diff --git a/examples/nodejs/src/experimental-features/applicable-inputs.ts b/examples/nodejs/src/experimental-features/applicable-inputs.ts
index a6a1dd18..a31fd952 100644
--- a/examples/nodejs/src/experimental-features/applicable-inputs.ts
+++ b/examples/nodejs/src/experimental-features/applicable-inputs.ts
@@ -122,7 +122,7 @@ export async function getApplicableActions(
   contractId: ContractId,
   environment?: Environment
 ): Promise<ApplicableAction[]> {
-  const contractDetails = await restClient.getContractById(contractId);
+  const contractDetails = await restClient.getContractById({ contractId });
   const currentContract = contractDetails.currentContract
     ? contractDetails.currentContract
     : contractDetails.initialContract;
diff --git a/examples/nodejs/src/marlowe-object-flow.ts b/examples/nodejs/src/marlowe-object-flow.ts
index 1d7cd273..554bbdce 100644
--- a/examples/nodejs/src/marlowe-object-flow.ts
+++ b/examples/nodejs/src/marlowe-object-flow.ts
@@ -588,8 +588,9 @@ async function validateExistingContract(
   contractId: ContractId
 ): Promise<ValidationResults> {
   // First we try to fetch the contract details and the required tags
-  const contractDetails =
-    await lifecycle.restClient.getContractById(contractId);
+  const contractDetails = await lifecycle.restClient.getContractById({
+    contractId,
+  });
 
   const scheme = extractSchemeFromTags(contractDetails.tags);
 
@@ -609,8 +610,9 @@ async function validateExistingContract(
   //      Or this option which doesn't require runtime to runtime communication, and just requires
   //      the dapp to be able to recreate the same sources.
   const contractBundle = mkDelayPayment(scheme);
-  const { contractSourceId } =
-    await lifecycle.restClient.createContractSources(contractBundle);
+  const { contractSourceId } = await lifecycle.restClient.createContractSources(
+    { bundle: contractBundle }
+  );
   const initialContract = await lifecycle.restClient.getContractSourceById({
     contractSourceId,
   });
diff --git a/examples/survey-workshop/custodian/index.js b/examples/survey-workshop/custodian/index.js
index 46f7cd50..00759c5d 100644
--- a/examples/survey-workshop/custodian/index.js
+++ b/examples/survey-workshop/custodian/index.js
@@ -22,7 +22,9 @@ async function loadContract() {
   log("Loading contract");
   const contractId = document.getElementById("contract-id").value;
   const restClient = await H.getRestClient();
-  const paginatedTxs = await restClient.getTransactionsForContract(contractId);
+  const paginatedTxs = await restClient.getTransactionsForContract({
+    contractId,
+  });
   if (paginatedTxs.transactions.length !== 1) {
     log(
       "Expected 1 transaction for contract, got " +
@@ -33,10 +35,10 @@ async function loadContract() {
   }
   logJSON("txId", paginatedTxs.transactions[0].transactionId);
   const txId = paginatedTxs.transactions[0].transactionId;
-  const answerTx = await restClient.getContractTransactionById(
+  const answerTx = await restClient.getContractTransactionById({
     contractId,
-    txId
-  );
+    txId,
+  });
 
   const answers = await getAnswers(answerTx);
   logJSON("answers", answers);
diff --git a/examples/vesting-flow/index.html b/examples/vesting-flow/index.html
index 5fbddf70..378d42a7 100644
--- a/examples/vesting-flow/index.html
+++ b/examples/vesting-flow/index.html
@@ -140,21 +140,21 @@ <h2>Console</h2>
       const contractIdsAndDetails = await Promise.all(
         contractIds.map((contractId) =>
           restClient
-            .getContractById(contractId)
+            .getContractById({ contractId })
             .then((details) => [contractId, details])
         )
       );
       const contractIdsAndDetailsAndInputHistory = await Promise.all(
         contractIdsAndDetails.map(([contractId, details]) =>
           restClient
-            .getTransactionsForContract(contractId)
+            .getTransactionsForContract({ contractId })
             .then((result) =>
               Promise.all(
                 result.transactions.map((transaction) =>
-                  restClient.getContractTransactionById(
+                  restClient.getContractTransactionById({
                     contractId,
-                    transaction.transactionId
-                  )
+                    txId: transaction.transactionId,
+                  })
                 )
               )
             )
diff --git a/packages/runtime/lifecycle/test/examples/swap.ada.token.e2e.spec.ts b/packages/runtime/lifecycle/test/examples/swap.ada.token.e2e.spec.ts
index 01745f75..8a7ae6af 100644
--- a/packages/runtime/lifecycle/test/examples/swap.ada.token.e2e.spec.ts
+++ b/packages/runtime/lifecycle/test/examples/swap.ada.token.e2e.spec.ts
@@ -249,7 +249,7 @@ const shouldBeAClosedContract = async (
   contractId: ContractId
 ): Promise<void> => {
   const state = await restClient
-    .getContractById(contractId)
+    .getContractById({ contractId })
     .then((contractDetails) => contractDetails.state);
   if (state) {
     throw new Error("Contract retrieved is not Closed");
@@ -268,5 +268,5 @@ const getMarloweStatefromAnActiveContract = (
   contractId: ContractId
 ): Promise<MarloweState> =>
   restClient
-    .getContractById(contractId)
+    .getContractById({ contractId })
     .then((contractDetails) => shouldBeAnActiveContract(contractDetails.state));