openlayer
The official Python library for the openlayer API
Decision gist · record as of 2026-08-14
Yes. The library is actively maintained, has low install friction, carries no known vulnerabilities, and uses a permissive Apache-2.0 license. It is the official client for Openlayer's API and is essential if you need to integrate Openlayer monitoring into a Python application. The typed interface, async support, and automatic retries make it production-ready.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires OPENLAYER_API_KEY environment variable or explicit api_key parameter; Python 3.9 or later.
- Low install friction; pure Python wheel with 12 runtime dependencies including httpx, pydantic, and pandas.
- Actively maintained with a release 10 days old and recent commits.
License · maintenance · safety
Apache-2.0 (permissive) — Apache-2.0 permissive license allows commercial use, modification, and distribution with minimal restrictions—suitable for most production and proprietary projects.
last release 2026-08-04 (10 days) · last repo commit 2026-08-04 · 17 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 200,517 downloads/mo, #9,691 on PyPI
Alternatives
Verify before relying
pip install openlayer
import os
from openlayer import Openlayer
client = Openlayer(api_key=os.environ.get("OPENLAYER_API_KEY"))
response = client.inference_pipelines.data.stream(
inference_pipeline_id="182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
config={"input_variable_names": ["user_query"], "output_column_name": "output"},
rows=[{"user_query": "test", "output": "result"}]
)
print(response.success)- Whether the library's retry behavior (2 retries by default for connection/timeout/429/5xx errors) is configurable beyond max_retries setting.
- Performance characteristics when streaming large datasets through inference_pipelines.data.stream().
- Whether aiohttp integration (optional extra) provides measurable concurrency improvements over default httpx backend.
What it is and what it does
Openlayer is the official Python client library for the Openlayer REST API, generated using Stainless. It wraps Openlayer's inference pipeline and project management endpoints in a typed, ergonomic interface. The library provides both Openlayer (synchronous) and AsyncOpenlayer (asynchronous) clients, both powered by httpx, with full type hints for request parameters and response objects via Pydantic models and TypedDicts.
The library is designed for developers integrating Openlayer's monitoring and data-streaming capabilities into Python applications. It handles authentication via API key, includes automatic retry logic for transient failures (connection errors, timeouts, rate limits, and 5xx responses), and offers helper methods on response objects for JSON serialization and dictionary conversion. Async usage is straightforward: import AsyncOpenlayer, use await on API calls, and optionally swap the HTTP backend to aiohttp for improved concurrency.
Use it for
- Stream inference pipeline data (inputs, outputs, tokens, costs, timestamps) to Openlayer for monitoring and analysis.
- Create and manage project commits programmatically to track model and prompt changes over time.
- Build async data pipelines that batch-upload inference results without blocking application logic.
- Integrate Openlayer monitoring into existing Python ML workflows with full IDE autocomplete and type checking.
- Handle API errors gracefully with typed exception hierarchy (APIConnectionError, RateLimitError, APIStatusError subclasses).
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
The library is actively maintained, has low install friction, carries no known vulnerabilities, and uses a permissive Apache-2.0 license. It is the official client for Openlayer's API and is essential if you need to integrate Openlayer monitoring into a Python application. The typed interface, async support, and automatic retries make it production-ready.
Install
openlayer on PyPI
Before you install
Low install friction; pure Python wheel with 12 runtime dependencies including httpx, pydantic, and pandas. Actively maintained with a release 10 days old and recent commits. Supports Python 3.9 through 3.14.
Requires OPENLAYER_API_KEY environment variable or explicit api_key parameter; Python 3.9 or later.
License in practice
Apache-2.0 permissive license allows commercial use, modification, and distribution with minimal restrictions—suitable for most production and proprietary projects.
Quickstart
pip install openlayer
import os
from openlayer import Openlayer
client = Openlayer(api_key=os.environ.get("OPENLAYER_API_KEY"))
response = client.inference_pipelines.data.stream(
inference_pipeline_id="182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
config={"input_variable_names": ["user_query"], "output_column_name": "output"},
rows=[{"user_query": "test", "output": "result"}]
)
print(response.success)Verify before relying
- Whether the library's retry behavior (2 retries by default for connection/timeout/429/5xx errors) is configurable beyond max_retries setting.
- Performance characteristics when streaming large datasets through inference_pipelines.data.stream().
- Whether aiohttp integration (optional extra) provides measurable concurrency improvements over default httpx backend.
Package facts
| License | Apache-2.0 permissive |
| Python support | Supports the current Python release >=3.9 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 12 packagesanyiodistrohttpxpandaspyarrowpydanticpyyamlrequests-toolbeltsniffiotqdmtyping-extensionswrapt |
| Maintenance | Actively maintained 10 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 200,517 / month, #9,691 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Intended Audience :: DevelopersLicense :: OSI Approved :: Apache Software LicenseOperating System :: MacOSOperating System :: Microsoft :: WindowsOperating System :: OS IndependentOperating System :: POSIXOperating System :: POSIX :: LinuxProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Programming Language :: Python :: 3.9Topic :: Software Development :: Libraries :: Python ModulesTyping :: Typed |
Evidence: openlayer-0.31.2-py3-none-any.whl
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