airbyte-cdk
A framework for writing Airbyte Connectors.
Decision gist · record as of 2026-08-14
Yes, if you are building connectors for the Airbyte ecosystem. The framework is actively maintained, carries no known vulnerabilities, and provides well-documented patterns for both low-code and custom connector development. Install friction is low and Python support is current. Not relevant if you need a standalone data-fetching library outside Airbyte.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; designed for building connectors within the Airbyte ecosystem, not a standalone data-fetching library.
- Low install friction with a pure-Python wheel distribution.
- Actively maintained with a release 3 days old.
License · maintenance · safety
MIT (permissive) — MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute this package freely as long as you include the original license notice.
last release 2026-08-11 (3 days) · last repo commit 2026-08-14 · 25 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 1,575,848 downloads/mo, #3,746 on PyPI
Alternatives
Verify before relying
pip install airbyte-cdk
from airbyte_cdk.sources import Source
from airbyte_cdk.sources.declarative import DeclarativeSource
# Use DeclarativeSource for low-code connector or subclass Source for custom logic- Whether the 41 runtime dependencies are all required for basic connector development or only for advanced features.
- Performance characteristics when building connectors that handle high-throughput data sources.
- Maturity level beyond 'Alpha' classification—how stable is the public API across minor releases?
What it is and what it does
Airbyte CDK is a Python framework for building connectors that integrate data sources into Airbyte's data pipeline platform. It abstracts the complexity of implementing Airbyte's protocol by providing base classes, helpers, and a declarative manifest language for defining how to extract, transform, and stream data from APIs, databases, and file systems.
The package supports three main approaches: a low-code declarative manifest (recommended for most connectors), a concurrent CDK for high-throughput scenarios, and a file-based CDK for cloud storage sources. It handles authentication, pagination, rate limiting, schema inference, and protocol serialization, letting developers focus on source-specific logic rather than boilerplate. The framework is actively maintained and supports modern Python versions.
Use it for
- Build a REST API connector to sync data from a SaaS platform into a data warehouse using the declarative manifest.
- Develop a custom Python connector for a proprietary or complex data source requiring conditional logic and custom transformations.
- Create a file-based connector to extract data from S3, Azure Blob Storage, or Google Cloud Storage.
- Implement a high-throughput connector that reads data concurrently from multiple partitions or slices.
- Extend an existing Airbyte connector with custom authentication, error handling, or retry logic.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building connectors for the Airbyte ecosystem.
The framework is actively maintained, carries no known vulnerabilities, and provides well-documented patterns for both low-code and custom connector development. Install friction is low and Python support is current. Not relevant if you need a standalone data-fetching library outside Airbyte.
Install
airbyte-cdk on PyPI
Before you install
Low install friction with a pure-Python wheel distribution. Actively maintained with a release 3 days old. Supports current Python versions (3.10–3.13) and carries 41 runtime dependencies, mostly standard data-processing and HTTP libraries.
Requires Python 3.10 or later; designed for building connectors within the Airbyte ecosystem, not a standalone data-fetching library.
License in practice
MIT license permits commercial and private use with minimal restrictions; you may use, modify, and distribute this package freely as long as you include the original license notice.
Quickstart
pip install airbyte-cdk
from airbyte_cdk.sources import Source
from airbyte_cdk.sources.declarative import DeclarativeSource
# Use DeclarativeSource for low-code connector or subclass Source for custom logicVerify before relying
- Whether the 41 runtime dependencies are all required for basic connector development or only for advanced features.
- Performance characteristics when building connectors that handle high-throughput data sources.
- Maturity level beyond 'Alpha' classification—how stable is the public API across minor releases?
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release <3.14,>=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 41 packagesJinja2PyYAMLairbyte-protocol-models-dataclassesanyasciibackoffboltonscachetoolsclickcryptographydateparserdpathdunamaigensongoogle-cloud-secret-managerijsonisodatejsonrefjsonschemanltkorjsonpackagingpandaspydanticpyjwtpyrate-limiterpython-dateutilpython-ulidpytzrapidfuzzreferencing |
| Maintenance | Actively maintained 3 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 1,575,848 / month, #3,746 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 3 - AlphaIntended Audience :: DevelopersLicense :: OSI Approved :: MIT LicenseProgramming Language :: Python :: 3Programming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Topic :: Scientific/EngineeringTopic :: Software Development :: Libraries :: Python Modules |
Evidence: airbyte_cdk-7.25.1-py3-none-any.whl
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See also airbyte · airbyte-source-declarative-manifest · airbyte-api · airbyte-connector-models · airbyte-protocol-models · dagster-airbyte · airbyte-protocol-models-pdv2 · fivetran-connector-sdk · airbyte-protocol-models-dataclasses · apache-airflow-providers-airbyte