> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.vellum.ai/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.vellum.ai/_mcp/server. # Bulk Update Test Cases POST https://api.vellum.ai/v1/test-suites/{id}/test-cases-bulk Content-Type: application/x-ndjson Created, replace, and delete Test Cases within the specified Test Suite in bulk Reference: https://docs.vellum.ai/developers/client-sdk/test-suites/test-cases/bulk-update ## Authentication - `X-API-KEY` header (required) — API Key authentication via header ## Request ### Path parameters - `id` (string, required) — Either the Test Suites' ID or its unique name ### Body (application/x-ndjson) This endpoint expects a list of TestSuiteTestCaseBulkOperationRequest. - `list of TestSuiteTestCaseBulkOperationRequest` ## Response ### 200 - Streaming response of `list of TestSuiteTestCaseBulkResult`. ## Types ### TestSuiteTestCaseBulkOperationRequest ### TestSuiteTestCaseBulkResult ### TestSuiteTestCaseCreateBulkOperationRequest A bulk operation that represents the creation of a Test Case. - `id` (string, required) — An ID representing this specific operation. Can later be used to look up information about the operation's success in the response. - `type` (enum, required) - Allowed values: `CREATE` - `data` (CreateTestSuiteTestCaseRequest, required) — Information about the Test Case to create ### TestSuiteTestCaseReplaceBulkOperationRequest A bulk operation that represents the replacing of a Test Case. - `id` (string, required) — An ID representing this specific operation. Can later be used to look up information about the operation's success in the response. - `type` (enum, required) - Allowed values: `REPLACE` - `data` (ReplaceTestSuiteTestCaseRequest, required) — Information about the Test Case to replace ### TestSuiteTestCaseUpsertBulkOperationRequest A bulk operation that represents the upserting of a Test Case. - `id` (string, required) — An ID representing this specific operation. Can later be used to look up information about the operation's success in the response. - `type` (enum, required) - Allowed values: `UPSERT` - `data` (UpsertTestSuiteTestCaseRequest, required) ### TestSuiteTestCaseDeleteBulkOperationRequest A bulk operation that represents the deletion of a Test Case. - `id` (string, required) — An ID representing this specific operation. Can later be used to look up information about the operation's success in the response. - `type` (enum, required) - Allowed values: `DELETE` - `data` (TestSuiteTestCaseDeleteBulkOperationDataRequest, required) — Information about the Test Case to delete ### TestSuiteTestCaseCreatedBulkResult The result of a bulk operation that created a Test Case. - `id` (string, required) - `type` (enum, required) - Allowed values: `CREATED` - `data` (TestSuiteTestCaseCreatedBulkResultData, required) — Information about the Test Case that was created. ### TestSuiteTestCaseReplacedBulkResult The result of a bulk operation that replaced a Test Case. - `id` (string, required) — An ID that maps back to one of the initially supplied operations. Can be used to determine the result of a given operation. - `type` (enum, required) - Allowed values: `REPLACED` - `data` (TestSuiteTestCaseReplacedBulkResultData, required) — Information about the Test Case that was replaced ### TestSuiteTestCaseDeletedBulkResult The result of a bulk operation that deleted a Test Case. - `id` (string, required) — An ID that maps back to one of the initially supplied operations. Can be used to determine the result of a given operation. - `type` (enum, required) - Allowed values: `DELETED` - `data` (TestSuiteTestCaseDeletedBulkResultData, required) — Information about the Test Case that was deleted ### TestSuiteTestCaseRejectedBulkResult The result of a bulk operation that failed to operate on a Test Case. - `type` (enum, required) - Allowed values: `REJECTED` - `data` (map from string to any, required) — Details about the error that occurred - `id` (string, optional, nullable) — An ID that maps back to one of the initially supplied operations. Can be used to determine the result of a given operation. ### CreateTestSuiteTestCaseRequest Information about the Test Case to create - `input_values` (list of NamedTestCaseVariableValueRequest, required) — Values for each of the Test Case's input variables - `evaluation_values` (list of NamedTestCaseVariableValueRequest, required) — Values for each of the Test Case's evaluation variables - `label` (string, optional, nullable) — A human-readable label used to convey the intention of this Test Case - `external_id` (string, optional, nullable) — Optionally provide an ID that uniquely identifies this Test Case in your system. Useful for updating this Test Cases data after initial creation. Cannot be changed later. ### ReplaceTestSuiteTestCaseRequest Information about the Test Case to replace - `input_values` (list of NamedTestCaseVariableValueRequest, required) — Values for each of the Test Case's input variables - `evaluation_values` (list of NamedTestCaseVariableValueRequest, required) — Values for each of the Test Case's evaluation variables - `id` (string, optional, nullable) — The Vellum-generated ID of the Test Case whose data you'd like to replace. Must specify either this or external_id. - `external_id` (string, optional, nullable) — The ID that was originally provided upon Test Case creation that uniquely identifies the Test Case whose data you'd like to replace. Must specify either this of id. - `label` (string, optional, nullable) — A human-readable label used to convey the intention of this Test Case ### UpsertTestSuiteTestCaseRequest - `input_values` (list of NamedTestCaseVariableValueRequest, required) — Values for each of the Test Case's input variables - `evaluation_values` (list of NamedTestCaseVariableValueRequest, required) — Values for each of the Test Case's evaluation variables - `id` (string, optional) — The Vellum-generated ID of an existing Test Case whose data you'd like to replace. If specified and no Test Case exists with this ID, a 404 will be returned. - `external_id` (string, optional) — An ID external to Vellum that uniquely identifies the Test Case that you'd like to create/update. If there's a match on a Test Case that was previously created with the same external_id, it will be updated. Otherwise, a new Test Case will be created with this value as its external_id. If no external_id is specified, then a new Test Case will always be created. - `label` (string, optional, nullable) — A human-readable label used to convey the intention of this Test Case ### TestSuiteTestCaseDeleteBulkOperationDataRequest - `id` (string, required) ### TestSuiteTestCaseCreatedBulkResultData Information about the Test Case that was created. - `id` (string, required) ### TestSuiteTestCaseReplacedBulkResultData Information about the Test Case that was replaced - `id` (string, required) ### TestSuiteTestCaseDeletedBulkResultData Information about the Test Case that was deleted - `id` (string, required) ### NamedTestCaseVariableValueRequest ### NamedTestCaseStringVariableValueRequest Named Test Case value that is of type STRING - `type` (enum, required) - Allowed values: `STRING` - `value` (string, required, nullable) - `name` (string, required) ### NamedTestCaseNumberVariableValueRequest Named Test Case value that is of type NUMBER - `type` (enum, required) - Allowed values: `NUMBER` - `value` (double, required, nullable) - `name` (string, required) ### NamedTestCaseJsonVariableValueRequest Named Test Case value that is of type JSON - `type` (enum, required) - Allowed values: `JSON` - `value` (any, required, nullable) - `name` (string, required) ### NamedTestCaseChatHistoryVariableValueRequest Named Test Case value that is of type CHAT_HISTORY - `type` (enum, required) - Allowed values: `CHAT_HISTORY` - `value` (list of ChatMessageRequest, required, nullable) - `name` (string, required) ### NamedTestCaseSearchResultsVariableValueRequest Named Test Case value that is of type SEARCH_RESULTS - `type` (enum, required) - Allowed values: `SEARCH_RESULTS` - `value` (list of SearchResultRequest, required, nullable) - `name` (string, required) ### NamedTestCaseErrorVariableValueRequest Named Test Case value that is of type ERROR - `type` (enum, required) - Allowed values: `ERROR` - `value` (VellumErrorRequest, required, nullable) - `name` (string, required) ### NamedTestCaseFunctionCallVariableValueRequest Named Test Case value that is of type FUNCTION_CALL - `type` (enum, required) - Allowed values: `FUNCTION_CALL` - `value` (FunctionCallRequest, required, nullable) — The final resolved function call value. - `name` (string, required) ### NamedTestCaseArrayVariableValueRequest Named Test Case value that is of type ARRAY - `type` (enum, required) - Allowed values: `ARRAY` - `value` (list of VellumValueRequest, required, nullable) - `name` (string, required) ### NamedTestCaseAudioVariableValueRequest Named Test Case value that is of type AUDIO - `type` (enum, required) - Allowed values: `AUDIO` - `value` (VellumAudioRequest, required, nullable) - `name` (string, required) ### NamedTestCaseVideoVariableValueRequest - `type` (enum, required) - Allowed values: `VIDEO` - `value` (VellumVideoRequest, required, nullable) - `name` (string, required) ### NamedTestCaseImageVariableValueRequest - `type` (enum, required) - Allowed values: `IMAGE` - `value` (VellumImageRequest, required, nullable) - `name` (string, required) ### NamedTestCaseDocumentVariableValueRequest - `type` (enum, required) - Allowed values: `DOCUMENT` - `value` (VellumDocumentRequest, required, nullable) - `name` (string, required) ### ChatMessageRequest - `role` (enum, required) — * `SYSTEM` - System * `ASSISTANT` - Assistant * `USER` - User * `FUNCTION` - Function - Allowed values: `SYSTEM`, `ASSISTANT`, `USER`, `FUNCTION` - `text` (string, optional, nullable) - `content` (ChatMessageContentRequest, optional, nullable) - `source` (string, optional, nullable) — An optional identifier representing who or what generated this message. - `metadata` (map from string to any, optional, nullable) ### SearchResultRequest - `text` (string, required) — The text of the chunk that matched the search query. - `score` (double, required) — A score representing how well the chunk matches the search query. - `keywords` (list of string, required) - `document` (SearchResultDocumentRequest, required) — The document that contains the chunk that matched the search query. - `meta` (SearchResultMetaRequest, optional, nullable) — Additional information about the search result. ### VellumErrorRequest - `code` (enum, required) — * `INVALID_REQUEST` - INVALID_REQUEST * `INVALID_INPUTS` - INVALID_INPUTS * `PROVIDER_ERROR` - PROVIDER_ERROR * `PROVIDER_CREDENTIALS_UNAVAILABLE` - PROVIDER_CREDENTIALS_UNAVAILABLE * `INTEGRATION_CREDENTIALS_UNAVAILABLE` - INTEGRATION_CREDENTIALS_UNAVAILABLE * `REQUEST_TIMEOUT` - REQUEST_TIMEOUT * `INTERNAL_SERVER_ERROR` - INTERNAL_SERVER_ERROR * `USER_DEFINED_ERROR` - USER_DEFINED_ERROR * `WORKFLOW_CANCELLED` - WORKFLOW_CANCELLED * `NODE_CANCELLED` - NODE_CANCELLED * `PROVIDER_QUOTA_EXCEEDED` - PROVIDER_QUOTA_EXCEEDED * `CHAT_QUOTA_EXCEEDED` - CHAT_QUOTA_EXCEEDED - Allowed values: `INVALID_REQUEST`, `INVALID_INPUTS`, `PROVIDER_ERROR`, `PROVIDER_CREDENTIALS_UNAVAILABLE`, `INTEGRATION_CREDENTIALS_UNAVAILABLE`, `REQUEST_TIMEOUT`, `INTERNAL_SERVER_ERROR`, `USER_DEFINED_ERROR`, `WORKFLOW_CANCELLED`, `NODE_CANCELLED`, `PROVIDER_QUOTA_EXCEEDED`, `CHAT_QUOTA_EXCEEDED` - `message` (string, required) - `raw_data` (map from string to any, optional, nullable) ### FunctionCallRequest The final resolved function call value. - `arguments` (map from string to any, required) - `name` (string, required) - `id` (string, optional, nullable) ### VellumValueRequest ### VellumAudioRequest - `src` (string, required) — The reference to the source data. This can be one of the following formats: 1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...'). 2. A url pointing to a file accessible over HTTP or HTTPS. 3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:\{uploaded\_file\_id}'. You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See [https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve](https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve) for details. - `metadata` (map from string to any, optional, nullable) ### VellumVideoRequest - `src` (string, required) — The reference to the source data. This can be one of the following formats: 1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...'). 2. A url pointing to a file accessible over HTTP or HTTPS. 3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:\{uploaded\_file\_id}'. You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See [https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve](https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve) for details. - `metadata` (map from string to any, optional, nullable) ### VellumImageRequest - `src` (string, required) — The reference to the source data. This can be one of the following formats: 1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...'). 2. A url pointing to a file accessible over HTTP or HTTPS. 3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:\{uploaded\_file\_id}'. You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See [https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve](https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve) for details. - `metadata` (map from string to any, optional, nullable) ### VellumDocumentRequest - `src` (string, required) — The reference to the source data. This can be one of the following formats: 1. A base64-encoded data URL (e.g., 'data:application/pdf;base64,JVBERi0xLjQKJcfs...'). 2. A url pointing to a file accessible over HTTP or HTTPS. 3. A reference to a file that's been previously uploaded to Vellum, in the form of 'vellum:uploaded-file:\{uploaded\_file\_id}'. You can use the Uploaded Files API to retrieve the url of the uploaded file given its ID. See [https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve](https://docs.vellum.ai/developers/client-sdk/uploaded-files/retrieve) for details. - `metadata` (map from string to any, optional, nullable) ### ChatMessageContentRequest ### SearchResultDocumentRequest - `label` (string, required) — The human-readable name for the document. - `id` (string, optional, nullable) — The ID of the document. - `external_id` (string, optional, nullable) — The unique ID of the document as represented in an external system and specified when it was originally uploaded. - `metadata` (map from string to any, optional, nullable) — A previously supplied JSON object containing metadata that can be filtered on when searching. ### SearchResultMetaRequest - `source` (SearchResultMetaSourceRequest, optional, nullable) ### StringVellumValueRequest A value representing a string. - `type` (enum, required) - Allowed values: `STRING` - `value` (string, required, nullable) ### NumberVellumValueRequest A value representing a number. - `type` (enum, required) - Allowed values: `NUMBER` - `value` (double, required, nullable) ### JsonVellumValueRequest A value representing a JSON object. - `type` (enum, required) - Allowed values: `JSON` - `value` (any, required, nullable) ### AudioVellumValueRequest A base Vellum primitive value representing audio. - `type` (enum, required) - Allowed values: `AUDIO` - `value` (VellumAudioRequest, required, nullable) ### VideoVellumValueRequest A base Vellum primitive value representing a video. - `type` (enum, required) - Allowed values: `VIDEO` - `value` (VellumVideoRequest, required, nullable) ### ImageVellumValueRequest A base Vellum primitive value representing an image. - `type` (enum, required) - Allowed values: `IMAGE` - `value` (VellumImageRequest, required, nullable) ### DocumentVellumValueRequest A base Vellum primitive value representing a document. - `type` (enum, required) - Allowed values: `DOCUMENT` - `value` (VellumDocumentRequest, required, nullable) ### FunctionCallVellumValueRequest A value representing a Function Call. - `type` (enum, required) - Allowed values: `FUNCTION_CALL` - `value` (FunctionCallRequest, required, nullable) — The final resolved function call value. ### ErrorVellumValueRequest A value representing an Error. - `type` (enum, required) - Allowed values: `ERROR` - `value` (VellumErrorRequest, required, nullable) ### ArrayVellumValueRequest A value representing an array of Vellum variable values. - `type` (enum, required) - Allowed values: `ARRAY` - `value` (list of VellumValueRequest, required, nullable) ### ChatHistoryVellumValueRequest A value representing Chat History. - `type` (enum, required) - Allowed values: `CHAT_HISTORY` - `value` (list of ChatMessageRequest, required, nullable) ### SearchResultsVellumValueRequest A value representing Search Results. - `type` (enum, required) - Allowed values: `SEARCH_RESULTS` - `value` (list of SearchResultRequest, required, nullable) ### ThinkingVellumValueRequest A value representing Thinking mode output. - `type` (enum, required) - Allowed values: `THINKING` - `value` (StringVellumValueRequest, required, nullable) — A value representing a string. ### StringChatMessageContentRequest A string value that is used in a chat message. - `type` (enum, required) - Allowed values: `STRING` - `value` (string, required) ### FunctionCallChatMessageContentRequest A function call value that is used in a chat message. - `type` (enum, required) - Allowed values: `FUNCTION_CALL` - `value` (FunctionCallChatMessageContentValueRequest, required) — The final resolved function call value. ### ArrayChatMessageContentRequest A list of chat message content items. - `type` (enum, required) - Allowed values: `ARRAY` - `value` (list of ArrayChatMessageContentItemRequest, required) ### AudioChatMessageContentRequest An audio value that is used in a chat message. - `type` (enum, required) - Allowed values: `AUDIO` - `value` (VellumAudioRequest, required) ### VideoChatMessageContentRequest A video value that is used in a chat message. - `type` (enum, required) - Allowed values: `VIDEO` - `value` (VellumVideoRequest, required) ### ImageChatMessageContentRequest An image value that is used in a chat message. - `type` (enum, required) - Allowed values: `IMAGE` - `value` (VellumImageRequest, required) ### DocumentChatMessageContentRequest A document value that is used in a chat message. - `type` (enum, required) - Allowed values: `DOCUMENT` - `value` (VellumDocumentRequest, required) ### SearchResultMetaSourceRequest ### FunctionCallChatMessageContentValueRequest The final resolved function call value. - `name` (string, required) - `arguments` (map from string to any, required) - `id` (string, optional, nullable) ### ArrayChatMessageContentItemRequest ### PdfSearchResultMetaSourceRequest The source of a search result from a PDF document. - `document_type` (enum, required) - Allowed values: `PDF` - `start_page_num` (integer, required, nullable) — The 1-indexed page number where the chunk starts in the document. Only available for supported chunking strategies and document types. - `end_page_num` (integer, required, nullable) — The 1-indexed page number where the chunk ends in the document. Only available for supported chunking strategies and document types. ## Examples **Request** ```json [ { "id": "string", "type": "CREATE", "data": { "input_values": [ { "type": "STRING", "value": "string", "name": "string" } ], "evaluation_values": [ { "type": "STRING", "value": "string", "name": "string" } ] } } ] ``` **Response** ```json [ { "type": "json", "value": [ { "id": "string", "type": "CREATED", "data": { "id": "string" } } ] } ] ``` **SDK Code** ```python import requests url = "https://api.vellum.ai/v1/test-suites/id/test-cases-bulk" payload = "[\n {\n \"id\": \"string\",\n \"type\": \"CREATE\",\n \"data\": {\n \"input_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ],\n \"evaluation_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ]\n }\n }\n]" headers = { "X-API-KEY": "", "Content-Type": "application/x-ndjson" } response = requests.post(url, data=payload, headers=headers) print(response.json()) ``` ```typescript import { VellumClient } from "vellum-ai"; const client = new VellumClient({ apiKey: "YOUR_API_KEY", apiVersion: "YOUR_API_VERSION" }); const response = await client.testSuites.testSuiteTestCasesBulk("id", [{ id: "id", type: "CREATE", data: { inputValues: [{ type: "STRING", name: "x" }, { type: "STRING", name: "x" }], evaluationValues: [{ type: "STRING", name: "x" }, { type: "STRING", name: "x" }] } }, { id: "id", type: "CREATE", data: { inputValues: [{ type: "STRING", name: "x" }, { type: "STRING", name: "x" }], evaluationValues: [{ type: "STRING", name: "x" }, { type: "STRING", name: "x" }] } }]); for await (const item of response) { console.log(item); } ``` ```go package main import ( "fmt" "strings" "net/http" "io" ) func main() { url := "https://api.vellum.ai/v1/test-suites/id/test-cases-bulk" payload := strings.NewReader("[\n {\n \"id\": \"string\",\n \"type\": \"CREATE\",\n \"data\": {\n \"input_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ],\n \"evaluation_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ]\n }\n }\n]") req, _ := http.NewRequest("POST", url, payload) req.Header.Add("X-API-KEY", "") req.Header.Add("Content-Type", "application/x-ndjson") res, _ := http.DefaultClient.Do(req) defer res.Body.Close() body, _ := io.ReadAll(res.Body) fmt.Println(res) fmt.Println(string(body)) } ``` ```ruby require 'uri' require 'net/http' url = URI("https://api.vellum.ai/v1/test-suites/id/test-cases-bulk") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true request = Net::HTTP::Post.new(url) request["X-API-KEY"] = '' request["Content-Type"] = 'application/x-ndjson' request.body = "[\n {\n \"id\": \"string\",\n \"type\": \"CREATE\",\n \"data\": {\n \"input_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ],\n \"evaluation_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ]\n }\n }\n]" response = http.request(request) puts response.read_body ``` ```java import com.mashape.unirest.http.HttpResponse; import com.mashape.unirest.http.Unirest; HttpResponse response = Unirest.post("https://api.vellum.ai/v1/test-suites/id/test-cases-bulk") .header("X-API-KEY", "") .header("Content-Type", "application/x-ndjson") .body("[\n {\n \"id\": \"string\",\n \"type\": \"CREATE\",\n \"data\": {\n \"input_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ],\n \"evaluation_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ]\n }\n }\n]") .asString(); ``` ```php request('POST', 'https://api.vellum.ai/v1/test-suites/id/test-cases-bulk', [ 'body' => '[ { "id": "string", "type": "CREATE", "data": { "input_values": [ { "type": "STRING", "value": "string", "name": "string" } ], "evaluation_values": [ { "type": "STRING", "value": "string", "name": "string" } ] } } ]', 'headers' => [ 'Content-Type' => 'application/x-ndjson', 'X-API-KEY' => '', ], ]); echo $response->getBody(); ``` ```csharp using RestSharp; var client = new RestClient("https://api.vellum.ai/v1/test-suites/id/test-cases-bulk"); var request = new RestRequest(Method.POST); request.AddHeader("X-API-KEY", ""); request.AddHeader("Content-Type", "application/x-ndjson"); request.AddParameter("application/x-ndjson", "[\n {\n \"id\": \"string\",\n \"type\": \"CREATE\",\n \"data\": {\n \"input_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ],\n \"evaluation_values\": [\n {\n \"type\": \"STRING\",\n \"value\": \"string\",\n \"name\": \"string\"\n }\n ]\n }\n }\n]", ParameterType.RequestBody); IRestResponse response = client.Execute(request); ``` ```swift import Foundation let headers = [ "X-API-KEY": "", "Content-Type": "application/x-ndjson" ] let postData = NSData(data: "[ { "id": "string", "type": "CREATE", "data": { "input_values": [ { "type": "STRING", "value": "string", "name": "string" } ], "evaluation_values": [ { "type": "STRING", "value": "string", "name": "string" } ] } } ]".data(using: String.Encoding.utf8)!) let request = NSMutableURLRequest(url: NSURL(string: "https://api.vellum.ai/v1/test-suites/id/test-cases-bulk")! as URL, cachePolicy: .useProtocolCachePolicy, timeoutInterval: 10.0) request.httpMethod = "POST" request.allHTTPHeaderFields = headers request.httpBody = postData as Data let session = URLSession.shared let dataTask = session.dataTask(with: request as URLRequest, completionHandler: { (data, response, error) -> Void in if (error != nil) { print(error as Any) } else { let httpResponse = response as? HTTPURLResponse print(httpResponse) } }) dataTask.resume() ```