Verifique se você está usando a api_secret para o fluxo correto. Se você configurar o Measurement Protocol em vários fluxos, cada um terá a própria chave secreta.
Para ajudar a evitar spam, você pode revogar as api_secrets. Verifique se a api_secret que está sendo usada ainda é válida. É possível que outro usuário com acesso ao seu fluxo tenha revogado o acesso por engano.
api_secret diferencia maiúsculas de minúsculas. Verifique se a api_secret na IU do Google Analytics é exatamente igual à que você usa no código.
Não use o advertising_id.
advertising_id não é compatível como um identificador de dispositivo válido. Utilize app_instance_id se estiver usando o Firebase e client_id se estiver usando a gtag.js.
IDs inválidos
Como o Measurement Procotol é compatível com IDs da gtag.js e do SDK do Google Analytics para Firebase, use o ID correto. Os IDs que você precisa usar mudam no SDK do Google Analytics para Firebase e na gtag.js. Veja a seguir quais IDs precisam ser usados:
SDK do Google Analytics para Firebase
Se você usa o SDK do Google Analytics para Firebase, os IDs que precisa usar são:
firebase_app_id: inclua esse ID nos parâmetros de consulta da solicitação. Ele identifica o app do Firebase de maneira exclusiva. Todos os usuários do app terão o mesmo parâmetro firebase_app_id. Encontrado no Console do Firebase em: Configurações do projeto > Geral > Seus aplicativos > ID do aplicativo
app_instance_id: inclua esse ID no corpo POST da solicitação. Ele identifica exclusivamente uma determinada instalação de um app do Firebase. Esse valor será diferente em cada instalação do app. Veja a seguir os métodos para solicitar o valor nas plataformas do Firebase:
firebase_instance_id: esse ID não deve ser incluído na sua solicitação.
Ele é usado para identificar uma determinada instância do app, mas é específico do Firebase, sendo utilizado em tarefas como mensagens do FCM.
gtag.js
Se você usa a gtag.js, os IDs precisam ser os seguintes:
measurement_id: inclua esse ID nos parâmetros de consulta da solicitação. Ele identifica exclusivamente um fluxo de dados. Todos os usuários do site terão o mesmo parâmetro measurement_id. Encontrado na IU do Google Analytics em: Administrador > Fluxos de dados > escolha seu fluxo > ID de métricas
client_id: inclua esse ID no corpo POST da solicitação. Ele identifica de forma exclusiva uma determinada instância de usuário de um cliente da Web. Esse valor será diferente para cada usuário do app. Confira estes exemplos para saber como recuperar o valor.
[null,null,["Última atualização 2025-07-26 UTC."],[[["\u003cp\u003eThis guide helps troubleshoot common Google Analytics 4 Measurement Protocol implementation errors, focusing on missing events and invalid user/device IDs.\u003c/p\u003e\n"],["\u003cp\u003eIf events aren't appearing, ensure your \u003ccode\u003eapi_secret\u003c/code\u003e is correct, valid, accurately copied, and you're using the appropriate device identifier (\u003ccode\u003eapp_instance_id\u003c/code\u003e or \u003ccode\u003eclient_id\u003c/code\u003e, not \u003ccode\u003eadvertising_id\u003c/code\u003e).\u003c/p\u003e\n"],["\u003cp\u003eWhen using the Measurement Protocol, select the correct IDs based on whether you're implementing via Firebase or gtag.js, as outlined in the guide.\u003c/p\u003e\n"],["\u003cp\u003eFor Firebase, utilize \u003ccode\u003efirebase_app_id\u003c/code\u003e and \u003ccode\u003eapp_instance_id\u003c/code\u003e, avoiding \u003ccode\u003efirebase_instance_id\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eFor gtag.js, use \u003ccode\u003emeasurement_id\u003c/code\u003e and \u003ccode\u003eclient_id\u003c/code\u003e for proper event tracking.\u003c/p\u003e\n"]]],["To resolve event visibility issues in Google Analytics, verify the correct `api_secret` is used, valid, and copied accurately, and avoid using `advertising_id`. For Firebase, use `firebase_app_id` in query parameters and `app_instance_id` in the POST body; retrieve `app_instance_id` using the appropriate platform's method. For gtag.js, utilize `measurement_id` in query parameters and `client_id` in the POST body. Both `client_id` and `app_instance_id` should differ for each user.\n"],null,["# Troubleshooting\n\nThis guide outlines common troubleshooting steps to fix common implementation\nerrors.\n\nNo events\n---------\n\nIf your events aren't showing up in Google Analytics, there are a few common\nissues you should look for.\n\nFirst choose your client: \nFirebase gtag.js\n\n\u003cbr /\u003e\n\n- Are you using the correct [api_secret](/analytics/devguides/collection/protocol/ga4/reference#api_secret)?\n\n Check that you're using the `api_secret` for the right stream. If you set up\n the measurement protocol for multiple streams, each stream will have its own\n secret.\n- Is your [api_secret](/analytics/devguides/collection/protocol/ga4/reference#api_secret) still valid?\n\n In order to help combat spam, you're able to revoke `api_secret`s. Make sure\n that the `api_secret` you are using is still valid. It's possible that\n another user with access to your stream may have revoked access to it by\n mistake.\n- Is your [api_secret](/analytics/devguides/collection/protocol/ga4/reference#api_secret) copied correctly?\n\n `api_secret` is case-sensitive. Double check that the `api_secret` in the\n Google Analytics UI is *exactly* the same as the one you're using in your\n code.\n- Don't use `advertising_id`.\n\n `advertising_id` is not supported as a valid device identifier. Use\n `app_instance_id` if you're using Firebase and `client_id` if you're using\n gtag.js.\n\nInvalid IDs\n-----------\n\nSince the Measurement Procotol supports IDs from the Google Analytics for\nFirebase SDK and gtag.js, make sure you use the right ID. **The IDs you should\nuse changes depending on whether you are using the Google Analytics for Firebase\nSDK or gtag.js.** The following outlines which IDs you should be using:\n\n**Google Analytics for Firebase SDK**\n\nIf you're using the Google Analytics for Firebase SDK the IDs you *should* use\nare:\n\n- [`firebase_app_id`](/analytics/devguides/collection/protocol/ga4/reference?client_type=firebase#firebase_app_id) - Include this ID in the query parameters for the request. This ID uniquely identifies your Firebase App. All users of your app will have the same `firebase_app_id`. Found in the Firebase console under: \n **Project Settings** \\\u003e **General** \\\u003e **Your Apps** \\\u003e **App ID**\n- [`app_instance_id`](/analytics/devguides/collection/protocol/ga4/reference?client_type=firebase#app_instance_id) - Include this ID in the POST body for the request. This\n ID uniquely identifies a given installation of a Firebase App. This value\n will be different for every installation of your app. The methods to request\n this value for each Firebase platform are as follows:\n\n - [Android - getAppInstanceId()](https://firebase.google.com/docs/reference/android/com/google/firebase/analytics/FirebaseAnalytics#public-taskstring-getappinstanceid)\n - [Kotlin - getAppInstanceId()](https://firebase.google.com/docs/reference/kotlin/com/google/firebase/analytics/FirebaseAnalytics#getappinstanceid)\n - [Swift - appInstanceID()](https://firebase.google.com/docs/reference/swift/firebaseanalytics/api/reference/Classes/Analytics#appinstanceid)\n - [Objective-C - appInstanceID](https://firebase.google.com/docs/reference/ios/firebaseanalytics/api/reference/Classes/FIRAnalytics#+appinstanceid)\n - [C++ - GetAnalyticsInstanceId()](https://firebase.google.com/docs/reference/cpp/namespace/firebase/analytics#getanalyticsinstanceid)\n - [Unity - GetAnalyticsInstanceIdAsync()](https://firebase.google.com/docs/reference/unity/class/firebase/analytics/firebase-analytics#getanalyticsinstanceidasync)\n\nYou should *not* use the following:\n\n- `firebase_instance_id` - This ID *should not* be included in your request. This ID is used for identifiying a given instance of the app, but is Firebase specific. It's used for tasks such as FCM messages.\n\n**gtag.js**\n\nIf you're using gtag.js, the IDs you *should* use are:\n\n- [`measurement_id`](/analytics/devguides/collection/protocol/ga4/reference?client_type=gtag#measurement_id) - Include this ID in the query parameters for the request. This ID uniquely identifies a Data Stream. All users of your website will have the same `measurement_id`. Found in the Google Analytics UI under: \n **Admin** \\\u003e **Data Streams** \\\u003e **choose your stream** \\\u003e **Measurement ID**\n- [`client_id`](/analytics/devguides/collection/protocol/ga4/reference?client_type=gtag#client_id) - Include this ID in the POST body for the request. This ID uniquely identifies a given user instance of a web client. This value will be different for every user of your app. See [these examples](/gtagjs/reference/api#get) for how to retrieve this value.\n\nServer-side tagging events missing\n----------------------------------\n\nA [Server-side Tag Manager installation with a Measurement Protocol\nclient](/tag-platform/tag-manager/server-side/send-data#server-to-server_apps) lets you send events in the Measurement Protocol *format* to a\ncontainer. The container then sends those events to Google Analytics using the\nsame mechanism as all other SGTM events.\n| **Note:** It *doesn't* send those events to the Measurement Protocol endpoint, and therefore doesn't support all the features of the Measurement Protocol endpoint, such as deriving [geographic and device information](/analytics/devguides/collection/protocol/ga4#geo_device) from tagging events.\n\nIf you want all the features of the Measurement Protocol, send events directly to the\nMeasurement Protocol instead of your container."]]
