PPlatformAppStores

Klaviyo App Marketplace

General SaaS

Klaviyo, Inc. · General SaaS app marketplaces

Best for: Businesses and developers seeking reviewed third-party integrations, data synchronization, workflow extensions, or complementary tools for Klaviyo.

Overview

Klaviyo App Marketplace is Klaviyo's official directory for reviewed third-party apps and integrations. Developers can publish listings for OAuth apps that synchronize customer data, extend workflows, and connect complementary tools with Klaviyo. Listings can include installation, pricing, support, privacy, feature, help, and media information. Formal review is required before publication.

How to build & ship

  1. 1Create and test an OAuth app with least-permissive scopes and valid redirect URLs.
  2. 2Obtain at least five active customer installs with live API activity.
  3. 3Complete company, authentication, listing, pricing, support, privacy, feature, help, logo, and media details.
  4. 4Complete the integration registration form and the app-specific security form.
  5. 5Submit the review package and respond to Klaviyo's approval, rejection, or requested-change email.

Key APIs & SDKs

OAuth installation and authorization flow
Klaviyo REST API
Klaviyo Web and Mobile SDKs
Klaviyo JavaScript tracking and identification APIs
Klaviyo flows, webhooks, and custom actions

Integration types

Connector
Workflow action

Authentication & security

  • Primary auth: OAuth 2.0
  • Also supports: Private API key
  • Security review: Required
  • Marketplace inclusion requires at least five active customer installs with live API activity, an integration registration form, and a security form for each unique app; Klaviyo may approve, reject, or request changes.
  • Klaviyo uses Draft, Submitted for review, Published, and Unpublished states. After submission, its review team communicates approval, rejection, or requested changes by email. Published-listing changes require resubmission and re-review, while scope or redirect-URL changes affect authorization.
  • Klaviyo documents per-account fixed-window limits for new API endpoints, with burst and steady classes XS through XL; OAuth apps receive a quota per installed app instance, and HTTP 429 indicates a rate-limit event.
Auth docs Store policies

Monetization

Free
Paid app
Usage-based
Revenue share
Listing fee
Onboarding
Not publicly specified
Commission
Not publicly specified
Merchant of Record
Not publicly specified

Pros & cons for builders

Pros

  • Official Klaviyo discovery surface with category browsing and app listing pages.
  • Clear OAuth, scope-minimization, testing, registration, and security requirements.
  • Published listings can expose installation, pricing, support, privacy, feature, help, and media information.

Cons

  • Formal listing requires at least five real active customer installs with live API activity.
  • Approval is discretionary and not every submitted app is approved.
  • Marketplace-level fees, commissions, merchant-of-record terms, and revenue-share terms are not publicly specified.

Frequently asked questions

How do I get my app approved on Klaviyo App Marketplace?

Klaviyo uses Draft, Submitted for review, Published, and Unpublished states. After submission, its review team communicates approval, rejection, or requested changes by email. Published-listing changes require resubmission and re-review, while scope or redirect-URL changes affect authorization.

What authentication does Klaviyo App Marketplace use?

Klaviyo App Marketplace apps primarily authenticate with OAuth 2.0, also supporting Private API key.

How is Klaviyo App Marketplace monetized?

Klaviyo App Marketplace supports Free, Paid app, Usage-based, Revenue share, Listing fee. Typical commission: Not publicly specified. Onboarding fee: Not publicly specified.

Is a security review required to list on Klaviyo App Marketplace?

Yes, Klaviyo App Marketplace requires a formal security or listing review before apps go live. Marketplace inclusion requires at least five active customer installs with live API activity, an integration registration form, and a security form for each unique app; Klaviyo may approve, reject, or request changes.