> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://mailchimp.com/developer/transactional/api/rejects/delete-sms/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://mailchimp.com/_mcp/server. # Remove SMS from denylist POST https://mandrillapp.com/api/1.4/rejects/delete-sms Content-Type: application/json Deletes an SMS rejection. There is no limit to how many rejections you can remove from your denylist, but keep in mind that each deletion has an affect on your reputation. Reference: https://mailchimp.com/developer/transactional/api/rejects/delete-sms ## Request ### Body (application/json) This endpoint expects a RejectsDeleteSmsRequest. - `key` (string, required) — A valid Mandrill API key - `phone` (string, required) — A phone number in E.164 format - `subaccount` (string, optional) — An optional unique identifier for the subaccount to limit the denylist deletion ## Response ### 200 Success - `any` ## Errors ### 401 Unauthorized Error Invalid or missing API key. - `status` (string, required) — Status of the response, typically "error" - `code` (enum, required) — Numeric error code - Allowed values: `401` - `name` (enum, required) — Machine-friendly error name - Allowed values: `Invalid_Key` - `message` (string, required) — Human-readable error message ### 404 Not Found Error Phone number not found in rejection list or unknown subaccount - `status` (string, required) — Status of the response, typically "error" - `code` (integer, required) — Numeric error code - `name` (string, required) — Machine-friendly error name - `message` (string, required) — Human-readable error message ### 422 Unprocessable Entity Error One or more request parameters failed validation. - `status` (string, required) — Status of the response, typically "error" - `code` (integer, required) — Numeric error code - `name` (enum, required) — Machine-friendly error name - Allowed values: `ValidationError` - `message` (string, required) — Human-readable error message ### 500 Internal Server Error An unexpected internal server error occurred. - `status` (string, required) — Status of the response, typically "error" - `code` (integer, required) — Numeric error code - `name` (string, required) — Machine-friendly error name - `message` (string, required) — Human-readable error message ## Examples **Request** ```json { "key": "ONzNrsmbtNXoIKyfPmjnig", "phone": "+12025551234", "subaccount": "cust-123" } ``` **Response** ```json { "added": true, "deleted": true, "phone": "+12025551234", "subaccount": "cust-123" } ``` **SDK Code** ```python import requests url = "https://mandrillapp.com/api/1.4/rejects/delete-sms" payload = { "key": "ONzNrsmbtNXoIKyfPmjnig", "phone": "+12025551234", "subaccount": "cust-123" } headers = {"Content-Type": "application/json"} response = requests.post(url, json=payload, headers=headers) print(response.json()) ``` ```javascript const url = 'https://mandrillapp.com/api/1.4/rejects/delete-sms'; const options = { method: 'POST', headers: {'Content-Type': 'application/json'}, body: '{"key":"ONzNrsmbtNXoIKyfPmjnig","phone":"+12025551234","subaccount":"cust-123"}' }; try { const response = await fetch(url, options); const data = await response.json(); console.log(data); } catch (error) { console.error(error); } ``` ```go package main import ( "fmt" "strings" "net/http" "io" ) func main() { url := "https://mandrillapp.com/api/1.4/rejects/delete-sms" payload := strings.NewReader("{\n \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n \"phone\": \"+12025551234\",\n \"subaccount\": \"cust-123\"\n}") req, _ := http.NewRequest("POST", url, payload) req.Header.Add("Content-Type", "application/json") 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://mandrillapp.com/api/1.4/rejects/delete-sms") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true request = Net::HTTP::Post.new(url) request["Content-Type"] = 'application/json' request.body = "{\n \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n \"phone\": \"+12025551234\",\n \"subaccount\": \"cust-123\"\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://mandrillapp.com/api/1.4/rejects/delete-sms") .header("Content-Type", "application/json") .body("{\n \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n \"phone\": \"+12025551234\",\n \"subaccount\": \"cust-123\"\n}") .asString(); ``` ```php request('POST', 'https://mandrillapp.com/api/1.4/rejects/delete-sms', [ 'body' => '{ "key": "ONzNrsmbtNXoIKyfPmjnig", "phone": "+12025551234", "subaccount": "cust-123" }', 'headers' => [ 'Content-Type' => 'application/json', ], ]); echo $response->getBody(); ``` ```csharp using RestSharp; var client = new RestClient("https://mandrillapp.com/api/1.4/rejects/delete-sms"); var request = new RestRequest(Method.POST); request.AddHeader("Content-Type", "application/json"); request.AddParameter("application/json", "{\n \"key\": \"ONzNrsmbtNXoIKyfPmjnig\",\n \"phone\": \"+12025551234\",\n \"subaccount\": \"cust-123\"\n}", ParameterType.RequestBody); IRestResponse response = client.Execute(request); ``` ```swift import Foundation let headers = ["Content-Type": "application/json"] let parameters = [ "key": "ONzNrsmbtNXoIKyfPmjnig", "phone": "+12025551234", "subaccount": "cust-123" ] as [String : Any] let postData = JSONSerialization.data(withJSONObject: parameters, options: []) let request = NSMutableURLRequest(url: NSURL(string: "https://mandrillapp.com/api/1.4/rejects/delete-sms")! 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() ``` > Find all the Mailchimp API documentation and tools developers need to send marketing and transactional emails.