diff --git a/tests/integration/routes.test.ts b/tests/integration/routes.test.ts
index cf4c4a6..4741a1f 100644
--- a/tests/integration/routes.test.ts
+++ b/tests/integration/routes.test.ts
@@ -121,13 +121,14 @@ describe('Integration tests', () => {
   describe('/v1', () => {
     describe('/contract', () => {
       describe('/:contractTxId', () => {
-        it('should return the contract state and id without any evaluation options provided', async () => {
+        it('should return the contract state and id and default evaluation options', async () => {
           const { status, data } = await axios.get(`/v1/contract/${id}`);
           expect(status).to.equal(200);
           expect(data).to.not.be.undefined;
-          const { contractTxId, state, evaluationOptions } = data;
+          const { contractTxId, state, evaluationOptions, sortKey } = data;
           expect(contractTxId).to.equal(id);
           expect(evaluationOptions).not.to.be.undefined;
+          expect(sortKey).not.be.undefined;
           expect(state).to.include.keys([
             'balances',
             'owner',
@@ -150,6 +151,35 @@ describe('Integration tests', () => {
           );
           expect(status).to.equal(404);
         });
+
+        it('should return a 400 on invalid block height query param', async () => {
+          // block height before the interactions were created
+          const invalidBlockHeight = 'not-a-number';
+
+          const { status } = await axios.get(
+            `/v1/contract/${id}/interactions?blockHeight=${invalidBlockHeight}`,
+          );
+          expect(status).to.equal(400);
+        });
+
+        it('should return contract state evaluated up to a given block height query param', async () => {
+          // block height before the interactions were created
+          const blockHeight = 1;
+
+          const { status, data } = await axios.get(
+            `/v1/contract/${id}/interactions?blockHeight=${blockHeight}`,
+          );
+          const { contractTxId, state, evaluationOptions, sortKey } = data;
+          expect(status).to.equal(400);
+          expect(data).not.to.be.undefined;
+          expect(contractTxId).to.equal(id);
+          expect(evaluationOptions).not.to.be.undefined;
+          expect(state).not.to.be.undefined;
+          expect(sortKey).not.be.undefined;
+          expect(sortKey.split(',')[0]).to.equal(
+            `${blockHeight}`.padStart(0, '12'),
+          );
+        });
       });
       describe('/:contractTxId/price', () => {
         it('should properly handle price interaction inputs', async () => {
@@ -205,6 +235,20 @@ describe('Integration tests', () => {
           expect(contractTxId).to.equal(id);
           expect(Object.keys(interactions)).not.to.contain(badInteractionTx.id);
         });
+
+        it('should only return interactions up to a provided block height', async () => {
+          // block height before the interactions were created
+          const previousInteractionHeight = 1;
+
+          const { status, data } = await axios.get(
+            `/v1/contract/${id}/interactions?blockHeight=${previousInteractionHeight}`,
+          );
+          expect(status).to.equal(200);
+          expect(data).to.not.be.undefined;
+          const { contractTxId, interactions } = data;
+          expect(contractTxId).to.equal(id);
+          expect(Object.keys(interactions)).to.equal([]);
+        });
       });
 
       describe('/:contractTxId/interactions/:address', () => {