klaviyo
Deprecated Klaviyo SDK
Decision gist · record as of 2026-08-14
No—do not install for new projects. The package is officially deprecated, abandoned, and will receive no updates. Install only if you are maintaining an existing legacy application already using this SDK and cannot immediately migrate to Klaviyo's newer Python SDK. For any new integration, use the recommended replacement (klaviyo-api-python) instead.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires valid Klaviyo public and private API tokens; the package is deprecated and will not receive updates.
- Installation is straightforward with low friction—only two runtime dependencies (requests and simplejson)—but the package is abandoned as of 2023-08-18 and officially deprecated as of 2024-06-30.
- No further updates will be released.
License · maintenance · safety
MIT License (permissive) — Licensed under MIT License (permissive), so commercial and private use are permitted, but the package's abandoned status means no security patches or compatibility fixes will be applied.
last release 2023-04-19 (1213 days) · last repo commit 2023-08-18 · 16 stars · archived
0 known vulnerabilities (OSV.dev, 2026-08-14) · 76,356 downloads/mo, #14,632 on PyPI
Alternatives
Verify before relying
pip install klaviyo
import klaviyo
client = klaviyo.Klaviyo(public_token=PUBLIC_TOKEN, private_token=PRIVATE_TOKEN)
client.Public.track('Filled out profile', email='someone@mailinator.com', properties={'Added social accounts': False})- Whether the v1/v2 Klaviyo APIs this SDK targets are still operational or have been sunset.
- Compatibility with modern Python versions (requires_python is unspecified in the fact sheet).
- Whether the newer SDK (klaviyo-api-python) is a drop-in replacement or requires significant refactoring.
What it is and what it does
Klaviyo is a deprecated Python client for Klaviyo's email marketing and customer data platform. It provides methods to track customer events and profile properties, manage email lists and subscribers, query metrics and campaign data, and retrieve profile information—all via Klaviyo's older v1/v2 REST APIs. The package wraps HTTP requests and simplejson for JSON parsing.
The package is no longer maintained. Klaviyo officially deprecated it on 2024-06-30 and recommends migrating to their newer SDK (klaviyo-api-python). The repository is archived, the last commit was in August 2023, and no further updates will be released. Installing this package for new projects is not recommended; it should only be used to maintain legacy integrations already in production.
Use it for
- Maintain legacy Python applications already integrated with Klaviyo's v1/v2 APIs that cannot be immediately refactored.
- Track customer events and profile updates from a backend application to Klaviyo's platform.
- Query and manage email lists, subscribers, and segments in existing Klaviyo integrations.
- Retrieve campaign and metrics data for reporting in older codebases that depend on this SDK.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
No—do not install for new projects.
The package is officially deprecated, abandoned, and will receive no updates. Install only if you are maintaining an existing legacy application already using this SDK and cannot immediately migrate to Klaviyo's newer Python SDK. For any new integration, use the recommended replacement (klaviyo-api-python) instead.
Install
klaviyo on PyPI
Before you install
Installation is straightforward with low friction—only two runtime dependencies (requests and simplejson)—but the package is abandoned as of 2023-08-18 and officially deprecated as of 2024-06-30. No further updates will be released.
Requires valid Klaviyo public and private API tokens; the package is deprecated and will not receive updates.
License in practice
Licensed under MIT License (permissive), so commercial and private use are permitted, but the package's abandoned status means no security patches or compatibility fixes will be applied.
Quickstart
pip install klaviyo
import klaviyo
client = klaviyo.Klaviyo(public_token=PUBLIC_TOKEN, private_token=PRIVATE_TOKEN)
client.Public.track('Filled out profile', email='someone@mailinator.com', properties={'Added social accounts': False})Verify before relying
- Whether the v1/v2 Klaviyo APIs this SDK targets are still operational or have been sunset.
- Compatibility with modern Python versions (requires_python is unspecified in the fact sheet).
- Whether the newer SDK (klaviyo-api-python) is a drop-in replacement or requires significant refactoring.
Package facts
| License | MIT License permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 2 packagesrequestssimplejson |
| Maintenance | Abandoned 1,213 days since the last release |
| Last repo commit | repository archived |
| First released | |
| Downloads | 76,356 / month, #14,632 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
Evidence: klaviyo-3.1.7-py2.py3-none-any.whl
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