Klaviyo troubleshooting & FAQ
Fixes for the messages you may see when connecting or calling a Klaviyo segment, plus the questions we get most.
Troubleshooting
“Authorization was declined. Please authorize access by clicking ‘Allow’ to enable integration.”+
You clicked Deny on Klaviyo’s consent screen. Start the connection again and click “Allow”.
“That Klaviyo authorization session expired. Start the connection again to continue.”+
The consent screen was open for more than 5 minutes. Start the connection again and finish it promptly.
“Could not connect Klaviyo. Please try again.”+
Retry the connection. If it keeps failing, email support@loopvoice.ai with your workspace name and the time it happened.
The card says “Reconnect to target segments”+
The workspace connected before 21 August 2026, when Loop was granted only accounts:read and segments:read. Click “Reconnect Klaviyo” and authorize again — nothing is lost.
A new segment isn’t in the dropdown+
The segment list is cached for 5 minutes. Press “Refresh”. Also confirm the connected Klaviyo account (its name is on the Team page) is the account that holds the segment.
Estimated reach is far higher than the number of calls+
Only members with a valid phone number are dialled, Do Not Contact numbers are skipped when that exclusion is on, and duplicate numbers are called once.
“Segment size unavailable — the campaign will still call everyone in it who has a phone number.”+
Klaviyo rate-limited or delayed the count. The campaign still runs normally.
Klaviyo shows as not connected although you never disconnected+
Either the grant was revoked in Klaviyo, or the refresh token expired after 90 days without use. Reconnect from Team → Klaviyo.
“Only a workspace admin can connect Klaviyo”+
Ask an admin on your team to run the install.
FAQ
Does Loop send anything to Klaviyo?+
No. The integration is read-only. Loop never creates or changes profiles, events or metrics, lists, segments, flows, or consent settings.
Does Loop store my whole segment?+
No. Membership is read live from Klaviyo in pages while the campaign runs. Only the contacts actually called are stored, on their call logs.
Can I connect more than one Klaviyo account to a workspace?+
No — one Klaviyo account per Loop workspace.
Can the same Klaviyo account be used by two workspaces?+
Yes. Each workspace authorizes separately.
Do I need a Klaviyo API key?+
No. The integration uses OAuth only.
Which Klaviyo plan is required?+
TODO To be confirmed.
Does it work with Shopify and WooCommerce?+
Yes. The integration is independent of your store platform.
What about consent?+
Loop does not read or change Klaviyo consent flags. You are responsible for calling only customers you may call — enforce it with Klaviyo segment conditions.
How do I remove Loop completely?+
Disconnect on Team → Klaviyo, or remove Loop in Klaviyo → Integrations. Both revoke access and delete the stored tokens.
Where do I get help?+
Email support@loopvoice.ai.