lark-oapi
Lark OpenAPI SDK for Python
Decision gist · record as of 2026-08-14
Yes. The SDK is actively maintained, has no known vulnerabilities, uses a permissive MIT license, and installs with low friction. It is the canonical way to integrate with Feishu's server APIs from Python; if you are building on Feishu or Lark, this is the right choice.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.8 or later and valid Feishu app credentials (app_id and app_secret or client_assertion provider).
- Low install friction with a pure-wheel distribution.
- Active maintenance with a release 9 days ago and 549 repository stars.
License · maintenance · safety
MIT (permissive) — MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute this package freely provided you include the license notice.
last release 2026-08-05 (9 days) · last repo commit 2026-08-05 · 549 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 2,910,710 downloads/mo, #2,827 on PyPI
Alternatives
Verify before relying
pip install lark-oapi
import lark_oapi as lark
from lark_oapi.api.im.v1 import *
client = lark.Client.builder().app_id("cli_xxx").app_secret("your_app_secret").build()
request = CreateMessageRequest.builder().receive_id_type("chat_id").request_body(CreateMessageRequestBody.builder().receive_id("oc_xxx").msg_type("text").content("{\"text\":\"hello world\"}").build()).build()
response = client.im.v1.message.create(request)- Scope and completeness of Feishu API endpoints covered by this SDK version.
- Performance characteristics and rate-limiting behavior under production load.
- Backward compatibility guarantees across minor and patch versions.
What it is and what it does
This is the official Python SDK for Feishu (also known as Lark), a workplace collaboration platform. It abstracts away the repetitive work of calling Feishu's server-side APIs—handling OAuth token lifecycle, cryptographic request signing, payload encryption/decryption, and event routing—so you can focus on building features rather than protocol plumbing. The SDK provides typed request and response models for messaging, contact management, approval workflows, spreadsheets, and other Feishu capabilities.
You build a client with your app credentials, then call methods like `client.im.v1.message.create()` to send messages or handle incoming events through a dispatcher. The SDK supports both traditional app_secret authentication and keyless JWT-based assertion flows for external signing services. It also includes a one-click app registration flow that guides users through OAuth device-flow setup and lets you pre-configure scopes, events, and callbacks before they confirm.
Use it for
- Build a Feishu bot that sends notifications or responds to messages in channels and direct chats.
- Integrate Feishu messaging into a third-party service to notify users of events or alerts.
- Automate approval workflows by programmatically creating and updating approval instances.
- Sync data between Feishu Sheets or Base and external systems via the SDK's typed API models.
- Handle incoming Feishu events (messages, card interactions) through the SDK's event dispatcher.
- Register and configure a new Feishu app on behalf of a user via the OAuth device-flow helper.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
The SDK is actively maintained, has no known vulnerabilities, uses a permissive MIT license, and installs with low friction. It is the canonical way to integrate with Feishu's server APIs from Python; if you are building on Feishu or Lark, this is the right choice.
Install
lark-oapi on PyPI
Before you install
Low install friction with a pure-wheel distribution. Active maintenance with a release 9 days ago and 549 repository stars. Supports Python 3.8 through 3.12.
Requires Python 3.8 or later and valid Feishu app credentials (app_id and app_secret or client_assertion provider).
License in practice
MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute this package freely provided you include the license notice.
Quickstart
pip install lark-oapi
import lark_oapi as lark
from lark_oapi.api.im.v1 import *
client = lark.Client.builder().app_id("cli_xxx").app_secret("your_app_secret").build()
request = CreateMessageRequest.builder().receive_id_type("chat_id").request_body(CreateMessageRequestBody.builder().receive_id("oc_xxx").msg_type("text").content("{\"text\":\"hello world\"}").build()).build()
response = client.im.v1.message.create(request)Verify before relying
- Scope and completeness of Feishu API endpoints covered by this SDK version.
- Performance characteristics and rate-limiting behavior under production load.
- Backward compatibility guarantees across minor and patch versions.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.8 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 5 packagesrequestsrequests_toolbeltpycryptodomewebsocketshttpx |
| Maintenance | Actively maintained 9 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 2,910,710 / month, #2,827 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 5 - Production/StableIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseOperating System :: OS IndependentProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.8Programming Language :: Python :: 3.9Topic :: Software Development :: Libraries :: Python Modules |
Evidence: lark_oapi-1.7.2-py3-none-any.whl
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See also lark · lark-js · lark-parser · onesignal-python-api · alibabacloud-openapi-util · schwab-py · longbridge · twitchAPI · alibabacloud-tea-openapi · fastapi-cloudauth