> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.ocpplab.io/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.ocpplab.io/_mcp/server. # Send an OCPI command to a charger POST https://api.ocpplab.io/proxy/ocpi/commands/{command} Content-Type: application/json Translates an OCPI command (START\_SESSION, STOP\_SESSION, …) into OCPP through the gateway. Poll `GET /proxy/ocpi/commands/{tracking_id}` with the returned `tracking_id` for the OCPI CommandResult. Reference: https://docs.ocpplab.io/api-reference/proxy/commands/send-ocpi ## Authentication - `Authorization` header (bearer token, required) — Bearer authentication of the form `Bearer `, where token is your auth token. ## Request ### Path parameters - `command` (enum, required) — OCPI command type. - Allowed values: `START_SESSION`, `STOP_SESSION`, `RESERVE_NOW`, `CANCEL_RESERVATION`, `UNLOCK_CONNECTOR`, `SET_CHARGING_PROFILE`, `CLEAR_CHARGING_PROFILE`, `GET_COMPOSITE_SCHEDULE` ### Headers - `X-Request-Id` (string, optional, nullable) - `X-Correlation-Id` (string, optional, nullable) ### Body (application/json) This endpoint expects a SendOcpiCommandRequest. - `payload` (map from string to any, required) — OCPI command body exactly as the eMSP would send it. - `ocpi_version` (enum, optional, default: v221) - Allowed values: `v211`, `v221`, `v230` - `country_code` (string, optional, nullable) — CPO country code; with ``party_id`` it picks one CPO party. - `party_id` (string, optional, nullable) — CPO party id (3 characters). ## Response ### 200 Successful Response - `result` (enum, required) - Allowed values: `ACCEPTED`, `REJECTED`, `NOT_SUPPORTED`, `UNKNOWN_SESSION` - `timeout` (integer, required) - `message` (list of ProxyOcpiDisplayTextInput, optional, nullable) - `tracking_id` (string, optional, nullable) ## Errors ### 400 Bad Request Error Rejected by the gateway (business rule) - `detail` (string, required) — Human-readable error message returned by the API. ### 401 Unauthorized Error Missing or invalid Bearer token - `detail` (string, required) — Human-readable error message returned by the API. ### 404 Not Found Error Not found for this organization - `detail` (string, required) — Human-readable error message returned by the API. ### 422 Unprocessable Entity Error Validation Error - `detail` (list of ValidationError, optional) — One entry per invalid field. ### 429 Too Many Requests Error Gateway rate limit reached; retry after the given seconds - `detail` (string, required) — Human-readable error message returned by the API. ### 502 Bad Gateway Error Gateway unreachable, failing, or misconfigured - `detail` (string, required) — Human-readable error message returned by the API. ### 504 Gateway Timeout Error Gateway timed out - `detail` (string, required) — Human-readable error message returned by the API. ## Types ### ProxyOcpiDisplayTextInput - `text` (string, required) - `language` (string, optional, default: en) ### ValidationError Why one field is invalid. - `loc` (list of ValidationErrorLocItems, required) — Where the field is: ``body`` / ``query`` / ``path`` / ``header``, then its name. - `msg` (string, required) — What is wrong, in English. - `type` (string, required) — Machine-readable error code, e.g. ``missing``. - `input` (any, optional) — The value that was sent. - `ctx` (ValidationErrorCtx, optional) — Details of the rule that failed, e.g. `{"le": 200}`. ### ValidationErrorLocItems ### ValidationErrorCtx Details of the rule that failed, e.g. `{"le": 200}`. ## Examples **Request** ```json { "payload": { "response_url": "https://emsp.example.com/ocpi/commands/START_SESSION/1", "token": { "uid": "04A2B3C4D5E6F7", "type": "RFID", "contract_id": "NL-EMS-C12345678-X" }, "location_id": "LOC-AMS-1", "evse_uid": "EVSE-AMS-1-1" }, "ocpi_version": "v221", "country_code": "NL", "party_id": "OCP" } ``` **Response** ```json { "result": "ACCEPTED", "timeout": 30, "tracking_id": "b1f6d7b0-4a52-4d7a-9a3e-2d3f1c9e8a11" } ``` **SDK Code** ```python import requests url = "https://api.ocpplab.io/proxy/ocpi/commands/START_SESSION" payload = { "payload": { "response_url": "https://emsp.example.com/ocpi/commands/START_SESSION/1", "token": { "uid": "04A2B3C4D5E6F7", "type": "RFID", "contract_id": "NL-EMS-C12345678-X" }, "location_id": "LOC-AMS-1", "evse_uid": "EVSE-AMS-1-1" }, "ocpi_version": "v221", "country_code": "NL", "party_id": "OCP" } headers = { "Authorization": "Bearer ", "Content-Type": "application/json" } response = requests.post(url, json=payload, headers=headers) print(response.json()) ``` ```javascript const url = 'https://api.ocpplab.io/proxy/ocpi/commands/START_SESSION'; const options = { method: 'POST', headers: {Authorization: 'Bearer ', 'Content-Type': 'application/json'}, body: '{"payload":{"response_url":"https://emsp.example.com/ocpi/commands/START_SESSION/1","token":{"uid":"04A2B3C4D5E6F7","type":"RFID","contract_id":"NL-EMS-C12345678-X"},"location_id":"LOC-AMS-1","evse_uid":"EVSE-AMS-1-1"},"ocpi_version":"v221","country_code":"NL","party_id":"OCP"}' }; 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://api.ocpplab.io/proxy/ocpi/commands/START_SESSION" payload := strings.NewReader("{\n \"payload\": {\n \"response_url\": \"https://emsp.example.com/ocpi/commands/START_SESSION/1\",\n \"token\": {\n \"uid\": \"04A2B3C4D5E6F7\",\n \"type\": \"RFID\",\n \"contract_id\": \"NL-EMS-C12345678-X\"\n },\n \"location_id\": \"LOC-AMS-1\",\n \"evse_uid\": \"EVSE-AMS-1-1\"\n },\n \"ocpi_version\": \"v221\",\n \"country_code\": \"NL\",\n \"party_id\": \"OCP\"\n}") req, _ := http.NewRequest("POST", url, payload) req.Header.Add("Authorization", "Bearer ") 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://api.ocpplab.io/proxy/ocpi/commands/START_SESSION") http = Net::HTTP.new(url.host, url.port) http.use_ssl = true request = Net::HTTP::Post.new(url) request["Authorization"] = 'Bearer ' request["Content-Type"] = 'application/json' request.body = "{\n \"payload\": {\n \"response_url\": \"https://emsp.example.com/ocpi/commands/START_SESSION/1\",\n \"token\": {\n \"uid\": \"04A2B3C4D5E6F7\",\n \"type\": \"RFID\",\n \"contract_id\": \"NL-EMS-C12345678-X\"\n },\n \"location_id\": \"LOC-AMS-1\",\n \"evse_uid\": \"EVSE-AMS-1-1\"\n },\n \"ocpi_version\": \"v221\",\n \"country_code\": \"NL\",\n \"party_id\": \"OCP\"\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.ocpplab.io/proxy/ocpi/commands/START_SESSION") .header("Authorization", "Bearer ") .header("Content-Type", "application/json") .body("{\n \"payload\": {\n \"response_url\": \"https://emsp.example.com/ocpi/commands/START_SESSION/1\",\n \"token\": {\n \"uid\": \"04A2B3C4D5E6F7\",\n \"type\": \"RFID\",\n \"contract_id\": \"NL-EMS-C12345678-X\"\n },\n \"location_id\": \"LOC-AMS-1\",\n \"evse_uid\": \"EVSE-AMS-1-1\"\n },\n \"ocpi_version\": \"v221\",\n \"country_code\": \"NL\",\n \"party_id\": \"OCP\"\n}") .asString(); ``` ```php request('POST', 'https://api.ocpplab.io/proxy/ocpi/commands/START_SESSION', [ 'body' => '{ "payload": { "response_url": "https://emsp.example.com/ocpi/commands/START_SESSION/1", "token": { "uid": "04A2B3C4D5E6F7", "type": "RFID", "contract_id": "NL-EMS-C12345678-X" }, "location_id": "LOC-AMS-1", "evse_uid": "EVSE-AMS-1-1" }, "ocpi_version": "v221", "country_code": "NL", "party_id": "OCP" }', 'headers' => [ 'Authorization' => 'Bearer ', 'Content-Type' => 'application/json', ], ]); echo $response->getBody(); ``` ```csharp using RestSharp; var client = new RestClient("https://api.ocpplab.io/proxy/ocpi/commands/START_SESSION"); var request = new RestRequest(Method.POST); request.AddHeader("Authorization", "Bearer "); request.AddHeader("Content-Type", "application/json"); request.AddParameter("application/json", "{\n \"payload\": {\n \"response_url\": \"https://emsp.example.com/ocpi/commands/START_SESSION/1\",\n \"token\": {\n \"uid\": \"04A2B3C4D5E6F7\",\n \"type\": \"RFID\",\n \"contract_id\": \"NL-EMS-C12345678-X\"\n },\n \"location_id\": \"LOC-AMS-1\",\n \"evse_uid\": \"EVSE-AMS-1-1\"\n },\n \"ocpi_version\": \"v221\",\n \"country_code\": \"NL\",\n \"party_id\": \"OCP\"\n}", ParameterType.RequestBody); IRestResponse response = client.Execute(request); ``` ```swift import Foundation let headers = [ "Authorization": "Bearer ", "Content-Type": "application/json" ] let parameters = [ "payload": [ "response_url": "https://emsp.example.com/ocpi/commands/START_SESSION/1", "token": [ "uid": "04A2B3C4D5E6F7", "type": "RFID", "contract_id": "NL-EMS-C12345678-X" ], "location_id": "LOC-AMS-1", "evse_uid": "EVSE-AMS-1-1" ], "ocpi_version": "v221", "country_code": "NL", "party_id": "OCP" ] as [String : Any] let postData = JSONSerialization.data(withJSONObject: parameters, options: []) let request = NSMutableURLRequest(url: NSURL(string: "https://api.ocpplab.io/proxy/ocpi/commands/START_SESSION")! 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() ```