Klaviyo

Klaviyo Lists API

lists

GitHub OpenAPI
Business capability
Customer Segmentation Management BC-420.20

Operations 13

Each operation below carries the questions people ask an LLM about it and the instructions they give an agent to run it. Generated by API Evangelist overlay

GET /api/lists List subscriber lists · Get Lists #
Ask an LLM
“What subscriber lists do I have in Klaviyo?”
“Can I find lists by name or creation date?”
Tell an agent
List subscriber lists matching {filter}.
Show all lists sorted by {sort}.
POST /api/lists Create a subscriber list · Create List #
Ask an LLM
“How do I create a new email list?”
“Is there a daily limit on creating lists?”
Tell an agent
Create a list {list}.
Make a new subscriber list: {list}.
GET /api/lists/{id} Get one list · Get List #
Ask an LLM
“What are the details of a specific list?”
“Can I get a list's profile count?”
Tell an agent
Get list {list_id}.
Show list {list_id} with {extra} included.
PATCH /api/lists/{id} Rename a list · Update List #
Ask an LLM
“How do I rename one of my lists?”
“Can I change a list's name after creating it?”
Tell an agent
Rename list {list_id} using {changes}.
Change the name of list {list_id} to {changes}.
DELETE /api/lists/{id} Delete a list · Delete List #
Ask an LLM
“Can I delete a subscriber list?”
“What's the way to remove a list I no longer use?”
Tell an agent destructive · confirm first
Delete list {list_id}.
Permanently remove subscriber list {list_id}.
GET /api/lists/{id}/tags List the tags on a list · Get Tags for List #
Ask an LLM
“What tags are on a particular subscriber list?”
“Can I see tag names for one list?”
Tell an agent
List the tags on list {list_id}.
Show tag names applied to list {list_id}.
GET /api/lists/{id}/relationships/tags List tag IDs on a list · Get Tag IDs for List #
Ask an LLM
“Can I get only the tag IDs for a list?”
“Which tag IDs are attached to one list?”
Tell an agent
Get only the tag IDs on list {list_id}.
Return the tag ID list for list {list_id}.
GET /api/lists/{id}/profiles List the profiles in a list · Get Profiles for List #
Ask an LLM
“Who is subscribed to a particular list?”
“Can I find a list member by email or phone number?”
Tell an agent
List the profiles in list {list_id}.
Find members of list {list_id} matching {filter}.
GET /api/lists/{id}/relationships/profiles List profile IDs in a list · Get Profile IDs for List #
Ask an LLM
“Can I get only the profile IDs of a list's members?”
“Which profile IDs belong to one list?”
Tell an agent
Get only the profile IDs in list {list_id}.
Return member profile IDs for list {list_id}.
POST /api/lists/{id}/relationships/profiles Add profiles to a list · Add Profiles to List #
Ask an LLM
“How do I add existing profiles to a list?”
“How many profiles can I add to a list in one call?”
Tell an agent
Add profiles {profiles} to list {list_id}.
Put these people into list {list_id}: {profiles}.
DELETE /api/lists/{id}/relationships/profiles Remove profiles from a list · Remove Profiles from List #
Ask an LLM
“Can I take people off a list without unsubscribing them?”
“Does removing someone from a list change their consent status?”
Tell an agent destructive · confirm first
Remove profiles {profiles} from list {list_id}.
Take these people off list {list_id}: {profiles}.
GET /api/lists/{id}/flow-triggers List flows triggered by a list · Get Flows Triggered by List #
Ask an LLM
“Which flows start when someone joins a particular list?”
“Can I see full details of flows that use a list as their trigger?”
Tell an agent
List the flows triggered by list {list_id}.
Show which automations fire when people join list {list_id}.
GET /api/lists/{id}/relationships/flow-triggers List IDs of flows triggered by a list · Get IDs for Flows Triggered by List #
Ask an LLM
“Can I get only the IDs of flows that a list triggers?”
“What flow IDs use one list as their trigger?”
Tell an agent
Get only the IDs of flows triggered by list {list_id}.
Return trigger flow IDs for list {list_id}.

Documentation

📖
Documentation
https://developers.klaviyo.com/
📖
Authentication
https://developers.klaviyo.com/en/docs/authenticate_
📖
RateLimits
https://developers.klaviyo.com/en/docs/rate_limits_and_error_handling

Specifications

⚙
OpenAPI
https://raw.githubusercontent.com/api-evangelist/klaviyo/refs/heads/main/openapi/klaviyo-lists-api-openapi.yml
⚙
AsyncAPI
https://raw.githubusercontent.com/api-evangelist/klaviyo/refs/heads/main/asyncapi/klaviyo-webhooks-asyncapi.yaml

Other Resources

🔗
Reference
https://developers.klaviyo.com/en/reference/api_overview
🔗
Versioning
https://developers.klaviyo.com/en/docs/api_versioning_and_deprecation_policy
🔗
ChangeLog
https://developers.klaviyo.com/en/docs/changelog_
🔗
SDKs
https://developers.klaviyo.com/en/docs/sdk_overview
🔗
GitHub
https://github.com/klaviyo/openapi
🔗
Overlay
https://raw.githubusercontent.com/api-evangelist/klaviyo/refs/heads/main/overlays/klaviyo-lists-api-overlay.yaml

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OpenAPI Specification

klaviyo-lists-api-openapi.yml Raw ↑ 
openapi: 3.2.0
info:
  title: Klaviyo Lists API
  version: '2026-04-15'
  description: The Klaviyo REST API. Please visit https://developers.klaviyo.com for more details.
  contact:
    name: Klaviyo Developer Experience Team
    email: developers@klaviyo.com
    url: https://developers.klaviyo.com
  termsOfService: https://www.klaviyo.com/legal/api-terms
  license:
    name: License
    url: https://www.klaviyo.com/legal
servers:
- url: https://a.klaviyo.com
  description: Production
security:
- Klaviyo-API-Key: []
tags:


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# Full source: https://raw.githubusercontent.com/api-evangelist/klaviyo/refs/heads/main/openapi/klaviyo-lists-api-openapi.yml