diff --git a/cmd/solana_exporter/exporter_test.go b/cmd/solana_exporter/exporter_test.go
index df11fb9..e841524 100644
--- a/cmd/solana_exporter/exporter_test.go
+++ b/cmd/solana_exporter/exporter_test.go
@@ -61,6 +61,11 @@ var (
 		},
 		Range: rpc.BlockProductionRange{FirstSlot: 1000, LastSlot: 2000},
 	}
+	staticInflationRewards = []rpc.InflationReward{
+		{Amount: 1000, EffectiveSlot: 166598, Epoch: 27, PostBalance: 2000},
+		{Amount: 2000, EffectiveSlot: 166598, Epoch: 27, PostBalance: 4000},
+		{Amount: 3000, EffectiveSlot: 166598, Epoch: 27, PostBalance: 6000},
+	}
 	staticVoteAccounts = rpc.VoteAccounts{
 		Current: []rpc.VoteAccount{
 			{
@@ -147,6 +152,13 @@ func (c *staticRPCClient) GetBalance(ctx context.Context, address string) (float
 	return balances[address], nil
 }
 
+//goland:noinspection GoUnusedParameter
+func (c *staticRPCClient) GetInflationReward(
+	ctx context.Context, addresses []string, commitment rpc.Commitment, epoch *int64, minContextSlot *int64,
+) ([]rpc.InflationReward, error) {
+	return staticInflationRewards, nil
+}
+
 /*
 ===== DYNAMIC CLIENT =====:
 */
@@ -321,6 +333,13 @@ func (c *dynamicRPCClient) GetBalance(ctx context.Context, address string) (floa
 	return balances[address], nil
 }
 
+//goland:noinspection GoUnusedParameter
+func (c *dynamicRPCClient) GetInflationReward(
+	ctx context.Context, addresses []string, commitment rpc.Commitment, epoch *int64, minContextSlot *int64,
+) ([]rpc.InflationReward, error) {
+	return staticInflationRewards, nil
+}
+
 /*
 ===== OTHER TEST UTILITIES =====:
 */
diff --git a/pkg/rpc/client.go b/pkg/rpc/client.go
index 2b89dd7..d6adaa0 100644
--- a/pkg/rpc/client.go
+++ b/pkg/rpc/client.go
@@ -10,8 +10,6 @@ import (
 	"net/http"
 )
 
-const LamportsInSol = 1_000_000_000
-
 type (
 	Client struct {
 		httpClient http.Client
@@ -67,6 +65,12 @@ type Provider interface {
 
 	// GetBalance returns the SOL balance of the account at the provided address
 	GetBalance(ctx context.Context, address string) (float64, error)
+
+	// GetInflationReward returns the inflation rewards (in lamports) awarded to the given addresses (vote accounts)
+	// during the given epoch.
+	GetInflationReward(
+		ctx context.Context, addresses []string, commitment Commitment, epoch *int64, minContextSlot *int64,
+	) ([]InflationReward, error)
 }
 
 func (c Commitment) MarshalJSON() ([]byte, error) {
@@ -74,6 +78,8 @@ func (c Commitment) MarshalJSON() ([]byte, error) {
 }
 
 const (
+	// LamportsInSol is the number of lamports in 1 SOL (a billion)
+	LamportsInSol = 1_000_000_000
 	// CommitmentFinalized level offers the highest level of certainty for a transaction on the Solana blockchain.
 	// A transaction is considered “Finalized” when it is included in a block that has been confirmed by a
 	// supermajority of the stake, and at least 31 additional confirmed blocks have been built on top of it.
@@ -222,13 +228,10 @@ func (c *Client) GetBalance(ctx context.Context, address string) (float64, error
 }
 
 func (c *Client) GetInflationReward(
-	ctx context.Context, addresses []string, commitment *Commitment, epoch *int64, minContextSlot *int64,
-) (*InflationReward, error) {
+	ctx context.Context, addresses []string, commitment Commitment, epoch *int64, minContextSlot *int64,
+) ([]InflationReward, error) {
 	// format params:
-	config := make(map[string]any)
-	if commitment != nil {
-		config["commitment"] = *commitment
-	}
+	config := map[string]any{"commitment": string(commitment)}
 	if epoch != nil {
 		config["epoch"] = *epoch
 	}
@@ -236,9 +239,9 @@ func (c *Client) GetInflationReward(
 		config["minContextSlot"] = *minContextSlot
 	}
 
-	var resp response[InflationReward]
+	var resp response[[]InflationReward]
 	if err := c.getResponse(ctx, "getInflationReward", []any{addresses, config}, &resp); err != nil {
 		return nil, err
 	}
-	return &resp.Result, nil
+	return resp.Result, nil
 }
diff --git a/pkg/rpc/responses.go b/pkg/rpc/responses.go
index 0b5333f..b8a76be 100644
--- a/pkg/rpc/responses.go
+++ b/pkg/rpc/responses.go
@@ -7,8 +7,10 @@ import (
 
 type (
 	response[T any] struct {
-		Result T        `json:"result"`
-		Error  rpcError `json:"error"`
+		jsonrpc string
+		Result  T        `json:"result"`
+		Error   rpcError `json:"error"`
+		Id      int      `json:"id"`
 	}
 
 	contextualResult[T any] struct {
@@ -69,7 +71,6 @@ type (
 		EffectiveSlot int64 `json:"effectiveSlot"`
 		Epoch         int64 `json:"epoch"`
 		PostBalance   int64 `json:"postBalance"`
-		Commission    uint8 `json:"commission"`
 	}
 )