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April 11, 2018

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April 10, 2026

Eduardo Mereles, Full-Stack Developer at Kaizen Softworks

Eduardo Mereles

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How to Setup Firebase Push Notifications with a .NET Backend

Published on

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April 10, 2026

Last updated on

·

April 10, 2026

Time to read

·

12

Eduardo Mereles, Full-Stack Developer at Kaizen Softworks

Eduardo Mereles

Full-Stack Developer

At Kaizen Softworks, we are currently working on a site that uses Angular 2, .NET and Azure as main technologies.

In addition to this project, one of our partners was needing a mobile application that was going to use the same database as the web app. To facilitate communication between the backend and all of their applications, we needed a robust solution for sending notifications with concealed information to the mobile app.

After a thorough proof of concept, we decided to harness the capabilities of Firebase to bridge the gap between our backend and various applications.

What is Firebase?

Firebase serves as a Backend as a Service (BaaS) that simplifies the creation of a backend with minimal coding expertise. It offers seamless integration with various platforms, including iOS, Android, Unity, and C++.

Firebase's extensive range of services spans authentication, storage, real-time database, crash reports, and Firebase Cloud Messaging (FCM), which is instrumental for push notifications.

Advantages of Firebase Cloud Messaging (FCM)

FCM gives us many advantages, here is the list of the most important:

  1. Cost-Effective: FCM offers unlimited use for free, making it a budget-friendly choice.
  2. Multi-Platform Integration: It seamlessly integrates with multiple platforms, simplifying the development process.
  3. Well-Documented: Firebase provides comprehensive documentation, making it user-friendly.
  4. Swift Delivery: FCM ensures that 95% of all notifications experience a minimal delay of just 250ms from the time of dispatch to reception on the recipient's platform (courtesy of Google).
  5. Audience Targeting: You can tailor messages to specific devices, platforms, or user groups.
  6. Versatile Messaging: Messages can be dispatched via the Firebase Console or the Firebase API.

Here's the FCM flow:

Graphic of Firebase Cloud Messaging Flow

Setting up the Client-Side

Now that the Firebase introduction is finished, it’s coding and configuring time.

To begin, create a Firebase Console project using your Google account. Once in the Firebase dashboard, select 'Add project'. Specify your project's name and region, and then click on 'Create project'.

Ok, you’re done! You have your project created, so now you are able to use all Firebase functionalities!

You must register each platform you intend to configure Firebase for. In this tutorial, we'll focus on configuring an Android project.

During app registration, you'll need to fill in the package name according to your app's specifications. Firebase's initial project already contains the package name, typically set as 'com.google.firebase.quickstart.fcm'. You can find these projects in the documentation samples section.

Following app registration, you'll need to download and add the 'google-services.json' file to your project. If you haven't already received it from Firebase, they will provide it.

Additionally, don't forget to add FCM dependencies, as they are essential for Firebase to function seamlessly within your app.

Screenshot of Firebase Cloud Messaging Menu

Well done, your client side is ready, if you want more information about client side configuration you can get it on the documentation guide for Android or for iOS or other platforms you will find on the side panel of the Cloud Messaging documentation page.

Obtaining Device Tokens

For each app-installation, Firebase is going to create a token that identifies it, so in case of sending a notification to that specific app-installation, you will need that token.

To learn about getting this token, please read 'Access the device registration token' part on the setting up section of the platform you want to configure Firebase to.

Well done, your client side is ready, if you want more information about client side configuration you can get it on the documentation guide for Android or for iOS or other platforms you will find on the side panel of the Cloud Messaging documentation page.

Sending Our First Notification

We can send push notifications without a fully configured backend, using the Firebase console.

To do this, navigate to your Firebase project, select 'Notifications' in the side panel, and click 'Send your first message'. This will take you to this configuration panel:

Screenshot of Firebase Cloud Messaging

Here you'll need to provide the following details:

  • Message text: The main content of your notification.
  • Target: Define the devices you want to reach, selecting from options like "User segment," "Topic," or "Single device." Each target allows you to tailor your message effectively.

Once you've filled in these fields, click 'SEND MESSAGE'.

A pop-up will display, summarizing the key details of your notification. Click 'SEND', and your push notification is on its way!

Screenshot of Firebase-Cloud Messaging Notification

Configuring Your .NET Backend

For this example, we'll use a .NET backend – a console project designed specifically for a .NET Meetup in Uruguay.

To access the Firebase API, you'll need critical information from Firebase, including the API URL (https://fcm.googleapis.com/fcm/send) and a unique server key that authenticates your Firebase project for security purposes.

To obtain the server key:

  1. Access 'Project settings' as depicted in the image.
  2. Select the 'Cloud Messaging' tab.
  3. Find the server key in the 'Project credentials' section.
Screenshot of Firebase Cloud Messaging Project Settings

Time to Code the Backend

In addition to the API URL and server key, you'll require a method with specific parameters to communicate with the Firebase API. For this purpose, create a static class named "PushNotificationLogic.cs" containing the following method:

Push Notifications Logic Code Method

These parameters are:

  • deviceTokens: An array of strings, each string represents a FCM token provided by Firebase on each app-installation. This is going to be the list of app-installations that the notification is going to send.
  • title: It’s the bold section of a notification.
  • body: It represents 'Message text' field of the Firebase SDK, this is the message you want to send to the users.
  • data: These is a dynamic object, it can be whatever you want because this object is going to be used as additional information you want to send to the app, it’s like hidden information. For example an action you want to execute when the user presses on the notification or an id of some product.

For the method, I am going to suppose that all parameters are correct without bad values (you can add all the validations you want). The first thing we have to do is to create an object with all the data we need to send to the API, I created two classes for that:

public class Message
{
public string[] registration_ids { get; set; }
public Notification notification { get; set; }
public object data { get; set; }
}
public class Notification
{
public string title { get; set; }
public string text { get; set; }
}

Then, just create a new object of type 'Message' and serialize it as I did it here:

var messageInformation = new Message()
{
notification = new Notification()
{
title = title,
text = body
},
data = data,
registration_ids = deviceTokens
};
//Object to JSON STRUCTURE => using Newtonsoft.Json;
string jsonMessage = JsonConvert.SerializeObject(messageInformation);

Now we just need a request to Firebase API and we’re done.

The request has to be as a "Post" Method to the Firebase API-Url, we have to add a Header which is "Authorization" and use a value like: “key={YourServerKey}”.

Then we add the content (jsonMessage) and you are ready to hit the api.

Here it is the code you need to do the last part:

// Create request to Firebase API
var request = new HttpRequestMessage(HttpMethod.Post, FireBasePushNotificationsURL);
request.Headers.TryAddWithoutValidation(“Authorization”, “key=” + ServerKey);
request.Content = new StringContent(jsonMessage, Encoding.UTF8, “application/json”);
HttpResponseMessage result;
using (var client = new HttpClient())
{
result = await client.SendAsync(request);
}

Thank You For Reading!

At Kaizen Softworks, we are currently working on a site that uses Angular 2, .NET and Azure as main technologies.

In addition to this project, one of our partners was needing a mobile application that was going to use the same database as the web app. To facilitate communication between the backend and all of their applications, we needed a robust solution for sending notifications with concealed information to the mobile app.

After a thorough proof of concept, we decided to harness the capabilities of Firebase to bridge the gap between our backend and various applications.

What is Firebase?

Firebase serves as a Backend as a Service (BaaS) that simplifies the creation of a backend with minimal coding expertise. It offers seamless integration with various platforms, including iOS, Android, Unity, and C++.

Firebase's extensive range of services spans authentication, storage, real-time database, crash reports, and Firebase Cloud Messaging (FCM), which is instrumental for push notifications.

Advantages of Firebase Cloud Messaging (FCM)

FCM gives us many advantages, here is the list of the most important:

  1. Cost-Effective: FCM offers unlimited use for free, making it a budget-friendly choice.
  2. Multi-Platform Integration: It seamlessly integrates with multiple platforms, simplifying the development process.
  3. Well-Documented: Firebase provides comprehensive documentation, making it user-friendly.
  4. Swift Delivery: FCM ensures that 95% of all notifications experience a minimal delay of just 250ms from the time of dispatch to reception on the recipient's platform (courtesy of Google).
  5. Audience Targeting: You can tailor messages to specific devices, platforms, or user groups.
  6. Versatile Messaging: Messages can be dispatched via the Firebase Console or the Firebase API.

Here's the FCM flow:

Graphic of Firebase Cloud Messaging Flow

Setting up the Client-Side

Now that the Firebase introduction is finished, it’s coding and configuring time.

To begin, create a Firebase Console project using your Google account. Once in the Firebase dashboard, select 'Add project'. Specify your project's name and region, and then click on 'Create project'.

Ok, you’re done! You have your project created, so now you are able to use all Firebase functionalities!

You must register each platform you intend to configure Firebase for. In this tutorial, we'll focus on configuring an Android project.

During app registration, you'll need to fill in the package name according to your app's specifications. Firebase's initial project already contains the package name, typically set as 'com.google.firebase.quickstart.fcm'. You can find these projects in the documentation samples section.

Following app registration, you'll need to download and add the 'google-services.json' file to your project. If you haven't already received it from Firebase, they will provide it.

Additionally, don't forget to add FCM dependencies, as they are essential for Firebase to function seamlessly within your app.

Screenshot of Firebase Cloud Messaging Menu

Well done, your client side is ready, if you want more information about client side configuration you can get it on the documentation guide for Android or for iOS or other platforms you will find on the side panel of the Cloud Messaging documentation page.

Obtaining Device Tokens

For each app-installation, Firebase is going to create a token that identifies it, so in case of sending a notification to that specific app-installation, you will need that token.

To learn about getting this token, please read 'Access the device registration token' part on the setting up section of the platform you want to configure Firebase to.

Well done, your client side is ready, if you want more information about client side configuration you can get it on the documentation guide for Android or for iOS or other platforms you will find on the side panel of the Cloud Messaging documentation page.

Sending Our First Notification

We can send push notifications without a fully configured backend, using the Firebase console.

To do this, navigate to your Firebase project, select 'Notifications' in the side panel, and click 'Send your first message'. This will take you to this configuration panel:

Screenshot of Firebase Cloud Messaging

Here you'll need to provide the following details:

  • Message text: The main content of your notification.
  • Target: Define the devices you want to reach, selecting from options like "User segment," "Topic," or "Single device." Each target allows you to tailor your message effectively.

Once you've filled in these fields, click 'SEND MESSAGE'.

A pop-up will display, summarizing the key details of your notification. Click 'SEND', and your push notification is on its way!

Screenshot of Firebase-Cloud Messaging Notification

Configuring Your .NET Backend

For this example, we'll use a .NET backend – a console project designed specifically for a .NET Meetup in Uruguay.

To access the Firebase API, you'll need critical information from Firebase, including the API URL (https://fcm.googleapis.com/fcm/send) and a unique server key that authenticates your Firebase project for security purposes.

To obtain the server key:

  1. Access 'Project settings' as depicted in the image.
  2. Select the 'Cloud Messaging' tab.
  3. Find the server key in the 'Project credentials' section.
Screenshot of Firebase Cloud Messaging Project Settings

Time to Code the Backend

In addition to the API URL and server key, you'll require a method with specific parameters to communicate with the Firebase API. For this purpose, create a static class named "PushNotificationLogic.cs" containing the following method:

Push Notifications Logic Code Method

These parameters are:

  • deviceTokens: An array of strings, each string represents a FCM token provided by Firebase on each app-installation. This is going to be the list of app-installations that the notification is going to send.
  • title: It’s the bold section of a notification.
  • body: It represents 'Message text' field of the Firebase SDK, this is the message you want to send to the users.
  • data: These is a dynamic object, it can be whatever you want because this object is going to be used as additional information you want to send to the app, it’s like hidden information. For example an action you want to execute when the user presses on the notification or an id of some product.

For the method, I am going to suppose that all parameters are correct without bad values (you can add all the validations you want). The first thing we have to do is to create an object with all the data we need to send to the API, I created two classes for that:

public class Message
{
public string[] registration_ids { get; set; }
public Notification notification { get; set; }
public object data { get; set; }
}
public class Notification
{
public string title { get; set; }
public string text { get; set; }
}

Then, just create a new object of type 'Message' and serialize it as I did it here:

var messageInformation = new Message()
{
notification = new Notification()
{
title = title,
text = body
},
data = data,
registration_ids = deviceTokens
};
//Object to JSON STRUCTURE => using Newtonsoft.Json;
string jsonMessage = JsonConvert.SerializeObject(messageInformation);

Now we just need a request to Firebase API and we’re done.

The request has to be as a "Post" Method to the Firebase API-Url, we have to add a Header which is "Authorization" and use a value like: “key={YourServerKey}”.

Then we add the content (jsonMessage) and you are ready to hit the api.

Here it is the code you need to do the last part:

// Create request to Firebase API
var request = new HttpRequestMessage(HttpMethod.Post, FireBasePushNotificationsURL);
request.Headers.TryAddWithoutValidation(“Authorization”, “key=” + ServerKey);
request.Content = new StringContent(jsonMessage, Encoding.UTF8, “application/json”);
HttpResponseMessage result;
using (var client = new HttpClient())
{
result = await client.SendAsync(request);
}

Thank You For Reading!

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Aug 28, 2026

About Catalyst 26: Partnerships & Ecosystem Conference

Everything to know about Catalyst 26: dates, price, who attends, both keynote recaps, and when the next Catalyst event is.

12 read time

Read more

Catalyst 26 was Partnership Leaders' fifth annual conference for partnership, ecosystem, and go-to-market professionals. It took place August 25 and 26, 2026, at the Marriott Hotel at the Brooklyn Bridge in New York, with more than 1,000 attendees and 70-plus speakers from companies including Anthropic, OpenAI, Google, Microsoft, IBM, BCG, and Siemens.

Dates August 25–26, 2026
Location Marriott Hotel at the Brooklyn Bridge, Brooklyn, NY
Edition 5th annual
Attendees 1,000+ partnership, ecosystem, and GTM professionals
Speakers 70+, including people from Anthropic, OpenAI, Google, Microsoft, IBM, BCG, and Siemens.
Price $849 early bird, rising to $999, then $1,999

Who Catalyst events are for

Catalyst brought together people building and running partner programs across SaaS, AI, consulting, systems integration, agencies, and major cloud platforms.

Attendees included executives leading partnership organizations, and people working directly in alliances, partner sales, marketing, operations, strategy, and enablement.

What Catalyst 26 is like

You can look at the agenda before a conference and have a pretty good idea of what you'll find. Being there is different.

This year's theme was "Navigating Frontier Ecosystems". Anthropic's Head of Partnerships and one of OpenAI's partner program leads appeared on the same agenda as people from Oracle, Siemens, IBM, and BCG, companies that have run formal partner programs for two decades.

That mix was one of the most interesting parts of the conference. Newer AI companies were discussing partner tiers, co-selling, and joint delivery alongside companies where those models have been part of their business for years.

What Catalyst 26 covered

Catalyst 26 split its sessions into eight pillars:

  • Advancing Organizational Maturity: turning partnerships into something measured and repeatable instead of one founder doing favors for another.
  • Become a Strategic Partner: getting partnerships involved when product and business decisions are made, not told about them afterward.
  • Frontier Partner Experience: adapting partner programs as AI changes how companies build and integrate products.
  • Path to CPO: career sessions for people aiming to lead partnerships at the executive level.
  • Co-Build: two companies building something together.
  • Co-Market: two companies running a campaign together.
  • Co-Sell: two sales teams working the same deal.
  • Co-Serve: two companies delivering the same engagement to a client.

Catalyst 26 sessions

Day 1 Keynote

The Day 1 keynote brought together Partnership Leaders’ CEO Asher Mathew, Tribe AI’s Co-founder & CEO Jaclyn Rice Nelson, Anthropic’s Head of Partnerships Phil Samenuk, and Boomi’s Chairman & CEO Steve Lucas.

Their discussion focused on how companies are relying on partners to build, sell, and deliver products across AI, cloud, and enterprise software. A few points stood out:

  • More companies have dedicated partner teams now, which means a generic, one-size-fits-all partner program doesn't cut it anymore. Partners show up when the program fits how they work.
  • New AI products and cloud services are shipping so fast that a partner program can't just get set once and left alone. Incentives, support, and how you work together need regular updates.
  • Partnerships also came up as a way to access data a company couldn’t reach on its own, whether that meant getting access to it, combining it, or putting it to use.
  • AI doesn't change the basics of a good partnership. Account planning, clear ownership, and relationships built over time still matter most.

Day 2 Keynote

The Day 2 keynote featured Ramp’s Lead Economist Ara Kharazian, Eliza’s Founder Brian Benedict, Siemens’ EVP Global Partner Ecosystem Dion Smith, and Oracle’s SVP, Partner Sales & Operations Strategy Leah Yomtovian.

A few points stood out:

  • The spending data told a slower story than expected: AI adoption is mostly going toward productivity gains and task automation, not some overnight shift.
  • Siemens is in the middle of folding more than 68,000 partners and roughly 200 separate programs into a single global one, mainly to make it easier to coordinate across IT and operational technology.
  • Oracle's approach is a running "listening tour": every partner gets the same baseline benefits, then incentives and credits get layered based on the type of partner and how they work with Oracle.
  • There was also talk of a newer kind of service team: bring in engineers, turn AI requirements into working products, and reuse delivery methods that already work instead of starting from scratch each time.

Next Catalyst events

The date and location of Catalyst 27 hasn’t been announced yet. In the meantime, you can check out the half-day Catalyst Summits in different cities:

  • October 20, 2026 - Seattle
  • October 27, 2026 - Chicago
  • October 2026 - Los Angeles
  • December 2026 - Singapore

Check Partnership Leaders’ events page for updates.

·

Aug 26, 2026

Why adding people doesn't always fix a struggling team

Learn when a software team should hire, wait, reorganize, or build skills internally, and how to tell which option will actually help.

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Read more

When a client asks to hire someone new, a common reaction is to open a search. There's more work, more pressure, and new features to build. It seems like the obvious thing to do.

But in our experience working with software development teams, the problem often isn't a lack of people. The problem is knowledge concentrated in too few people, unclear team roles, slow onboarding, or temporary demand.

The question worth asking isn't who can fill the position, but what would help the team work better. That points to one of three answers: hire, don't hire, or build the capability from within. Figuring out which one applies, and why, is the real work before opening a search.

What you should ask before assuming you need someone new

Hiring works when three conditions are met: the need will last, no one on the team has the capacity to take it on, and the team can onboard someone well. That last condition is easy to overlook. A team can have a real, lasting gap and still not be ready to bring someone in if no one has the time to guide them.

The risk comes from jumping straight from "there's more work" to "we need someone" without checking what's causing the pressure. It's easy to turn a request into a list of requirements (X years of experience, a specific technology, advanced English) and start the search. The real cause is often something else: a project that grew too fast, a tech lead with no time to onboard new hires, processes that stopped scaling, or a team that lost key people and needs to recover knowledge before adding headcount.

That's why, before thinking about who could fill the role, we ask these questions:

  • What outcome is the client trying to achieve?
  • What's happening on that team today?
  • What specific problem is this hire meant to solve?
  • Does adding a person solve that problem?
  • Is there someone on the team who could take this on?
  • Are there other, less obvious alternatives?

When the answers confirm the need will last, the current team can't cover it, and the team has the capacity to onboard someone, hiring is the right call: opening the search fills a gap the team can't close internally.

Does the problem need someone new to fix it?

Not hiring is the right call when the problem behind the request is temporary, or when it will resolve before the new hire finishes onboarding. Recommending against a hire may sound unusual for a company that offers staff augmentation, but our job as a strategic partner is not to maximize every opportunity but to recommend the best decision for the client. Depending on what's actually going on, the fix can look like:

  • An internal rotation: moving someone with spare capacity into the gap.
  • Reorganizing responsibilities across the team instead of adding a seat.
  • Hiring a different profile than the one originally requested.
  • Combining two roles into one instead of opening two searches.
  • Waiting a few weeks, when the project context is about to change on its own.

Is a temporary increase in workload a good reason to hire?

This happened on a project with a long onboarding period. The initial request seemed clear: hire a mid-level developer. There was work and budget available. But when we spoke with the team, we found that the workload increased because one team member had been temporarily reassigned to another sub-team. Before moving forward, we considered what would happen when that person came back.

The client's system was complex: any new hire needed several months to understand the business, the architecture, and the platform before they could contribute independently.

The problem justifying the hire was going to disappear, but the new hire wouldn't. By the time that person had enough context, the need that started the search would no longer exist.

We recommended against moving forward, even though there was budget to add someone. The client avoided an unnecessary hire and months of onboarding for a problem that was already resolving itself. Sometimes the best answer is to wait a few weeks; other times, it's reorganizing the team or developing internal talent.

How can you build team capability without hiring?

Build capability internally when the team already has product context but lacks a specific skill. Developing that skill internally can be faster than waiting for someone new to reach the same level of context.

More people doesn't always mean more capacity. Onboarding a new hire takes time from the people already on the team: explaining the business and the architecture, reviewing their work, and building trust. That's why, during the first few weeks, a team can become less productive while it onboards someone new. Complex projects can include years of technical decisions and undocumented knowledge. New hires still need time to learn that context.

Should you hire a specialist or train someone on your team?

A client needed a senior SQL Server specialist. That niche skill set made the role difficult and expensive to fill. We started the search and interviewed candidates, but the deeper issue became clear quickly: the real challenge on the project wasn't SQL Server. It was understanding a product shaped by years of evolution, multiple applications, and complex business logic.

The right person to develop that expertise was already on the team. Instead of hiring someone with deep SQL Server expertise, the client supported that team member in building the SQL Server skills the project needed. That person had business knowledge, motivation, and a much shorter learning curve than an external hire would have had. An outside specialist provided targeted support when needed.

The team gained SQL Server expertise without losing months waiting for a new hire to learn the product first. The person who took on SQL Server gained a valuable new skill without stepping away from the other work they were doing on the project.

A team's capacity depends on how its people complement each other, what knowledge they share, and what autonomy they've developed, not just on headcount. A team of ten people who are aligned, with shared context and autonomy, can generate more value than a team of fifteen where much of the time goes into onboarding new hires.

Should you hire, wait, or develop the skill internally?

Scenario Signal What to do
Hire The need will last, no one on the team can cover it, and the team can onboard someone well Open the search for a clearly defined role
Don't hire The problem is temporary or resolves before onboarding finishes Wait, reorganize the team, or cover the gap another way
Build internal capability Missing specific expertise, not people; someone already has the business context Develop the skill internally, with targeted outside support if needed

What questions do we ask first?

  1. What specific problem are we trying to solve?
  2. Will the need still exist after the person has been hired and onboarded?
  3. Is there someone on the team who could cover it?
  4. Do we have the capacity to onboard someone well?
  5. Is the problem a lack of people, or is it caused by unclear roles, missing product knowledge, slow onboarding, or a temporary increase in workload?
  6. What impact will this hire have six months from now?
  7. If we couldn't hire today, what other option would we explore?
  8. What higher-priority work would someone on the team have to stop doing to cover this need?

Wait to open a search when the team can't define the problem, confirm the need will last, or support onboarding. Clarify those points first.

If you're weighing this decision with your own team, let's talk about whether to hire, reorganize, or develop someone already on the team.

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