Ranked by the provider's API Evangelist rating — the Kin Score is scored per provider, not per API, so every API of a provider shares its band. How the rating works →

Exemplar 12 Complete, well-documented, and agent-ready

RudderStack Transformations APIThe RudderStack Transformations API manages user-defined transformation functions (JavaScript, with Python ...79.1 Scalar SDKsScalar SDKs generates type-safe client libraries from OpenAPI specifications. Supported languages include T...76.4 Moov Backend SDKsMoov provides official server-side client libraries for interacting with the Moov API across multiple progr...75.9 ArcGIS API for PythonThe ArcGIS API for Python provides a Pythonic interface for GIS capabilities including data management, spa...75.0 Clerk Python SDKOfficial Python SDK for the Clerk Backend API.73.1 Canvas Medical SDKA Python SDK that enables developers to build plugins that execute natively within the Canvas EMR infrastru...71.0 Azure Quantum Python SDKPython SDK for submitting jobs to Azure Quantum. Supports Q#, Qiskit, Cirq, and pass-through provider input...70.3 CloudBees Python APIThe Python API from CloudBees — 1 operation(s) for python.70.3 MATLAB Engine API for PythonCall MATLAB from Python, allowing Python programs to start MATLAB, execute MATLAB functions, and exchange d...68.8 Microsoft Python Driver for SQL Server (mssql-python)Python driver using Direct Database Connectivity for direct connections to SQL Server without requiring an ...67.0 Python Drivers for SQL ServerPython drivers for connecting to SQL Server including the first-party mssql-python driver, pyodbc, and pyms...67.0 Neo4j Python DriverThe Neo4j Python Driver is the official library for interacting with Neo4j graph databases from Python appl...66.6

Strong 23 Solid coverage with minor gaps

Modal Functions APIDefines, deploys, and invokes serverless Python Functions on Modal with per-function GPU/CPU/memory configu...66.1 Linode Python SDKThe Linode Python SDK (linode_api4) is the official Python client library for interacting with the Linode A...65.8 Hugging Face Transformers LibraryOpen-source Python library that provides pretrained models, tokenizers, and pipelines for inference and fin...65.4 Prefect Python SDKThe Prefect Python SDK is used to build, test, and execute workflows against the Prefect API. It provides d...65.1 Gemini Python SDKPython client library for the Gemini API.61.7 OpenTimelineIOOpenTimelineIO (OTIO) is an open source API and interchange format for editorial timeline information. It i...61.4 Refuel Autolabel (Open Source)Autolabel is the open-source Python library (pip install refuel-autolabel) to label, clean, and enrich text...61.3 Chroma Python ClientThe Chroma Python Client is a first-party SDK for interacting with both self-hosted Chroma servers and Chro...59.2 Dagger SDKsNative SDKs for Go, Python, TypeScript, PHP, Java, .NET, Elixir, and Rust that generate strongly typed clie...58.9 Jentic Standard AgentOpen-source composable reasoning agent framework that plans, acts, and recovers from failures, preconfigure...58.9 Dataiku Python APIPython client library for interacting with Dataiku DSS.58.2 Barndoor + Crew AI ExampleReference Python demo application showing how to plug Barndoor-governed MCP tools into a Crew AI multi-agen...58.0 DataHub Python SDKPython client for interacting with DataHub. The acryl-datahub package provides a CLI and SDK for DataHub, i...57.4 JSNAPy APIPython-based snapshot and test framework for Junos devices.57.3 Juniper JSNAPyPython-based tool for snapshot and verification of network device configurations.57.3 Junos PyEZPython library for automating Junos devices using NETCONF.57.3 Junos PyEZ (Python API)Python library for automating Junos devices using NETCONF.57.3 CirqCirq is an Apache 2.0 Python framework for designing, manipulating, simulating, and executing Noisy Interme...56.7 Nokia SR OS pySROS SDK and YANG ModelspySROS is the official Python SDK for model-driven configuration, operational data retrieval, and automatio...56.5 AimDK_X2 SDKAimDK_X2 is the published secondary-development SDK for the AgiBot X2 humanoid. It exposes the robot to Pyt...56.0 Check CLIThe Check Command-Line Interface is a Python-based CLI installed via the uv package manager that exposes 27...56.0 Sweep Python APIThe Python API from Sweep — 1 operation(s) for python.55.7 PyOD (Python Outlier Detection)PyOD is a comprehensive and scalable Python library for detecting outliers/anomalies in multivariate data. ...54.6

Developing 34 Usable, with meaningful gaps to close

Runway Python SDKThe Runway Python SDK provides a convenient Python library for interacting with the Runway API. Supports Py...54.0 Eikon Data APIPython and R library that allows programmatic access to Refinitiv Eikon data. Provides access to instrument...53.3 Refinitiv Data Library for PythonPython library providing uniform, ease-of-use interfaces for accessing the breadth and depth of financial d...53.3 Tableau Analytics Extensions APIThe Analytics Extensions API allows integration of external analytics engines such as Python, R, MATLAB, an...49.9 Tableau Document APIPython library for programmatically updating Tableau workbook and data source files.49.9 Tableau Server Client (Python)Python library that wraps the Tableau REST API for easier programmatic access.49.9 Ansible Runner APIAnsible Runner is a Python library and CLI tool that provides a stable and consistent interface for executi...48.3 turbopuffer Python SDKOfficial Python client library for the turbopuffer REST API, Stainless-generated from the public OpenAPI spec.48.0 Felt Python SDKOfficial Python client for the Felt REST API providing convenient wrappers for map creation, file and DataF...47.7 PyIceberg Python APIPyIceberg is the official Python implementation of the Apache Iceberg table specification. It provides prog...47.3 FHIR InfernoAn open-source Python utility that flattens nested HL7 FHIR JSON (bundles / resources) into tabular CSV fil...45.3 Golioth Python ToolsPython tooling that wraps the Management API for scripting, automation, and CLI-driven workflows against Go...44.6 WebLogic WLST (WebLogic Scripting Tool) APIPython-based scripting interface for automating WebLogic Server administration tasks.44.0 Stigg Python SDKOfficial Python SDK for integrating Stigg entitlements and usage-based billing into Python backend services.43.9 Eikon Data APIPython library providing access to financial data, news, and symbology from within the Refinitiv Eikon or L...43.3 make-request-py (Sideko Runtime)Modern Python HTTP client library with built-in authentication and response handling, used as the runtime b...43.3 Refinitiv Data Library for PythonPython library providing uniform access to the breadth and depth of financial data and services available o...43.3 Sideko Python SDKThe Sideko Python SDK provides Python bindings for the Sideko API. Generated by Sideko's own pipeline from ...43.3 Sideko Stripe Python SDK (Sample)Sample Python SDK for the Stripe API, Sideko-generated as a companion to the TypeScript Stripe sample.43.3 Hey API Openapi-Ts@hey-api/openapi-ts is an OpenAPI to TypeScript code generator that emits production-grade SDKs, types, val...42.0 Surge Python SDKOfficial Python SDK (surge-api on PyPI) wrapping the Surge API. Requires Python 3.10+, MIT-licensed, and la...41.9 Streamlit Python APIThe Streamlit Python library API provides a rich set of functions for building interactive data application...41.7 Eventbrite Python SDKThe Eventbrite Python SDK is an open-source client library maintained by Eventbrite that provides idiomatic...41.6 OpenHands Agent SDKComposable Python SDK for defining, running, and orchestrating agents locally or scaled to thousands in the...41.6 LanceDB Python SDKPrimary client library. First-class Arrow, Pandas, Polars, and Pydantic integration; pluggable embedding fu...41.0 HashiCorp Nomad Python SDKThe python-nomad library is a Python client for the HashiCorp Nomad HTTP API. It provides Pythonic access t...40.7 GOV.UK Notify Python ClientOfficial Python client library for the GOV.UK Notify API. Wraps the REST API with idiomatic Python methods ...40.5 Mercado Pago Python SDKOfficial Python SDK wrapping the Mercado Pago REST APIs.40.4 Analog Devices PyADI-IIO Python APIPyADI-IIO provides Python interfaces for ADI hardware with IIO drivers, enabling Python developers to inter...39.9 py-clob-client (Python SDK)Official Python SDK for the Polymarket CLOB API - wallet signing, EIP-712 order construction, place / cance...39.9 AI21 Python SDKOfficial Python SDK (ai21 on PyPI) wrapping the AI21 Studio REST API with sync and async clients, streaming...39.7 TiKV Python ClientThe official Python client for TiKV supporting raw and transactional key-value operations.39.5 Trieve Python SDKOfficial Python client library (trieve-py-client) for the Trieve REST API.39.5 Kubeflow Pipelines Python SDKPython SDK for building, compiling, and submitting ML pipelines. Provides decorators and utilities to defin...39.3

Thin 63 Limited public surface area

Emerging 63 Early or largely undocumented

Aider Python ModuleAider exposes a Python module entrypoint (`python -m aider`) and an importable package (`aider.main.main`) ...26.1 Bytewax Python LibraryOpen-source Python library for building distributed stream processing dataflows. Provides bytewax.dataflow,...25.9 Vocode Open Source Libraryvocode-core, the MIT-licensed Python library for building voice-based LLM agents with pluggable STT, LLM, a...25.9 PyBand Python SDKPyBand is a Python SDK that offers a comprehensive set of features for interacting with BandChain via gRPC....25.2 in-toto Python Reference ImplementationThe Python reference implementation of in-toto provides tools and libraries for creating and verifying in-t...25.1 AG2 Python FrameworkCore open-source Python library for building agentic AI applications. Provides ConversableAgent, AssistantA...25.0 starknet.py SDKPython SDK for Starknet maintained by Software Mansion, covering account / contract interaction, Cairo ABI ...25.0 what3words Python SDKOfficial Python wrapper around the what3words Public API.24.6 Apache TVM Python APIThe TVM Python API provides a comprehensive interface for model compilation, optimization, and deployment. ...24.4 Apache SystemDS Python APIThe SystemDS Python API (systemds) provides a Python interface for building end-to-end ML pipelines. It inc...24.3 Ragas Python LibraryThe Ragas Python library is the primary surface of the project, installed via `pip install ragas` and impor...24.3 TUF Python Reference ImplementationThe official Python reference implementation of The Update Framework (TUF) specification. Provides a metada...24.3 Voyage AI Python SDKOfficial Python client (voyageai) wrapping the embeddings, multimodal, contextualized, and reranking endpoi...24.2 Agno Python FrameworkOpen-source Python framework for building agents with memory, knowledge, and tools. Provides Agent, Team, W...23.6 Deepchecks Open-Source TestingThe AGPL-3.0 licensed open-source Python package for continuous validation of tabular, computer-vision, and...23.6 LocustOpen source distributed load testing tool. Tests are written in Python by defining User classes and tasks; ...23.4 Bloqade Analog Python SDKBloqade Analog (pip install bloqade-analog) is QuEra's Python SDK for writing, simulating, and submitting a...22.4 Bloqade Circuit Python SDKBloqade Circuit is the gate-model eDSL component of the Bloqade family, built on the Bloqade Core eDSL infr...22.4 Bloqade Shuttle and Lanes Compilation SDKsBloqade Shuttle is the SDK for simulating and running neutral-atom programs with explicit atom movement; Bl...22.4 Kirin Kernel IR InfrastructureKirin (Kernel Intermediate Representation Infrastructure) is QuEra's Python compiler framework that underpi...22.4 tsim Universal QEC Simulatortsim is QuEra's open-source fast universal quantum circuit sampler for QEC based on ZX stabilizer rank deco...22.4 RequestsRequests is a simple and elegant HTTP library for Python, designed for human beings. It provides a clean, h...22.2 DeepEvalDeepEval is an open-source Python framework for evaluating LLM applications as unit tests. It ships with re...21.9 KedroKedro is a Python framework for creating reproducible, maintainable, and modular data science code.21.7 AgentOps Python SDKThe AgentOps Python SDK is the primary entry point, installable via pip install agentops and initialized wi...21.6 DeepEval (Confident AI)DeepEval is an open-source LLM evaluation package, paired with Confident AI as the hosted observability/eva...21.6 OpenAI EvalsOpenAI Evals is the open-source framework released by OpenAI for evaluating large language models and LLM-b...21.6 Maya Python APIPython API for scripting and extending Maya functionality, providing access to Maya's scene graph and node ...21.2 PyAnsysOpen-source Python ecosystem for Ansys products. The pyansys metapackage bundles 45+ libraries including Py...21.1 Boston Dynamics Spot SDKThe Spot SDK is an open-source SDK for developing applications and payloads for the Spot quadruped robot. B...20.8 FlaskFlask is a lightweight WSGI web application framework for Python. It is commonly used as a foundation for b...20.6 DVC CLI and Python APIDVC ships as a CLI plus a Python API (`dvc.api`). It tracks data and model files via pointers stored in Git...20.0 Lennox S30 Community APICommunity-maintained, reverse-engineered Python library for communicating with Lennox S30, S40, E30, and M3...19.6 FastMCP AppsFastMCP Apps is the framework's runtime for building interactive applications rendered directly inside MCP ...19.5 FastMCP ClientThe FastMCP Client is a Python client library for talking to any MCP server — local or remote — with full p...19.5 FastMCP ServerThe FastMCP Server is the Python entry point for exposing tools, resources, prompts, and apps to any Model ...19.5 Apache Libcloud Compute APIThe Libcloud Compute API provides a unified Python interface for managing virtual machine instances, images...19.3 Apache Libcloud DNS APIThe Libcloud DNS API provides a unified Python interface for managing DNS zones and records across Route53,...19.3 Apache Libcloud Storage APIThe Libcloud Storage API provides a unified Python interface for object storage operations across AWS S3, A...19.3 GuppyGuppy (`guppylang`) is Quantinuum's Pythonic quantum-classical programming language. Guppy programs compile...19.3 Tradeweb Python APIPython API enabling seamless integration between trading strategies and Tradeweb execution. Allows direct c...19.2 Strawberry GraphQL APICode-first GraphQL API built with Strawberry, using Python type hints and dataclasses to define schemas. Su...19.1 FastParquet Python APIAlternative Python implementation for Parquet files.17.6 PyArrow Parquet Python APIPython library for reading and writing Parquet files, distributed as part of Apache Arrow.17.6 HTTPXHTTPX is a fully featured HTTP client library for Python 3 with sync and async APIs, HTTP/1.1 and HTTP/2 su...16.9 Patch-CLIP Embedding ModelPython research project from the Siemens-Healthineers GitHub org that extends the CLIP architecture with pa...16.8 NamekoNameko is a microservices framework for Python that provides tools for building, testing, and running servi...16.5 Superduper FrameworkOpen-source Python framework (superduper-framework) for declaring AI models, embeddings, vector indexes, RA...16.4 LeapYear Python ClientThe first-party Python client library for LeapYear Core. The Client class opens an authenticated connection...15.7 FastAPI FrameworkModern, fast web framework for building APIs with Python based on standard Python type hints.15.5 Tripo Python SDKOfficial Python SDK wrapping the Tripo OpenAPI. Provides synchronous and asynchronous clients, typed task h...15.2 Wagtail API v2The Wagtail REST API v2 exposes site content — pages, images, documents, and redirects — as JSON. Endpoints...14.6 Wagtail API v3Wagtail API v3, a preview introduced in Wagtail 8.0 and built on Django Ninja, adds authenticated CMS write...14.6 Patronus Python SDKThe Patronus Python SDK provides decorators and clients for instrumenting LLM applications, running evaluat...13.9 NumPy APICore numerical computing library for Python providing multi-dimensional arrays and mathematical functions.13.4 Connexion Python FrameworkConnexion is a contract-first Python web framework that loads an OpenAPI specification and routes requests ...13.2 Matplotlib Core APIPython API for creating publication-quality figures and plots, including the pyplot state-based interface a...12.9 connect-pythonConnect for Python (beta) provides Connect protocol and gRPC clients generated from Protobuf schemas. Targe...12.5 Overture Maps Python CLIOpen-source Python command-line tool and library for downloading and querying Overture data. Maintained at ...12.2 Beautiful SoupBeautiful Soup 4 is a Python library providing a parse tree API for HTML and XML documents. It exposes Tag,...12.0 Gretel Python Client SDKPython SDK and CLI (gretel-client) for interacting with Gretel APIs. Provides a high-level Gretel interface...11.9 py-qua-toolsToolbox of Python utilities for QUA experiments — analog filters, mixer calibration, plotting, calibration ...11.4 qm-qua Python SDKOfficial Python SDK for the QUA pulse-level programming language. Provides the QuantumMachinesManager clien...11.4

Minimal 9 Almost no public developer surface

MayStreet Market Data Lake Query APIQuery access to MayStreet's 20+ petabyte Market Data Lake of historical exchange data captured as PCAP and ...9.8 pvfactorspvfactors is an open-source Python library for modeling diffuse shading and bifacial photovoltaic (PV) irra...9.5 PVMismatchPVMismatch is an open-source Python library for calculating mismatch losses in photovoltaic systems. It mod...9.5 SolarUtilsSolarUtils is an open-source Python package providing solar position algorithms and utility functions for s...9.5 TruLens (Open Source)Open-source Python library for evaluating and tracking LLM applications. Provides feedback functions (groun...7.9 Maya Commands (Python)Python command interface (maya.cmds) providing access to all MEL commands through Python, enabling scriptin...6.0 Maya Python API 1.0Original Python wrapper for the Maya C++ API providing access to OpenMaya, OpenMayaUI, OpenMayaAnim, OpenMa...6.0 Maya Python API 2.0Modern Python API for Maya scripting and plugin development, offering improved performance and a more Pytho...6.0 Fauna Python DriverThe Fauna Python Driver is the official client SDK for accessing Fauna from Python applications. It provide...0.0

Companies reaching this through an API (135)

These companies publish an API, specification or operation carrying “Python” but do not classify their business under it. Listed unranked and kept out of the count above, because one tagged operation is not a statement about what a company does.

Academy Software Foundation AgentOps AgiBot AI Habitat AI21 Labs Alliance for OpenUSD Analog Devices Anomaly Detection Ansible Playbooks Apache Iceberg Apache Parquet Apache SystemDS Apache TinkerPop Apache TVM Arcjet Authsignal Autodesk Maya AutoRest Band Protocol Barndoor BentoML Boston Dynamics Canvas Medical Check Cisco Nexus Dashboard Clerk CloudBees CloudEvents Connect-RPC Copernicus Marine Cradlepoint Dagger DataHub Dataiku Deepchecks Docling DVC Esri Evals Eventbrite EvolutionaryScale Fauna Felt Formant Goldman Sachs Golioth Google Gemini Google Quantum AI GOV.UK Notify Gretel

Show all 135 companies ↓

HashiCorp Nomad Haystack / deepset Hugging Face Transformers Hyperliquid In-Toto Jentic Juniper Networks Kalshi Kubeflow Pipelines LanceDB Lennox International LF AI and Data Linode Livepeer Llamaindex MATLAB Maya MayStreet Mercado Pago Microsoft Azure Quantum Microsoft SQL Server Modal Model Context Protocol (MCP) Moov MOSTLY AI Neo4j Nokia Nomic AI NumPy OneTick (OneMarketData) OpenHands Opentrons Oracle WebLogic Server Overture Maps Foundation Patronus AI PhonePe Pipecat Planet Labs Polymarket Quantinuum Quantum Machines QuEra Computing Refinitiv Refinitiv Eikon Refuel RudderStack Runway Scalability Testing Scalable Inference Serving Scalar Schemathesis Scrapfly Sideko Siemens Healthineers Split Starknet Stigg Subversion Superduper Superlinked Surge AI Sweep Sync Labs Tableau Tableau Desktop The Update Framework (TUF) TiKV Tonic.ai Tradeweb Trieve Tripo AI TruEra (Snowflake) turbopuffer Tuva Health University of Pennsylvania University of Pittsburgh Vantor Veritas Cluster Server Vocode Voyage AI WattTime Weights and Biases what3words Xanadu ZenRows

Score breakdown

Frequency

62.3

log-scaled weighted occurrences

Breadth

1.4

spread across providers

Quality lift

27.0

mean composite of providers using it

Cohesion

13.8

strength of nearest seed neighbor

Where this tag comes from

Api tag204

Provider tag112

Openapi tag2

Openapi op tag2

Cohort brief

Auto-generated

The 104 providers in the APIs.io catalog tagged Python, scored on the Kin Score. Every figure below is computed from the catalog — nothing here is written.

Providers

104

of 112 in the catalog

Mean Kin Score

27.8

+3.7 vs catalog 24.1

Mean Agent Readiness

10.8

-3.3 vs catalog 14.1

Spread

0–65.1

median 26 · σ 15

How the 104 split by band

Exemplar 0Strong 6Developing 17Thin 28Emerging 40Minimal 13

Facet averages, against the whole catalog

Facet	This cohort	Catalog	Difference	Scored
Developer Ergonomics	38.9	24.5	+14.4	104
Operational Transparency	23.1	13.2	+9.9	104
Discoverability	60.2	59.1	+1.1	104
Contract Quality	18.4	18.6	-0.2	104
Contract Governance	8.1	9.7	-1.6	104
Access Clarity	24.2	30	-5.8	104

A facet is averaged over the members that carry it, not over the whole cohort — the “Scored” column is that count. Averaging an absent facet as zero would score our own coverage gaps as the providers’ posture.

What this cohort publishes

Artifact	This cohort	Catalog	Difference
MCP server (any)	17%	18%	-1
MCP server (first-party)	18%	16%	+2
Agent Skills	0%	0%	0
OAuth scopes	7%	13%	-6
Security	95%	99%	-4
Arazzo workflows	3%	1%	+2
Governance rules	38%	36%	+2

mcp_pct counts any mcp/ artifact including ones API Evangelist derived from the provider OpenAPI; mcp_first_party_pct counts only servers the provider publishes. Prefer the latter.

Top by Kin Score

1 Prefect 65.1
2 Anaconda 63.4
3 Tower 62.8
4 Posit 62.5
5 Chroma 59.2
6 ZenML 58.8
7 Pixeltable 53.5
8 PydanticAI 52.9
9 Google Colab 52
10 pdfops-dev 49.7

Work with this as data

Every tag here is available over the APIs.io API and to AI agents over MCP.

MCP server

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https://apis.io/mcp

Tools for tags

7 MCP tools reach this

find_tagsBrowse and filter every tag in the catalog.
get_cohortThis tag as a scored cohort — every provider carrying it, with scores.
cohort_statsPRO — the distribution across this tag: mean, median, band split, adoption rates.
cohort_rankingsPRO — the leaderboard, on composite AND agent-readiness axes.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

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This tag

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Python

Providers using this tag (112)

APIs with this tag (204)