diff --git a/src/params/index.ts b/src/params/index.ts
index 94c9ddb..617b455 100644
--- a/src/params/index.ts
+++ b/src/params/index.ts
@@ -31,6 +31,7 @@ export * from "./transactions/ListTransactionsParams";
 export * from "./transactions/ReverseParams";
 export * from "./transactions/TransferParams";
 export * from "./transactions/VoidPendingParams";
+export * from "./transactions/GetTransactionChainParams";
 
 export * from "./values/ChangeValuesCodeParams";
 export * from "./values/CreateValueParams";
diff --git a/src/params/transactions/GetTransactionChainParams.ts b/src/params/transactions/GetTransactionChainParams.ts
index 5837c1c..d63234b 100644
--- a/src/params/transactions/GetTransactionChainParams.ts
+++ b/src/params/transactions/GetTransactionChainParams.ts
@@ -1,5 +1,5 @@
 import {Transaction} from "../../model";
 import {LightrailResponse} from "../LightrailResponse";
 
-export interface GetTransactionChainResponse extends LightrailResponse<Transaction> {
+export interface GetTransactionChainResponse extends LightrailResponse<Transaction[]> {
 }
\ No newline at end of file
diff --git a/src/transactions.test.ts b/src/transactions.test.ts
index 1b51d55..e565478 100644
--- a/src/transactions.test.ts
+++ b/src/transactions.test.ts
@@ -254,6 +254,41 @@ describe("transactions", () => {
         });
     });
 
+    describe("getTransactionChain", () => {
+        it("successfully captures a pending transaction and fetches the chain", async () => {
+            const debitTxId = uuid.v4().substring(0, 24);
+            const captureTxId = uuid.v4().substring(0, 24);
+
+            const debitTx = await Lightrail.transactions.debit({
+                id: debitTxId,
+                currency: "USD",
+                amount: 100,
+                source: {
+                    rail: "lightrail",
+                    valueId: valueId
+                },
+                pending: true
+            });
+
+            chai.assert.isNotNull(debitTx);
+            chai.assert.equal(debitTx.body.transactionType, "debit");
+
+            const captureTx = await Lightrail.transactions.capturePending(debitTx.body, {
+                id: captureTxId
+            });
+
+            chai.assert.isNotNull(captureTx);
+            chai.assert.equal(captureTx.body.transactionType, "capture");
+
+            const transactionChain = await Lightrail.transactions.getTransactionChain(debitTxId);
+
+            chai.assert.isNotNull(transactionChain);
+            chai.assert.equal(transactionChain.body.length, 2);
+            chai.assert.isNotNull(transactionChain.body.find(p => p.id === debitTxId));
+            chai.assert.isNotNull(transactionChain.body.find(p => p.id === captureTxId));
+        });
+    });
+
     describe("getTransaction()", () => {
         it("successfully fetches a transaction by id", async () => {
             const transaction = await getTransaction(creditId);
diff --git a/src/transactions.ts b/src/transactions.ts
index b6141d3..c5ff5ae 100644
--- a/src/transactions.ts
+++ b/src/transactions.ts
@@ -10,6 +10,7 @@ import {
     CreditResponse,
     DebitParams,
     DebitResponse,
+    GetTransactionChainResponse,
     GetTransactionResponse,
     ListTransactionsParams,
     ListTransactionsResponse,
@@ -21,7 +22,6 @@ import {
     VoidPendingResponse
 } from "./params";
 import {Transaction} from "./model";
-import {GetTransactionChainResponse, TransactionChainResponse} from "./params/transactions/GetTransactionChainParams";
 
 export async function checkout(params: CheckoutParams): Promise<CheckoutResponse> {
     if (!params) {