HERE: 403 These credentials do not authorize access - here-api

I'm trying to call https://tourplanning.hereapi.com/v2/problems API end-point. For this reason I'm obtaining Oauth2 token as it was described in this guide. I'm able to obtain a token, however, when using with the end-point above I'm getting 403: {"error":"Forbidden","error_description":"These credentials do not authorize access"}
Does anyone have an idea how to overcome it?

The following features are excluded or limited. Please contact us if you are interested in one or more of these:
Electronic Horizon in the HERE SDK (Premium Edition)
Geovisualization REST API (Geovisualization via JavaScript is
included)
Tracking REST API. For a free trial go to https://tracking.here.com
and select "Try our app"
Matrix Routing requests above 15x100 size in many-to-many matrices
and 100x1 size in many-to-one matrices are excluded (they are
included with the Pro Plan)
- Tour Planning
Live Sense SDK Beta
Geocoding and Search API Bring Your Own Data (for this a subscription
to HERE Workspace is required)
For more information you can go through the following link for plan details.
https://developer.here.com/plan-features

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Firebase browser key API restrictions

When creating a new project Firebase generates browser API keys automatically in the GCP API credentials. This is the same API key that is set in the Firebase Web client SDKs and is publicly available.
By default the key has no restrictions, so it's prone to quota stealing for every API enabled for that project. Surprisingly I have not found information about securing this key in the Firebase documentation.
So I took two extra steps to secure the key:
Added HTTP referrer restriction to allow requests from my domain only.
Added Identity Toolkit API to the list of allowed APIs. Experimentally I've figured out that it's enough for Firebase Auth and Firestore to work.
Added Token Service API. This is needed for refresh tokens to work and keep the authentication.
My question is mostly related to points #2-3. What are the APIs that needs to be enabled for various components of Firebase to work on the web?
I also enabled those same two APIs, but I used the Metrics Explorer to see what the various Firebase-created keys had been using based on actual traffic.
In GCP,
Go to Monitoring -> Metrics Explorer
Click 6W in the time range above the graph
Resource Type, start typing consumed_api and select it
Metric, choose Request Count
Group By, type credential_id, select it, then type service, and select it
Aggregator, select sum
By now, the legend for the graph should list all the credential ids and which services they used in the last 6 weeks. You should be able to figure out the APIs from the service.
You can use Filter to filter by credential_id if the results are too noisy.
By default the key has no restrictions, so it's prone to quota
stealing for every API enabled for that project.
This is indeed possible and I am able to make e. g. Google Maps API call with the auto generated Firebase API key.
Such preconfigured behaviour was certainly unexpected and I am now experimenting with the restrictions as per the extra steps described in the original question.

Drive API OAuth2 with HTTPS Only

I have been studying the DriveAPI for a while now and can't seem to find a simple way to get it to work just for MY needs only...
I would like to use the DriveAPI only with just the REST API (HTTPS).
There are many things like token, clientid, apikey, secrets, etc.
All I need, is to search MY OWN GDrive files (FULLTEXT CONTAINS) and get a result from the API but I can't get it to work.
Please remember, this is for my own needs only and I would like to bypass the verification (login) window and get some kind of token, that lasts forever, so I can implement this in my own tool.
So, how can I authenticate and use the DriveAPI with just plain HTTPS?
My efforts so far:
I have already made a client ID and a client KEY for a sample project in the dashboard. I have also an Google Drive API KEY. From this point, I don't really know where and what to send.
As I mentioned in my comment, there is no "bypass" for the OAuth 2.0 authentication (that's why there is authentication enforced in the first place). Have you done any coding for this that you can share? For most REST API's OAuth 2.0 authentication is required. Your application must be able to request the token and use it to make the requests.
Google API's use Google Identity service to provide the tokens. In the following document there are many examples of how this implementation should be done in different programming languages:
https://developers.google.com/identity/protocols/OAuth2WebServer

Adding account linking to my Actions on Google app

I created a Actions on Google app with the Actions SDK. For this i used as said before the Actions SDK, firebase function for the fulfillment and firestore for storing data. All works fine.
Now i want to implement account linking to provide user specific information. I start to read the full documentation for account linking with the refers to integrate a Oauth 2.0 Server and soon. That is my first time i working with account linking and Oauth servers and now i'm totally confused. I don't understand where my auth server have to sit, how to setup it and what parameters it have to process. After reading more and searching for results i found that firebase provide Account authentication. Is it right that this firebase product is similar a Oauth server?
My next big problem is how to enabling account linking in my Actions app. In the Actions on Google documentation i found a topic how to expand the Action Package for account linking. My problem is to unterstand which information the probiertes need.
So summary, if the firebase authentication is really a Oauth server what i need to do that my app and firebase authentication works together.
Maybe everyone knows a good website for understanding the process of account linking and how it can be implemented.
UPDATE 1:
After getting the first answer for my question i started studying more about account linking and the authentication process.
After this i created following roadmap:
Create an website with a google account sing-in form and host it with firebase hosting
Set up the Oauth2 server
Interact with the linked account. Save account informations in my firestore database
So i started with step one. In the firebase authentication documentation i find a example for a google login form. After modifying and hosting the example i try it. It works fine. After sing in by using the hosted website, my google account linked with my project. I checked this in my google account settings. Also the example response with a lots of data like the profile name, email address and so on. So my question at this point is. Why do i have to set up a OAuth server now? After sign in with the example form i linked my account to my project successful. And so i can start saving the received data in my firebase database and act with them in my Actions app.
UPDATE 2:
Okay . Maybey i have a general problem of understanding the right use of account linking. I try to identify the user who use my action to offer special content when he comes back next time. Or maybe create a question with his name from his google account inside the question. So in my understanding i have to link the users google account with my action and save the account information in a database to identify the use next time. So is account linking for this task the right way?
No, Firebase Authentication is not an OAuth2 server.
Firebase Authentication provides a way for you to manage user accounts for your Firebase-based web or mobile app. With the Auth UI it gives a way for users to log into that account using a variety of means (including their Google account, Facebook account, or phone number). It does not, however, provide components that an OAuth2 server provides.
Most notably, it does not provide any way for a user to log in through another client (like the Google Assistant) to gain authorization for that client. You cannot, with Firebase Authentication, issue a token to the Assistant, nor accept a token from the Assistant and verify if this is a user inside Firebase Authentication.
You need to build these components yourself. Google describes the minimum tasks that it needs to do as part of this authentication. You can use Firebase Authentication as part of this as you build such a server (for example, it is a great way to have people log in to their account and for you to verify that account), and it is reasonable to use a Firebase Database to store user tokens if you go that route, Firebase Functions might be a useful place to implement the token exchange point, and Firebase Hosting would be good to host the login page itself - but you'd need to write code that "puts it all together".
Your auth server can sit anywhere. As I said - you can do it through Firebase Functions, but you don't have it. It just needs to be able to provide some responses through web URLs at HTTPS endpoints.
Once you have done this, you need to configure the endpoints on the actions console and implement a request for account linking in your code or in the action package.
Response to Update 1
After sing in by using the hosted website, my google account linked with my project. I checked this in my google account settings.
From an OAuth perspective - no, the Google Account is not "linked" to your project.
Google has issued a token to you (that is to say, the service that you've written) that gives your service access to certain resources. Those resources include information about a particular user.
This may sound like I'm splitting semantics, but it isn't. It is fundamental to what OAuth is offering and what it means when you get an issue a token. You currently have authorization to do certain things.
Why do i have to set up a OAuth server now? After sign in with the example form i linked my account to my project successful. And so i can start saving the received data in my firebase database and act with them in my Actions app.
You haven't linked your account. You have permission to do certain things.
Furthermore, aside from "that's how they do it", you need to setup an OAuth server because you now need to do the same thing for Google - give them permission to do specific things on your server (like use it). Normally this would be involved with "logging in".
Account Linking is really a fancy term for "logging in". You need a way for users to be able to log into your server. You have an access token, but that is roughly the equivalent of having logged into Google's server.
So why do so many websites, for example, have things like "Log In using Google" or "Log In using Facebook"? Because those sites are willing to trust that if their servers can get permitted to certain information at Google or Facebook, then they can trust you. And you might be willing to accept that when they login to your site (either through the web or through Actions), but the Assistant can't assume that. They need to make sure users actually log into your site - that user's deliberately want to do so and that you deliberately want to let them in.

Linkedin new developer program Companies API impact

In my application , I use the following APIs of the companies API,
https://api.linkedin.com/v1/companies/id={id}
and
https://api.linkedin.com/v1/companies/{id}/updates?event-type=status-update
With the new API program, do I need to change my existing application ? I find the description on the linkedin developer website regarding the same as not comprehensive enough. If I need to continue with the app, do I really need to get into a partnership program with linkedin or can I continue like I do currently.
We recently contacted the LinkedIn Support regarding the changes.
So first endpoint will be available to you without getting into PartnerShip program. The following endpoints are the only ones that will remain available for use:
Profile API — /v1/people/~
Share API — /v1/people/~/shares
Companies API — /v1/companies/{id}
The second Endpoint will require Partner Ship program with LinkedIn you can apply here
But it will not involve code changes because they will give privileged access to your App. At the time of applying for partnership program they will ask for LINKEDIN_APP_KEY and LINKEDIN_APP_SECRET. They will provide access to these KEY and SECRET.

APIGee cannot retrieve application keys for account

I use APIGee for both API Proxy and Documentation, using a customized documentation site.
Following the recent APIGee outage this weekend, when I access my registered application list using my personal login on the documentation portal, I can no longer retrieve my application keys.
I get the error
STATUS: 404 - Not Found; Communication with the Apigee endpoint is
compromised. Cannot get API Products List.
The strange thing is that if I use my admin login at accounts.apigee.com, I can see 2 of my 3 applications listed... but one has disappeared. And more worryingly, this portal provides different application keys to the ones that were initially provided though the documentation portal.
I haven't been able to find any good documentation on this. How are these two sites linked together? Why are the keys different on both sites? What has caused my data to go missing?!
Tadhg -
This sounds like an issue that needs investigation by Apigee Global Support.
Would you please create an Apigee Support case? Please provide any applicable details, including your Organization name, the API call(s) you are making, the 3 applications you expect to see, and any other details you think might be helpful to diagnose.
Thanks!

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