# GCP Auth Method using Vault

**URL:** <https://discuss.hashicorp.com/t/gcp-auth-method-using-vault/21921>\
**Category:** Vault\
**Created:** [March 11, 2021, 4:03am UTC](https://discuss.hashicorp.com/t/gcp-auth-method-using-vault/21921 "2021-03-11T04:03:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![arunkumarjca](https://sea2.discourse-cdn.com/hashicorp/user_avatar/discuss.hashicorp.com/arunkumarjca/32/16214_2.png) [@arunkumarjca](https://discuss.hashicorp.com/u/arunkumarjca)\
**Post date:** [March 11, 2021, 4:03am UTC](https://discuss.hashicorp.com/t/gcp-auth-method-using-vault/21921/1 "2021-03-11T04:03:43Z")

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Hi Team,

We are planning to use the Vault GCP IAM auth method .I curious to know what token to return from vault to client to authenticate google apis .is oauth token or jwt ?

Thanks,  
Arun