diff --git a/lib/openai/resources/batches.rb b/lib/openai/resources/batches.rb
index 62883c2e..143a05ee 100644
--- a/lib/openai/resources/batches.rb
+++ b/lib/openai/resources/batches.rb
@@ -58,7 +58,7 @@ def create(params)
       def retrieve(batch_id, params = {})
         @client.request(
           method: :get,
-          path: ["batches/%0s", batch_id],
+          path: ["batches/%1$s", batch_id],
           model: OpenAI::Models::Batch,
           options: params[:request_options]
         )
@@ -105,7 +105,7 @@ def list(params = {})
       def cancel(batch_id, params = {})
         @client.request(
           method: :post,
-          path: ["batches/%0s/cancel", batch_id],
+          path: ["batches/%1$s/cancel", batch_id],
           model: OpenAI::Models::Batch,
           options: params[:request_options]
         )
diff --git a/lib/openai/resources/beta/assistants.rb b/lib/openai/resources/beta/assistants.rb
index 8fbb01b9..1557a813 100644
--- a/lib/openai/resources/beta/assistants.rb
+++ b/lib/openai/resources/beta/assistants.rb
@@ -101,7 +101,7 @@ def create(params)
         def retrieve(assistant_id, params = {})
           @client.request(
             method: :get,
-            path: ["assistants/%0s", assistant_id],
+            path: ["assistants/%1$s", assistant_id],
             model: OpenAI::Models::Beta::Assistant,
             options: params[:request_options]
           )
@@ -187,7 +187,7 @@ def update(assistant_id, params = {})
           parsed, options = OpenAI::Models::Beta::AssistantUpdateParams.dump_request(params)
           @client.request(
             method: :post,
-            path: ["assistants/%0s", assistant_id],
+            path: ["assistants/%1$s", assistant_id],
             body: parsed,
             model: OpenAI::Models::Beta::Assistant,
             options: options
@@ -241,7 +241,7 @@ def list(params = {})
         def delete(assistant_id, params = {})
           @client.request(
             method: :delete,
-            path: ["assistants/%0s", assistant_id],
+            path: ["assistants/%1$s", assistant_id],
             model: OpenAI::Models::Beta::AssistantDeleted,
             options: params[:request_options]
           )
diff --git a/lib/openai/resources/beta/threads.rb b/lib/openai/resources/beta/threads.rb
index 27b67c15..767bd13c 100644
--- a/lib/openai/resources/beta/threads.rb
+++ b/lib/openai/resources/beta/threads.rb
@@ -55,7 +55,7 @@ def create(params = {})
         def retrieve(thread_id, params = {})
           @client.request(
             method: :get,
-            path: ["threads/%0s", thread_id],
+            path: ["threads/%1$s", thread_id],
             model: OpenAI::Models::Beta::Thread,
             options: params[:request_options]
           )
@@ -86,7 +86,7 @@ def update(thread_id, params = {})
           parsed, options = OpenAI::Models::Beta::ThreadUpdateParams.dump_request(params)
           @client.request(
             method: :post,
-            path: ["threads/%0s", thread_id],
+            path: ["threads/%1$s", thread_id],
             body: parsed,
             model: OpenAI::Models::Beta::Thread,
             options: options
@@ -105,7 +105,7 @@ def update(thread_id, params = {})
         def delete(thread_id, params = {})
           @client.request(
             method: :delete,
-            path: ["threads/%0s", thread_id],
+            path: ["threads/%1$s", thread_id],
             model: OpenAI::Models::Beta::ThreadDeleted,
             options: params[:request_options]
           )
diff --git a/lib/openai/resources/beta/threads/messages.rb b/lib/openai/resources/beta/threads/messages.rb
index 5b87f5f5..fdcef361 100644
--- a/lib/openai/resources/beta/threads/messages.rb
+++ b/lib/openai/resources/beta/threads/messages.rb
@@ -37,7 +37,7 @@ def create(thread_id, params)
             parsed, options = OpenAI::Models::Beta::Threads::MessageCreateParams.dump_request(params)
             @client.request(
               method: :post,
-              path: ["threads/%0s/messages", thread_id],
+              path: ["threads/%1$s/messages", thread_id],
               body: parsed,
               model: OpenAI::Models::Beta::Threads::Message,
               options: options
@@ -64,7 +64,7 @@ def retrieve(message_id, params)
               end
             @client.request(
               method: :get,
-              path: ["threads/%0s/messages/%1s", thread_id, message_id],
+              path: ["threads/%1$s/messages/%2$s", thread_id, message_id],
               model: OpenAI::Models::Beta::Threads::Message,
               options: options
             )
@@ -96,7 +96,7 @@ def update(message_id, params)
               end
             @client.request(
               method: :post,
-              path: ["threads/%0s/messages/%1s", thread_id, message_id],
+              path: ["threads/%1$s/messages/%2$s", thread_id, message_id],
               body: parsed,
               model: OpenAI::Models::Beta::Threads::Message,
               options: options
@@ -135,7 +135,7 @@ def list(thread_id, params = {})
             parsed, options = OpenAI::Models::Beta::Threads::MessageListParams.dump_request(params)
             @client.request(
               method: :get,
-              path: ["threads/%0s/messages", thread_id],
+              path: ["threads/%1$s/messages", thread_id],
               query: parsed,
               page: OpenAI::CursorPage,
               model: OpenAI::Models::Beta::Threads::Message,
@@ -162,7 +162,7 @@ def delete(message_id, params)
               end
             @client.request(
               method: :delete,
-              path: ["threads/%0s/messages/%1s", thread_id, message_id],
+              path: ["threads/%1$s/messages/%2$s", thread_id, message_id],
               model: OpenAI::Models::Beta::Threads::MessageDeleted,
               options: options
             )
diff --git a/lib/openai/resources/beta/threads/runs.rb b/lib/openai/resources/beta/threads/runs.rb
index fa61373d..d67d31ee 100644
--- a/lib/openai/resources/beta/threads/runs.rb
+++ b/lib/openai/resources/beta/threads/runs.rb
@@ -132,7 +132,7 @@ def create(thread_id, params)
             query_params = [:include]
             @client.request(
               method: :post,
-              path: ["threads/%0s/runs", thread_id],
+              path: ["threads/%1$s/runs", thread_id],
               query: parsed.slice(*query_params),
               body: parsed.except(*query_params),
               model: OpenAI::Models::Beta::Threads::Run,
@@ -265,7 +265,7 @@ def create_streaming(thread_id, params)
             query_params = [:include]
             @client.request(
               method: :post,
-              path: ["threads/%0s/runs", thread_id],
+              path: ["threads/%1$s/runs", thread_id],
               query: parsed.slice(*query_params),
               headers: {"accept" => "text/event-stream"},
               body: parsed.except(*query_params),
@@ -295,7 +295,7 @@ def retrieve(run_id, params)
               end
             @client.request(
               method: :get,
-              path: ["threads/%0s/runs/%1s", thread_id, run_id],
+              path: ["threads/%1$s/runs/%2$s", thread_id, run_id],
               model: OpenAI::Models::Beta::Threads::Run,
               options: options
             )
@@ -328,7 +328,7 @@ def update(run_id, params)
               end
             @client.request(
               method: :post,
-              path: ["threads/%0s/runs/%1s", thread_id, run_id],
+              path: ["threads/%1$s/runs/%2$s", thread_id, run_id],
               body: parsed,
               model: OpenAI::Models::Beta::Threads::Run,
               options: options
@@ -364,7 +364,7 @@ def list(thread_id, params = {})
             parsed, options = OpenAI::Models::Beta::Threads::RunListParams.dump_request(params)
             @client.request(
               method: :get,
-              path: ["threads/%0s/runs", thread_id],
+              path: ["threads/%1$s/runs", thread_id],
               query: parsed,
               page: OpenAI::CursorPage,
               model: OpenAI::Models::Beta::Threads::Run,
@@ -391,7 +391,7 @@ def cancel(run_id, params)
               end
             @client.request(
               method: :post,
-              path: ["threads/%0s/runs/%1s/cancel", thread_id, run_id],
+              path: ["threads/%1$s/runs/%2$s/cancel", thread_id, run_id],
               model: OpenAI::Models::Beta::Threads::Run,
               options: options
             )
@@ -427,7 +427,7 @@ def submit_tool_outputs(run_id, params)
               end
             @client.request(
               method: :post,
-              path: ["threads/%0s/runs/%1s/submit_tool_outputs", thread_id, run_id],
+              path: ["threads/%1$s/runs/%2$s/submit_tool_outputs", thread_id, run_id],
               body: parsed,
               model: OpenAI::Models::Beta::Threads::Run,
               options: options
@@ -465,7 +465,7 @@ def submit_tool_outputs_streaming(run_id, params)
               end
             @client.request(
               method: :post,
-              path: ["threads/%0s/runs/%1s/submit_tool_outputs", thread_id, run_id],
+              path: ["threads/%1$s/runs/%2$s/submit_tool_outputs", thread_id, run_id],
               headers: {"accept" => "text/event-stream"},
               body: parsed,
               stream: OpenAI::Stream,
diff --git a/lib/openai/resources/beta/threads/runs/steps.rb b/lib/openai/resources/beta/threads/runs/steps.rb
index 0dc70121..9d087222 100644
--- a/lib/openai/resources/beta/threads/runs/steps.rb
+++ b/lib/openai/resources/beta/threads/runs/steps.rb
@@ -40,7 +40,7 @@ def retrieve(step_id, params)
                 end
               @client.request(
                 method: :get,
-                path: ["threads/%0s/runs/%1s/steps/%2s", thread_id, run_id, step_id],
+                path: ["threads/%1$s/runs/%2$s/steps/%3$s", thread_id, run_id, step_id],
                 query: parsed,
                 model: OpenAI::Models::Beta::Threads::Runs::RunStep,
                 options: options
@@ -91,7 +91,7 @@ def list(run_id, params)
                 end
               @client.request(
                 method: :get,
-                path: ["threads/%0s/runs/%1s/steps", thread_id, run_id],
+                path: ["threads/%1$s/runs/%2$s/steps", thread_id, run_id],
                 query: parsed,
                 page: OpenAI::CursorPage,
                 model: OpenAI::Models::Beta::Threads::Runs::RunStep,
diff --git a/lib/openai/resources/chat/completions.rb b/lib/openai/resources/chat/completions.rb
index 52e05866..86c7172c 100644
--- a/lib/openai/resources/chat/completions.rb
+++ b/lib/openai/resources/chat/completions.rb
@@ -465,7 +465,7 @@ def create_streaming(params)
         def retrieve(completion_id, params = {})
           @client.request(
             method: :get,
-            path: ["chat/completions/%0s", completion_id],
+            path: ["chat/completions/%1$s", completion_id],
             model: OpenAI::Models::Chat::ChatCompletion,
             options: params[:request_options]
           )
@@ -493,7 +493,7 @@ def update(completion_id, params)
           parsed, options = OpenAI::Models::Chat::CompletionUpdateParams.dump_request(params)
           @client.request(
             method: :post,
-            path: ["chat/completions/%0s", completion_id],
+            path: ["chat/completions/%1$s", completion_id],
             body: parsed,
             model: OpenAI::Models::Chat::ChatCompletion,
             options: options
@@ -546,7 +546,7 @@ def list(params = {})
         def delete(completion_id, params = {})
           @client.request(
             method: :delete,
-            path: ["chat/completions/%0s", completion_id],
+            path: ["chat/completions/%1$s", completion_id],
             model: OpenAI::Models::Chat::ChatCompletionDeleted,
             options: params[:request_options]
           )
diff --git a/lib/openai/resources/chat/completions/messages.rb b/lib/openai/resources/chat/completions/messages.rb
index decc122d..e40262ce 100644
--- a/lib/openai/resources/chat/completions/messages.rb
+++ b/lib/openai/resources/chat/completions/messages.rb
@@ -26,7 +26,7 @@ def list(completion_id, params = {})
             parsed, options = OpenAI::Models::Chat::Completions::MessageListParams.dump_request(params)
             @client.request(
               method: :get,
-              path: ["chat/completions/%0s/messages", completion_id],
+              path: ["chat/completions/%1$s/messages", completion_id],
               query: parsed,
               page: OpenAI::CursorPage,
               model: OpenAI::Models::Chat::ChatCompletionStoreMessage,
diff --git a/lib/openai/resources/files.rb b/lib/openai/resources/files.rb
index 63a4f893..d0253a42 100644
--- a/lib/openai/resources/files.rb
+++ b/lib/openai/resources/files.rb
@@ -61,7 +61,7 @@ def create(params)
       def retrieve(file_id, params = {})
         @client.request(
           method: :get,
-          path: ["files/%0s", file_id],
+          path: ["files/%1$s", file_id],
           model: OpenAI::Models::FileObject,
           options: params[:request_options]
         )
@@ -111,7 +111,7 @@ def list(params = {})
       def delete(file_id, params = {})
         @client.request(
           method: :delete,
-          path: ["files/%0s", file_id],
+          path: ["files/%1$s", file_id],
           model: OpenAI::Models::FileDeleted,
           options: params[:request_options]
         )
@@ -129,7 +129,7 @@ def delete(file_id, params = {})
       def content(file_id, params = {})
         @client.request(
           method: :get,
-          path: ["files/%0s/content", file_id],
+          path: ["files/%1$s/content", file_id],
           headers: {"accept" => "application/binary"},
           model: StringIO,
           options: params[:request_options]
diff --git a/lib/openai/resources/fine_tuning/jobs.rb b/lib/openai/resources/fine_tuning/jobs.rb
index 9d00777f..baf7a2cc 100644
--- a/lib/openai/resources/fine_tuning/jobs.rb
+++ b/lib/openai/resources/fine_tuning/jobs.rb
@@ -103,7 +103,7 @@ def create(params)
         def retrieve(fine_tuning_job_id, params = {})
           @client.request(
             method: :get,
-            path: ["fine_tuning/jobs/%0s", fine_tuning_job_id],
+            path: ["fine_tuning/jobs/%1$s", fine_tuning_job_id],
             model: OpenAI::Models::FineTuning::FineTuningJob,
             options: params[:request_options]
           )
@@ -147,7 +147,7 @@ def list(params = {})
         def cancel(fine_tuning_job_id, params = {})
           @client.request(
             method: :post,
-            path: ["fine_tuning/jobs/%0s/cancel", fine_tuning_job_id],
+            path: ["fine_tuning/jobs/%1$s/cancel", fine_tuning_job_id],
             model: OpenAI::Models::FineTuning::FineTuningJob,
             options: params[:request_options]
           )
@@ -170,7 +170,7 @@ def list_events(fine_tuning_job_id, params = {})
           parsed, options = OpenAI::Models::FineTuning::JobListEventsParams.dump_request(params)
           @client.request(
             method: :get,
-            path: ["fine_tuning/jobs/%0s/events", fine_tuning_job_id],
+            path: ["fine_tuning/jobs/%1$s/events", fine_tuning_job_id],
             query: parsed,
             page: OpenAI::CursorPage,
             model: OpenAI::Models::FineTuning::FineTuningJobEvent,
diff --git a/lib/openai/resources/fine_tuning/jobs/checkpoints.rb b/lib/openai/resources/fine_tuning/jobs/checkpoints.rb
index cb4b3c18..ced20ee9 100644
--- a/lib/openai/resources/fine_tuning/jobs/checkpoints.rb
+++ b/lib/openai/resources/fine_tuning/jobs/checkpoints.rb
@@ -22,7 +22,7 @@ def list(fine_tuning_job_id, params = {})
             parsed, options = OpenAI::Models::FineTuning::Jobs::CheckpointListParams.dump_request(params)
             @client.request(
               method: :get,
-              path: ["fine_tuning/jobs/%0s/checkpoints", fine_tuning_job_id],
+              path: ["fine_tuning/jobs/%1$s/checkpoints", fine_tuning_job_id],
               query: parsed,
               page: OpenAI::CursorPage,
               model: OpenAI::Models::FineTuning::Jobs::FineTuningJobCheckpoint,
diff --git a/lib/openai/resources/models.rb b/lib/openai/resources/models.rb
index cff4bf06..937381d2 100644
--- a/lib/openai/resources/models.rb
+++ b/lib/openai/resources/models.rb
@@ -16,7 +16,7 @@ class Models
       def retrieve(model, params = {})
         @client.request(
           method: :get,
-          path: ["models/%0s", model],
+          path: ["models/%1$s", model],
           model: OpenAI::Models::Model,
           options: params[:request_options]
         )
@@ -53,7 +53,7 @@ def list(params = {})
       def delete(model, params = {})
         @client.request(
           method: :delete,
-          path: ["models/%0s", model],
+          path: ["models/%1$s", model],
           model: OpenAI::Models::ModelDeleted,
           options: params[:request_options]
         )
diff --git a/lib/openai/resources/responses.rb b/lib/openai/resources/responses.rb
index e0a7bc26..99f01ccb 100644
--- a/lib/openai/resources/responses.rb
+++ b/lib/openai/resources/responses.rb
@@ -297,7 +297,7 @@ def retrieve(response_id, params = {})
         parsed, options = OpenAI::Models::Responses::ResponseRetrieveParams.dump_request(params)
         @client.request(
           method: :get,
-          path: ["responses/%0s", response_id],
+          path: ["responses/%1$s", response_id],
           query: parsed,
           model: OpenAI::Models::Responses::Response,
           options: options
@@ -316,7 +316,7 @@ def retrieve(response_id, params = {})
       def delete(response_id, params = {})
         @client.request(
           method: :delete,
-          path: ["responses/%0s", response_id],
+          path: ["responses/%1$s", response_id],
           model: NilClass,
           options: params[:request_options]
         )
diff --git a/lib/openai/resources/responses/input_items.rb b/lib/openai/resources/responses/input_items.rb
index ece1f2a1..30f343fd 100644
--- a/lib/openai/resources/responses/input_items.rb
+++ b/lib/openai/resources/responses/input_items.rb
@@ -32,7 +32,7 @@ def list(response_id, params = {})
           parsed, options = OpenAI::Models::Responses::InputItemListParams.dump_request(params)
           @client.request(
             method: :get,
-            path: ["responses/%0s/input_items", response_id],
+            path: ["responses/%1$s/input_items", response_id],
             query: parsed,
             page: OpenAI::CursorPage,
             model: OpenAI::Models::Responses::ResponseItem,
diff --git a/lib/openai/resources/uploads.rb b/lib/openai/resources/uploads.rb
index f72e4255..f50e95ed 100644
--- a/lib/openai/resources/uploads.rb
+++ b/lib/openai/resources/uploads.rb
@@ -68,7 +68,7 @@ def create(params)
       def cancel(upload_id, params = {})
         @client.request(
           method: :post,
-          path: ["uploads/%0s/cancel", upload_id],
+          path: ["uploads/%1$s/cancel", upload_id],
           model: OpenAI::Models::Upload,
           options: params[:request_options]
         )
@@ -104,7 +104,7 @@ def complete(upload_id, params)
         parsed, options = OpenAI::Models::UploadCompleteParams.dump_request(params)
         @client.request(
           method: :post,
-          path: ["uploads/%0s/complete", upload_id],
+          path: ["uploads/%1$s/complete", upload_id],
           body: parsed,
           model: OpenAI::Models::Upload,
           options: options
diff --git a/lib/openai/resources/uploads/parts.rb b/lib/openai/resources/uploads/parts.rb
index b90eef15..ea9e8a5f 100644
--- a/lib/openai/resources/uploads/parts.rb
+++ b/lib/openai/resources/uploads/parts.rb
@@ -29,7 +29,7 @@ def create(upload_id, params)
           parsed, options = OpenAI::Models::Uploads::PartCreateParams.dump_request(params)
           @client.request(
             method: :post,
-            path: ["uploads/%0s/parts", upload_id],
+            path: ["uploads/%1$s/parts", upload_id],
             headers: {"content-type" => "multipart/form-data"},
             body: parsed,
             model: OpenAI::Models::Uploads::UploadPart,
diff --git a/lib/openai/resources/vector_stores.rb b/lib/openai/resources/vector_stores.rb
index e60a1592..5d0fe33d 100644
--- a/lib/openai/resources/vector_stores.rb
+++ b/lib/openai/resources/vector_stores.rb
@@ -57,7 +57,7 @@ def create(params = {})
       def retrieve(vector_store_id, params = {})
         @client.request(
           method: :get,
-          path: ["vector_stores/%0s", vector_store_id],
+          path: ["vector_stores/%1$s", vector_store_id],
           model: OpenAI::Models::VectorStore,
           options: params[:request_options]
         )
@@ -87,7 +87,7 @@ def update(vector_store_id, params = {})
         parsed, options = OpenAI::Models::VectorStoreUpdateParams.dump_request(params)
         @client.request(
           method: :post,
-          path: ["vector_stores/%0s", vector_store_id],
+          path: ["vector_stores/%1$s", vector_store_id],
           body: parsed,
           model: OpenAI::Models::VectorStore,
           options: options
@@ -141,7 +141,7 @@ def list(params = {})
       def delete(vector_store_id, params = {})
         @client.request(
           method: :delete,
-          path: ["vector_stores/%0s", vector_store_id],
+          path: ["vector_stores/%1$s", vector_store_id],
           model: OpenAI::Models::VectorStoreDeleted,
           options: params[:request_options]
         )
@@ -172,7 +172,7 @@ def search(vector_store_id, params)
         parsed, options = OpenAI::Models::VectorStoreSearchParams.dump_request(params)
         @client.request(
           method: :post,
-          path: ["vector_stores/%0s/search", vector_store_id],
+          path: ["vector_stores/%1$s/search", vector_store_id],
           body: parsed,
           page: OpenAI::Page,
           model: OpenAI::Models::VectorStoreSearchResponse,
diff --git a/lib/openai/resources/vector_stores/file_batches.rb b/lib/openai/resources/vector_stores/file_batches.rb
index b3523d38..1a9d1dae 100644
--- a/lib/openai/resources/vector_stores/file_batches.rb
+++ b/lib/openai/resources/vector_stores/file_batches.rb
@@ -30,7 +30,7 @@ def create(vector_store_id, params)
           parsed, options = OpenAI::Models::VectorStores::FileBatchCreateParams.dump_request(params)
           @client.request(
             method: :post,
-            path: ["vector_stores/%0s/file_batches", vector_store_id],
+            path: ["vector_stores/%1$s/file_batches", vector_store_id],
             body: parsed,
             model: OpenAI::Models::VectorStores::VectorStoreFileBatch,
             options: options
@@ -56,7 +56,7 @@ def retrieve(batch_id, params)
             end
           @client.request(
             method: :get,
-            path: ["vector_stores/%0s/file_batches/%1s", vector_store_id, batch_id],
+            path: ["vector_stores/%1$s/file_batches/%2$s", vector_store_id, batch_id],
             model: OpenAI::Models::VectorStores::VectorStoreFileBatch,
             options: options
           )
@@ -82,7 +82,7 @@ def cancel(batch_id, params)
             end
           @client.request(
             method: :post,
-            path: ["vector_stores/%0s/file_batches/%1s/cancel", vector_store_id, batch_id],
+            path: ["vector_stores/%1$s/file_batches/%2$s/cancel", vector_store_id, batch_id],
             model: OpenAI::Models::VectorStores::VectorStoreFileBatch,
             options: options
           )
@@ -126,7 +126,7 @@ def list_files(batch_id, params)
             end
           @client.request(
             method: :get,
-            path: ["vector_stores/%0s/file_batches/%1s/files", vector_store_id, batch_id],
+            path: ["vector_stores/%1$s/file_batches/%2$s/files", vector_store_id, batch_id],
             query: parsed,
             page: OpenAI::CursorPage,
             model: OpenAI::Models::VectorStores::VectorStoreFile,
diff --git a/lib/openai/resources/vector_stores/files.rb b/lib/openai/resources/vector_stores/files.rb
index 54b806c0..57e9af60 100644
--- a/lib/openai/resources/vector_stores/files.rb
+++ b/lib/openai/resources/vector_stores/files.rb
@@ -32,7 +32,7 @@ def create(vector_store_id, params)
           parsed, options = OpenAI::Models::VectorStores::FileCreateParams.dump_request(params)
           @client.request(
             method: :post,
-            path: ["vector_stores/%0s/files", vector_store_id],
+            path: ["vector_stores/%1$s/files", vector_store_id],
             body: parsed,
             model: OpenAI::Models::VectorStores::VectorStoreFile,
             options: options
@@ -58,7 +58,7 @@ def retrieve(file_id, params)
             end
           @client.request(
             method: :get,
-            path: ["vector_stores/%0s/files/%1s", vector_store_id, file_id],
+            path: ["vector_stores/%1$s/files/%2$s", vector_store_id, file_id],
             model: OpenAI::Models::VectorStores::VectorStoreFile,
             options: options
           )
@@ -89,7 +89,7 @@ def update(file_id, params)
             end
           @client.request(
             method: :post,
-            path: ["vector_stores/%0s/files/%1s", vector_store_id, file_id],
+            path: ["vector_stores/%1$s/files/%2$s", vector_store_id, file_id],
             body: parsed,
             model: OpenAI::Models::VectorStores::VectorStoreFile,
             options: options
@@ -127,7 +127,7 @@ def list(vector_store_id, params = {})
           parsed, options = OpenAI::Models::VectorStores::FileListParams.dump_request(params)
           @client.request(
             method: :get,
-            path: ["vector_stores/%0s/files", vector_store_id],
+            path: ["vector_stores/%1$s/files", vector_store_id],
             query: parsed,
             page: OpenAI::CursorPage,
             model: OpenAI::Models::VectorStores::VectorStoreFile,
@@ -157,7 +157,7 @@ def delete(file_id, params)
             end
           @client.request(
             method: :delete,
-            path: ["vector_stores/%0s/files/%1s", vector_store_id, file_id],
+            path: ["vector_stores/%1$s/files/%2$s", vector_store_id, file_id],
             model: OpenAI::Models::VectorStores::VectorStoreFileDeleted,
             options: options
           )
@@ -182,7 +182,7 @@ def content(file_id, params)
             end
           @client.request(
             method: :get,
-            path: ["vector_stores/%0s/files/%1s/content", vector_store_id, file_id],
+            path: ["vector_stores/%1$s/files/%2$s/content", vector_store_id, file_id],
             page: OpenAI::Page,
             model: OpenAI::Models::VectorStores::FileContentResponse,
             options: options
diff --git a/lib/openai/util.rb b/lib/openai/util.rb
index f19004c2..8a4b693f 100644
--- a/lib/openai/util.rb
+++ b/lib/openai/util.rb
@@ -253,9 +253,9 @@ def interpolate_path(path)
           path
         in []
           ""
-        in [String, *interpolations]
+        in [String => p, *interpolations]
           encoded = interpolations.map { ERB::Util.url_encode(_1) }
-          path.first % encoded
+          format(p, *encoded)
         end
       end
     end