setReservation(clientAddress, reservation);
+        vm.startBroadcast();
+        paymentVault.setReservation(address(0x641691973c98dFe68b07Ee3613E270406285DFE8), reservation1);
+
+        // small reservation
+        IPaymentVault.Reservation memory reservation2 = IPaymentVault.Reservation({
+            symbolsPerSecond: 15,    // 4500 symbols over 5 minute bin interval
+            startTimestamp: uint64(block.timestamp),
+            endTimestamp: uint64(block.timestamp + 1000000000),
+            quorumNumbers: hex"0001",
+            quorumSplits: hex"3232"
+        });
+        paymentVault.setReservation(address(0x56242c5e4C968669FE04331AC89967a7F5A06B24), reservation2);
+
         // Deposit OnDemand 
-        paymentVault.depositOnDemand{value: 0.1 ether}(clientAddress);
-        vm.stopBroadcast();
+        paymentVault.depositOnDemand{value: 0.1 ether}(address(0x641691973c98dFe68b07Ee3613E270406285DFE8));
+        paymentVault.depositOnDemand{value: 2000 gwei}(address(0x55c781dd60F8418Fc8a65D14907aFF47C903a559));
 
+        vm.stopBroadcast();
         // Deposit stakers into EigenLayer and delegate to operators
         for (uint256 i = 0; i < stakerPrivateKeys.length; i++) {
             vm.startBroadcast(stakerPrivateKeys[i]);
diff --git a/disperser/apiserver/disperse_blob_v2.go b/disperser/apiserver/disperse_blob_v2.go
index d8fcd3dd8..2e76d3a45 100644
--- a/disperser/apiserver/disperse_blob_v2.go
+++ b/disperser/apiserver/disperse_blob_v2.go
@@ -118,7 +118,7 @@ func (s *DispersalServerV2) validateDispersalRequest(ctx context.Context, req *p
 		return api.NewErrorInvalidArg("payment metadata is required")
 	}
 
-	if len(blobHeader.PaymentMetadata.AccountID) == 0 || blobHeader.PaymentMetadata.ReservationPeriod == 0 || blobHeader.PaymentMetadata.CumulativePayment == nil {
+	if len(blobHeader.PaymentMetadata.AccountID) == 0 || (blobHeader.PaymentMetadata.ReservationPeriod == 0 && blobHeader.PaymentMetadata.CumulativePayment == nil) {
 		return api.NewErrorInvalidArg("invalid payment metadata")
 	}
 
diff --git a/inabox/tests/integration_v2_payments_test.go b/inabox/tests/integration_v2_payments_test.go
new file mode 100644
index 000000000..caa9ddbb1
--- /dev/null
+++ b/inabox/tests/integration_v2_payments_test.go
@@ -0,0 +1,94 @@
+package integration_test
+
+import (
+	"context"
+	"crypto/rand"
+	"time"
+
+	"github.com/Layr-Labs/eigenda/api/clients/v2"
+	auth "github.com/Layr-Labs/eigenda/core/auth/v2"
+	dispv2 "github.com/Layr-Labs/eigenda/disperser/common/v2"
+	"github.com/Layr-Labs/eigenda/encoding/utils/codec"
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("Inabox v2 Integration", func() {
+	It("reservation runs out", func() {
+		ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+		defer cancel()
+
+		privateKeyHex := "0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdee"
+		signer := auth.NewLocalBlobRequestSigner(privateKeyHex)
+
+		disp, err := clients.NewDisperserClient(&clients.DisperserClientConfig{
+			Hostname: "localhost",
+			Port:     "32005",
+		}, signer, nil, nil)
+		Expect(err).To(BeNil())
+		Expect(disp).To(Not(BeNil()))
+
+		data1 := make([]byte, 992)
+		_, err = rand.Read(data1)
+		Expect(err).To(BeNil())
+		data2 := make([]byte, 123)
+		_, err = rand.Read(data2)
+		Expect(err).To(BeNil())
+
+		paddedData1 := codec.ConvertByPaddingEmptyByte(data1)
+		paddedData2 := codec.ConvertByPaddingEmptyByte(data2)
+
+		blobStatus1, key1, err := disp.DisperseBlob(ctx, paddedData1, 0, []uint8{0, 1}, 0)
+		Expect(err).To(BeNil())
+		Expect(key1).To(Not(BeNil()))
+		Expect(blobStatus1).To(Not(BeNil()))
+		Expect(*blobStatus1).To(Equal(dispv2.Queued))
+
+		blobStatus2, key2, err := disp.DisperseBlob(ctx, paddedData2, 0, []uint8{0}, 0)
+		Expect(err).To(BeNil())
+		Expect(key2).To(Not(BeNil()))
+		Expect(blobStatus2).To(Not(BeNil()))
+		Expect(*blobStatus2).To(Equal(dispv2.Queued))
+
+		blobStatus3, key3, err := disp.DisperseBlob(ctx, paddedData2, 0, []uint8{0}, 0)
+		Expect(err.Error()).To(ContainSubstring("neither reservation nor on-demand payment is available"))
+		Expect(key3).To(Not(BeNil()))
+		Expect(blobStatus3).To(BeNil())
+	})
+
+	It("ondemand runs out", func() {
+		ctx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+		defer cancel()
+
+		privateKeyHex := "0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+		signer := auth.NewLocalBlobRequestSigner(privateKeyHex)
+
+		disp, err := clients.NewDisperserClient(&clients.DisperserClientConfig{
+			Hostname: "localhost",
+			Port:     "32005",
+		}, signer, nil, nil)
+		Expect(err).To(BeNil())
+		Expect(disp).To(Not(BeNil()))
+
+		data1 := make([]byte, 992)
+		_, err = rand.Read(data1)
+		Expect(err).To(BeNil())
+		data2 := make([]byte, 123)
+		_, err = rand.Read(data2)
+		Expect(err).To(BeNil())
+
+		paddedData1 := codec.ConvertByPaddingEmptyByte(data1)
+		paddedData2 := codec.ConvertByPaddingEmptyByte(data2)
+
+		blobStatus1, key1, err := disp.DisperseBlob(ctx, paddedData1, 0, []uint8{0, 1}, 0)
+		Expect(err).To(BeNil())
+		Expect(key1).To(Not(BeNil()))
+		Expect(blobStatus1).To(Not(BeNil()))
+		Expect(*blobStatus1).To(Equal(dispv2.Queued))
+
+		blobStatus2, key2, err := disp.DisperseBlob(ctx, paddedData2, 0, []uint8{0}, 0)
+		Expect(err.Error()).To(ContainSubstring("neither reservation nor on-demand payment is available"))
+		Expect(blobStatus2).To(BeNil())
+		Expect(key2).To(BeNil())
+	})
+})