| Add Member To List | Add member(s) to a Klaviyo list by profile IDs |
| Create Campaign | Create a Klaviyo campaign with defined inputs (email|sms|mobile_push) |
| Create Custom Metric | Create a Klaviyo custom metric (typed definition with required metric_id) |
| Create List | Create a new Klaviyo list in the connected account |
| Create Profile | Create a Klaviyo profile |
| Create Segment | Create a Klaviyo segment with a structured definition |
| Create Tag | Create a tag |
| Create Tag Group | Create a tag group |
| Delete Campaign | Delete a Klaviyo campaign by id |
| Delete Custom Metric | Delete a Klaviyo custom metric by id |
| Delete Segment | Delete a Klaviyo segment by id |
| Delete Tag | Delete a tag by id |
| Get Account | Get a Klaviyo account by id |
| Get Accounts | Retrieve the account(s) associated with the connected private API key |
| Get Campaign | Get a Klaviyo campaign by id |
| Get Campaign Message | Get a single Klaviyo campaign message by id |
| Get Campaign Messages | List messages for a Klaviyo campaign (with pagination) |
| Get Campaign Send Job | Get a Klaviyo campaign send job by id |
| Get Campaigns | List campaigns filtered by channel (email|sms|mobile_push) |
| Get Custom Metric | Get a Klaviyo custom metric by id |
| Get Custom Metrics | List Klaviyo custom metrics (paginated) |
| Get List | Get a Klaviyo list by id |
| Get Lists | List Klaviyo lists for the connected account |
| Get Lists For Profile | List lists a profile belongs to (paginated) |
| Get Metric | Get a Klaviyo metric by id |
| Get Metrics | List Klaviyo metrics with optional integration filters |
| Get Metrics For Custom Metric | List metrics for a given custom metric (paginated) |
| Get Profile | Get a Klaviyo profile by id |
| Get Profiles | List Klaviyo profiles (filters, sorts, additional-fields, pagination) |
| Get Profiles For List | List profiles for a Klaviyo list (paginated) |
| Get Profiles For Segment | List profiles for a Klaviyo segment (filters, sort, pagination) |
| Get Review | Get a Klaviyo review by id |
| Get Reviews | List Klaviyo reviews (paginated) |
| Get Segment | Get a Klaviyo segment by id |
| Get Segments | List Klaviyo segments (filters and pagination) |
| Get Tag | Get a single tag by id |
| Get Tag Group | Get a single tag group by id |
| Get Tag Groups | List tag groups (paginated) |
| Get Tags | List tags (filters, sort, pagination) |
| Send Campaign | Send a Klaviyo campaign (creates campaign send job) |
| Tag Campaigns | Associate a tag with one or more campaigns. Requires valid campaign IDs |
| Tag Lists | Associate a tag with one or more lists. Requires valid list IDs |
| Tag Segments | Associate a tag with one or more segments. Requires valid segment IDs |
| Update Campaign | Update a Klaviyo campaign by id |
| Update Campaign Message | Update a Klaviyo campaign message by id (email|sms|mobile_push) |
| Update Custom Metric | Update a Klaviyo custom metric by id |
| Update List | Update a Klaviyo list by id |
| Update Profile | Update a Klaviyo profile by id |
| Update Review | Update a Klaviyo review status by id (supports rejection details) |
| Update Segment | Update a Klaviyo segment by id |
| Update Tag | Update a tag by id (name only) |
