Overview
This article catalogs the error messages you may encounter while running the iPaaS.com Klaviyo integration, organized by the data flow that produces them. Each entry lists a stable error code, the message the integration records, what the error means, and how to resolve it. You can search this page for the code shown in your error log (for example, KLVY-VALD-1001) to jump straight to the matching entry.
Errors raised by the integration are recorded in iPaaS.com and can be reviewed from the Dashboard, under Integration Monitoring, and in the Error Logs for the affected transfer.
Several resolutions refer to your Managed Integration Service Provider (MiSP) — the party that manages your integration on your behalf, including your mappings, connection settings and credentials, and reconciliation of records between iPaaS.com and Klaviyo. Where a resolution calls for a mapping or configuration change, your MiSP is the right first point of contact.
iPaaS.com categorizes errors by families. You can learn more about that categorization at Understanding iPaaS.com API Error Codes.
Supported Flows
Authorization and Connection
Add Klaviyo Profile FROM iPaaS.com
Update Klaviyo Profile FROM iPaaS.com
Add Klaviyo Profile TO iPaaS.com
Add Klaviyo Profile Address TO iPaaS.com
Add Klaviyo Placed Order Event FROM iPaaS.com
Add Klaviyo Ordered Product Event FROM iPaaS.com
Klaviyo API Response (all flows)
Error Collection
Authorization and Connection
These errors occur during the one-time Authorize step that connects iPaaS.com to a Klaviyo account, or when the integration attempts to refresh its stored access. They surface in the Error Logs at the time of connection rather than during a data transfer.
Authorization data missing
KLVY-AUTH-1001 - The authorization could not be completed because the data returned from Klaviyo was missing.
Description: The integration began the OAuth authorization with Klaviyo, but Klaviyo did not return the expected response data needed to continue.
Resolution: Start the Authorize step again from the integration's connection settings. If it repeatedly returns no data, confirm the Klaviyo account is active and reachable; your MiSP can verify the connection configuration.
Authorization code missing
KLVY-AUTH-1002 - The authorization could not be completed because the authorization code from Klaviyo was missing.
Description: Klaviyo returned a response, but it did not contain the temporary authorization code (or the matching verifier) that the integration exchanges for a permanent token.
Resolution: Retry the Authorize step. Do not reuse an old authorization link or a stale browser tab — the temporary code is single-use and short-lived. If the problem continues, your MiSP can review the connection configuration.
Client ID not configured
KLVY-AUTH-1003 - The authorization could not be completed because the Client ID is not configured for this Klaviyo integration version.
Description: The integration version is missing the Client ID value it needs to identify itself to Klaviyo during authorization.
Resolution: This value is configured at the integration-version level and is not editable by subscribers. Contact iPaaS.com Support at support@ipaas.com so the missing configuration can be applied.
Client Secret not configured
KLVY-AUTH-1004 - The authorization could not be completed because the Client Secret is not configured for this Klaviyo integration version.
Description: The integration version is missing the Client Secret value it needs to complete authorization with Klaviyo.
Resolution: This value is configured at the integration-version level and is not editable by subscribers. Contact iPaaS.com Support at support@ipaas.com so the missing configuration can be applied.
Redirect URL not configured
KLVY-AUTH-1005 - The authorization could not be completed because the Redirect URL is not configured for this Klaviyo integration version.
Description: The integration version is missing the Redirect URL value that Klaviyo requires to return the authorization to iPaaS.com.
Resolution: This value is configured at the integration-version level and is not editable by subscribers. Contact iPaaS.com Support at support@ipaas.com so the missing configuration can be applied.
Token exchange failed
KLVY-AUTH-1006 - The authorization could not be completed because the temporary code could not be exchanged for an access token.
Description: The integration received a temporary authorization code but Klaviyo did not return a permanent access token when it was exchanged.
Resolution: Retry the Authorize step. If it keeps failing, your MiSP should confirm the Klaviyo application's Client ID, Client Secret, and Redirect URL match the integration version. If the exchange still fails, contact iPaaS.com Support at support@ipaas.com.
Add Klaviyo Profile FROM iPaaS.com
Profile could not be created
KLVY-VALD-1001 - The Klaviyo profile could not be created because a required mapping field is missing or incomplete.
Description: The integration could not build a valid Klaviyo profile from the mapped data. Klaviyo requires an email address as the primary identifier, and one or more required fields were missing or empty.
Resolution: Review the Add Klaviyo Profile FROM iPaaS.com mapping and confirm the email address and any other required fields are mapped and populated on the source record, then re-transfer. Your MiSP manages the mappings.
Could not link to existing profile
KLVY-BIZL-1001 - The integration could not automatically link this record to an existing Klaviyo profile by email address. This may result in duplicate profile records.
Description: The integration attempts to match an incoming record to an existing Klaviyo profile by email address so records stay linked. This automatic match did not succeed, so a separate profile may have been created.
Resolution: This is a warning, not a failed transfer. Review Klaviyo for duplicate profiles sharing the same email address. Automatic linking matches on email exactly, so differences in email (including letter case) can prevent a match; your MiSP can reconcile any duplicates.
Update Klaviyo Profile FROM iPaaS.com
Profile could not be updated
KLVY-VALD-1002 - The Klaviyo profile could not be updated because a required mapping field is missing or incomplete.
Description: The integration could not build a valid update for the Klaviyo profile because one or more required mapped fields were missing or empty.
Resolution: Review the Update Klaviyo Profile FROM iPaaS.com mapping and confirm the required fields are mapped and populated on the source record, then re-transfer. Your MiSP manages the mappings.
Add Klaviyo Profile TO iPaaS.com
Could not link to existing customer
KLVY-BIZL-1002 - The integration could not automatically link this profile to an existing iPaaS.com Customer by email address. This may result in duplicate customer records.
Description: The integration attempts to match an incoming Klaviyo profile to an existing iPaaS.com Customer by email address. This automatic match did not succeed, so a separate customer record may have been created.
Resolution: This is a warning, not a failed transfer. Review iPaaS.com for duplicate customers sharing the same email address. Automatic linking matches on email exactly, so differences in email can prevent a match; your MiSP can reconcile any duplicates.
Add Klaviyo Profile Address TO iPaaS.com
Address value could not be read
KLVY-VALD-1003 - A mapped address or subscription value could not be read from the Klaviyo profile.
Description: A mapping for an address or subscription value referenced a position or property that is not present on this Klaviyo profile (for example, a list entry that does not exist, or a property name that does not match), so the value could not be read.
Resolution: Review the address or subscription mapping and confirm the referenced list position and property name match the structure of the Klaviyo profile being transferred. Your MiSP manages the mappings.
Add Klaviyo Placed Order Event FROM iPaaS.com
Order event could not be created
KLVY-VALD-1004 - The Klaviyo order event could not be created because a required mapping field is missing or incomplete.
Description: The integration could not build a valid Placed Order event from the mapped data. This event requires an event name, a profile identifier, and a unique order identifier, and one or more of these was missing or empty.
Resolution: Review the Add Klaviyo Placed Order Event FROM iPaaS.com mapping and confirm the event name, profile identifier, and unique order identifier are mapped and populated on the source order, then re-transfer. Your MiSP manages the mappings.
Customer required for order could not be created
KLVY-EXTN-1002 - The customer needed for this order could not be created, which prevented the order from transferring.
Description: Before transferring the order, the integration tried to create the associated customer profile in Klaviyo, and that customer could not be created — so the order was not transferred.
Resolution: Resolve the underlying profile-creation error first (see Profile could not be created,
KLVY-VALD-1001, and any Klaviyo API response error recorded for the customer), then re-transfer the order. Your MiSP manages the mappings.
Add Klaviyo Ordered Product Event FROM iPaaS.com
Product event could not be created
KLVY-VALD-1005 - The Klaviyo ordered product event could not be created because a required mapping field is missing or incomplete.
Description: The integration could not build a valid Ordered Product event from the mapped order line data because one or more required fields were missing or empty.
Resolution: Review the Add Klaviyo Ordered Product Event FROM iPaaS.com mapping and confirm the required order-line fields are mapped and populated on the source order, then re-transfer. Your MiSP manages the mappings.
Klaviyo API Response (all flows)
Klaviyo rejected or could not process the request
KLVY-EXTN-1001 - Klaviyo could not process the request. The message includes the HTTP status code and the detail returned by Klaviyo.
Description: The integration sent a request to Klaviyo and Klaviyo responded with an error. The recorded message includes the HTTP status code and the specific detail Klaviyo returned, which describes what Klaviyo rejected (for example, an invalid field or value, a permission problem, or a rate limit).
Resolution: Read the detail in the recorded message to see what Klaviyo reported. If it points to a field or value, correct it in the mapping or on the source record and re-transfer. If it indicates an authorization or permission problem, your MiSP should verify the Klaviyo connection and its access. If Klaviyo reports a temporary or rate-limit condition, re-transfer after a short wait. If failures persist without a clear cause in the detail, contact iPaaS.com Support at support@ipaas.com.