Tomo Suzuki

@suztomo ·Jersey City, NJ, USA ·twitter.com/suztomo

Java work. Flutter hobby.

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Google APIs Client Library for Go Getting Started and using: For a longer tutorial, see the Getting Started guide. For examples, see the examples directory. For support, use the golang-nuts…

Google APIs Client Library for Go

Getting Started

shell
$ go get google.golang.org/api/tasks/v1
$ go get google.golang.org/api/moderator/v1
$ go get google.golang.org/api/urlshortener/v1
... etc ...

and using:

go
package main

import (
        &quot;context&quot;
        &quot;net/http&quot;

        &quot;google.golang.org/api/urlshortener/v1&quot;
)

func main() {
        ctx := context.Background()
        svc, err := urlshortener.NewService(ctx)
        // ...
}

For a longer tutorial, see the Getting Started guide.
For examples, see the examples directory.
For support, use the golang-nuts mailing list.

Status

![Go Reference](https://pkg.go.dev/google.golang.org/api)

These are auto-generated Go libraries from the Google Discovery Service's JSON description files.

Due to the auto-generated nature of this collection of libraries they may contain breaking changes from one release to
the next. The generator itself and the code it produces are considered beta for this reason.

These client libraries are officially supported by Google. However, the libraries are considered complete and are in
maintenance mode. This means that we will address critical bugs and security issues but will not add any new features.

If you're working with Google Cloud Platform APIs such as Datastore or Pub/Sub, please use the
Cloud Client Libraries for Go instead. These are the new and idiomatic
Go libraries targeted specifically at Google Cloud Platform Services.

Authorization

By default, each API will use Google Application Default Credentials
for authorization credentials used in calling the API endpoints. This will allow your application to run in many
environments without requiring explicit configuration.

go
// import &quot;google.golang.org/api/sheets/v4&quot;
client, err := sheets.NewService(ctx)

To authorize using a JSON key file, pass
option.WithAuthCredentialsFile to the NewService
function of the desired package. You must also specify the credential type. For example, to use a service account key file:

go
client, err := sheets.NewService(ctx, option.WithAuthCredentialsFile(option.ServiceAccount, &quot;path/to/keyfile.json&quot;))

Similarly, you can use JSON credentials directly with option.WithAuthCredentialsJSON:

go
// where jsonKey is a []byte containing the JSON key
client, err := sheets.NewService(ctx, option.WithAuthCredentialsJSON(option.ServiceAccount, jsonKey))

The older option.WithCredentialsFile and option.WithCredentialsJSON functions are deprecated due to a potential security risk.

You can exert more control over authorization by using the golang.org/x/oauth2
package to create an oauth2.TokenSource. Then pass option.WithTokenSource
to the NewService function:

go
tokenSource := ...
svc, err := sheets.NewService(ctx, option.WithTokenSource(tokenSource))

More information

For some more information related to all of the generated clients please read through our
package documentation.

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