diff --git a/tests/e2e/auction/grpc.go b/tests/e2e/auction/grpc.go
index 0491698b..f4503d49 100644
--- a/tests/e2e/auction/grpc.go
+++ b/tests/e2e/auction/grpc.go
@@ -70,3 +70,188 @@ func (ets *E2ETestSuite) TestGetAllAuctionsGrpc() {
 		})
 	}
 }
+
+func (ets *E2ETestSuite) TestGetAuctionGrpc() {
+	val := ets.network.Validators[0]
+	sr := ets.Require()
+	reqURL := fmt.Sprintf("%s/cerc/auction/v1/auctions/", val.APIAddress)
+
+	testCases := []struct {
+		msg             string
+		url             string
+		errorMsg        string
+		isErrorExpected bool
+		preRun          func() string
+	}{
+		{
+			"invalid request to get an auction",
+			reqURL + randomAuctionID,
+			"",
+			true,
+			func() string { return "" },
+		},
+		{
+			"valid request to get an auction",
+			reqURL,
+			"",
+			false,
+			func() string { return ets.defaultAuctionId },
+		},
+	}
+	for _, tc := range testCases {
+		ets.Run(tc.msg, func() {
+			auctionID := tc.preRun()
+			resp, err := testutil.GetRequest(tc.url + auctionID)
+			if tc.isErrorExpected {
+				sr.Contains(string(resp), tc.errorMsg)
+			} else {
+				sr.NoError(err)
+				var auction auctiontypes.QueryAuctionResponse
+				err = val.ClientCtx.Codec.UnmarshalJSON(resp, &auction)
+				sr.NoError(err)
+				sr.Equal(auctionID, auction.Auction.Id)
+			}
+		})
+	}
+}
+
+func (ets *E2ETestSuite) TestGetBidsGrpc() {
+	val := ets.network.Validators[0]
+	sr := ets.Require()
+	reqURL := fmt.Sprintf("%s/cerc/auction/v1/bids/", val.APIAddress)
+	testCases := []struct {
+		msg             string
+		url             string
+		errorMsg        string
+		isErrorExpected bool
+		preRun          func() string
+	}{
+		{
+			"invalid request to get all bids",
+			reqURL,
+			"",
+			true,
+			func() string { return "" },
+		},
+		{
+			"valid request to get all bids",
+			reqURL,
+			"",
+			false,
+			func() string { return ets.createAuctionAndBid(false, true) },
+		},
+	}
+
+	for _, tc := range testCases {
+		ets.Run(tc.msg, func() {
+			auctionID := tc.preRun()
+			tc.url += auctionID
+			resp, err := testutil.GetRequest(tc.url)
+			if tc.isErrorExpected {
+				sr.Contains(string(resp), tc.errorMsg)
+			} else {
+				sr.NoError(err)
+				var bids auctiontypes.QueryBidsResponse
+				err = val.ClientCtx.Codec.UnmarshalJSON(resp, &bids)
+				sr.NoError(err)
+				sr.Equal(auctionID, bids.Bids[0].AuctionId)
+			}
+		})
+	}
+}
+
+func (ets *E2ETestSuite) TestGetBidGrpc() {
+	val := ets.network.Validators[0]
+	sr := ets.Require()
+	reqURL := fmt.Sprintf("%s/cerc/auction/v1/bids/", val.APIAddress)
+	testCases := []struct {
+		msg             string
+		url             string
+		errorMsg        string
+		isErrorExpected bool
+	}{
+		{
+			"invalid request to get bid",
+			fmt.Sprintf("%s/%s/", reqURL, randomAuctionID),
+			"",
+			true,
+		},
+		{
+			"valid request to get bid",
+			fmt.Sprintf("%s/%s/%s", reqURL, randomAuctionID, randomBidderAddress),
+			"",
+			false,
+		},
+	}
+	for _, tc := range testCases {
+		ets.Run(tc.msg, func() {
+			resp, err := testutil.GetRequest(tc.url)
+			if tc.isErrorExpected {
+				sr.Contains(string(resp), tc.errorMsg)
+			} else {
+				sr.NoError(err)
+				var bid auctiontypes.QueryBidResponse
+				err = val.ClientCtx.Codec.UnmarshalJSON(resp, &bid)
+				sr.NoError(err)
+			}
+		})
+	}
+}
+
+func (ets *E2ETestSuite) TestGetAuctionsByOwnerGrpc() {
+	val := ets.network.Validators[0]
+	sr := ets.Require()
+	reqURL := fmt.Sprintf("%s/cerc/auction/v1/by-owner/", val.APIAddress)
+	testCases := []struct {
+		msg             string
+		url             string
+		errorMsg        string
+		isErrorExpected bool
+	}{
+		{
+			"invalid request to get auctions by owner",
+			reqURL,
+			"",
+			true,
+		},
+		{
+			"valid request to get auctions by owner",
+			fmt.Sprintf("%s/%s", reqURL, randomOwnerAddress), // TODO: use ownerAddress?
+			"",
+			false,
+		},
+	}
+	for _, tc := range testCases {
+		ets.Run(tc.msg, func() {
+			resp, err := testutil.GetRequest(tc.url)
+			if tc.isErrorExpected {
+				sr.Contains(string(resp), tc.errorMsg)
+			} else {
+				sr.NoError(err)
+				var auctions auctiontypes.QueryAuctionsResponse
+				err = val.ClientCtx.Codec.UnmarshalJSON(resp, &auctions)
+				sr.NoError(err)
+			}
+		})
+	}
+}
+
+func (ets *E2ETestSuite) TestQueryBalanceGrpc() {
+	val := ets.network.Validators[0]
+	sr := ets.Require()
+	reqURL := fmt.Sprintf("%s/cerc/auction/v1/balance", val.APIAddress)
+	msg := "valid request to get the auction module balance"
+
+	ets.createAuctionAndBid(false, true)
+
+	ets.Run(msg, func() {
+		resp, err := testutil.GetRequest(reqURL)
+		sr.NoError(err)
+
+		var response auctiontypes.QueryGetAuctionModuleBalanceResponse
+		err = val.ClientCtx.Codec.UnmarshalJSON(resp, &response)
+
+		sr.NoError(err)
+		sr.NotZero(len(response.GetBalance()))
+	})
+}
diff --git a/tests/e2e/auction/tx.go b/tests/e2e/auction/tx.go
new file mode 100644
index 00000000..419dcbd3
--- /dev/null
+++ b/tests/e2e/auction/tx.go
@@ -0,0 +1,45 @@
+package auction
+
+import (
+	"fmt"
+
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	clitestutil "github.com/cosmos/cosmos-sdk/testutil/cli"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/spf13/cobra"
+)
+
+const (
+	sampleCommitTime     = "90s"
+	sampleRevealTime     = "5s"
+	placeholderAuctionId = "placeholder_auction_id"
+)
+
+func (ets *E2ETestSuite) executeTx(cmd *cobra.Command, args []string, caller string) (sdk.TxResponse, error) {
+	val := ets.network.Validators[0]
+	additionalArgs := []string{
+		fmt.Sprintf("--%s=%s", flags.FlagFrom, caller),
+		fmt.Sprintf("--%s=true", flags.FlagSkipConfirmation),
+		fmt.Sprintf("--%s=%s", flags.FlagBroadcastMode, flags.BroadcastSync),
+		fmt.Sprintf("--%s=%s", flags.FlagFees, fmt.Sprintf("3%s", ets.cfg.BondDenom)),
+	}
+	args = append(args, additionalArgs...)
+
+	out, err := clitestutil.ExecTestCLICmd(val.ClientCtx, cmd, args)
+	if err != nil {
+		return sdk.TxResponse{}, err
+	}
+
+	var resp sdk.TxResponse
+	err = val.ClientCtx.Codec.UnmarshalJSON(out.Bytes(), &resp)
+	if err != nil {
+		return sdk.TxResponse{}, err
+	}
+
+	err = ets.network.WaitForNextBlock()
+	if err != nil {
+		return sdk.TxResponse{}, err
+	}
+
+	return resp, nil
+}