GMAIL_ACCESS_TOKEN_UNAVAILABLE
503upstreamNo usable Gmail access token for this connection.
Cause
The vaulted credential could not be read, or holds no access token, so the mailbox cannot be reached.
How to fix it
Retry with backoff; if it persists, reconnect the Gmail account.
Example response
503 GMAIL_ACCESS_TOKEN_UNAVAILABLE
JSON
{
"error_code": "GMAIL_ACCESS_TOKEN_UNAVAILABLE",
"error_type": "upstream",
"error_message": "No usable Gmail access token for this connection.",
"hint": "Retry with backoff; if it persists, reconnect the Gmail account.",
"docs_url": "https://docs.billerapi.com/errors/GMAIL_ACCESS_TOKEN_UNAVAILABLE",
"request_id": "d94f5e2a-8c3b-4f1e-9a7d-6b2c1e0f8a34"
}Related
- Error handling — the error envelope shape and how to parse it
- Error code reference — every stable error code
Canonical docs URL: https://docs.billerapi.com/errors/GMAIL_ACCESS_TOKEN_UNAVAILABLE
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