The google verification api is giving me a 503 error "An unexpected error occurred. Please try your request again." whenever I try to verify a domain using the TAG_MANAGER method.
This occurs when I try to use the API via the PHP client library and also when I use Google's API explorer. However, if I log in to Google Webmaster Tools and add the site, using Tag Manager as the verification method, I am able to successfully verify myself.
I've attached debugging information from the API explorer below, but it's very light on detail. My support request in the webmaster central forum has been met with deafening silence, but I'm not sure where else to ask.
Request
POST https://www.googleapis.com/siteVerification/v1/webResource?verificationMethod=TAG_MANAGER&key={YOUR_API_KEY}
Content-Type: application/json
Authorization: Bearer ya29.iAC-QBa-7nzvS2lpFFmfcej2Y0suhiWHgS8SivKN9jpYWffljsRV7rbL
X-JavaScript-User-Agent: Google APIs Explorer
{
"site": {
"identifier": "http://unit1-28leanyerdriveleanyer.com",
"type": "SITE"
},
"owners": [
"loboyle@raywhite.com"
]
}
Response
503 Service Unavailable
- Show headers -
{
"error": {
"errors": [
{
"domain": "global",
"reason": "backendError",
"message": "An unexpected error occurred. Please try your request again."
}
],
"code": 503,
"message": "An unexpected error occurred. Please try your request again."
}
}
I finally stumbled across the fix for this today. The problem was that the service account running the requests needs to have "View and Manage" permissions on the applicable Tag Manager account, not just on the container that is actually being used. Only view access is required to the actual container.
While this isn't exactly desirable (we have 20+ containers for different sites/applications within the one account), it does resolve the problem and allow the Tag Manager site verification to work as intended.
I'm not sure whether the documentation has been changed since I originally had this problem or whether I just missed it. The required permissions are unexpected and the response code is misleading (a 403 would make more sense).