Streamlit website screenshot

Streamlit

Streamlit is an open-source Python framework that makes it easy to build and share beautiful, custom web apps for machine learning and data science. With Streamlit, you can turn data scripts into shareable web applications in minutes without needing front-end experience. Streamlit Community Cloud provides free hosting for Streamlit apps directly from GitHub repositories. The framework offers a Python API for displaying data, creating interactive widgets, caching computation, and connecting to databases and APIs.

Streamlit publishes 3 APIs on the APIs.io network: Apps API, Secrets API, and Workspaces API. Tagged areas include Data Science, Machine-Learning, Open-Source, Python, and Web Applications.

The Streamlit catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Streamlit’s developer surface includes authentication, documentation, GitHub presence, engineering blog, changelog, signup flow, and 14 more developer resources.

45.0/100 developing ▬ flat Agent 20/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessFreemiumSelf serve⚡ Free to try
4 APIs
Data ScienceMachine-LearningOpen-SourcePythonWeb Applications

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 45.0/100 · developing
Contract Quality 15.1 / 25
Developer Ergonomics 5.7 / 20
Access Clarity 11.6 / 20
Operational Transparency 3.8 / 13
Contract Governance 1.6 / 12
Discoverability 7.2 / 10
Agent readiness — 20/100 · agent aware
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
Documented Reversibility 0 / 6
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Delegated User Identity 0 / 6
Protected Resource Metadata 0 / 5
Registration Without a Human 0 / 6
Agentic Commerce Surface 0 / 5
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/streamlit: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Streamlit Python API

The Streamlit Python library API provides a rich set of functions for building interactive data applications. Organized by activity type: display data (st.write, st.dataframe, s...

Streamlit Apps API

Manage Streamlit applications deployed on Community Cloud. Deploy, list, restart, and delete apps connected to GitHub repositories.

Streamlit Secrets API

Manage secrets for Streamlit applications. Secrets are environment variables securely injected into the application at runtime via st.secrets.

Streamlit Workspaces API

Manage Streamlit Community Cloud workspaces and their settings.

Open Collections 5

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

API Collection

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Streamlit Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Streamlit Context

0 classes · 2 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Streamlit API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Streamlit API Rules

8 rules · 2 errors 4 warnings 2 info

SPECTRAL

JSON Schema 1

Standalone JSON Schema definitions for this provider's data models.

Streamlit Community Cloud App

10 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Streamlit App Structure

0 properties

JSON STRUCTURE

Examples 2

Example request and response payloads for these APIs.

Security Posture 3

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Streamlit Authentication

http · 1 scheme

SECURITY

Streamlit Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Streamlit Trust Center

SOC 2, ISO 27001

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Streamlit Agentic Access

8 operations · 4 acting

8 operations · 4 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

Documentation 3

Reference material describing how the API behaves

Agent Surfaces 2

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 1

Pagination, idempotency, versioning, errors, and events

Build 1

SDKs, sample code, and the tooling you integrate with

Access & Security 3

Authentication, authorization, and security posture

Operate 2

Status, limits, changes, and where to get help

Commercial 2

Pricing, plans, and the legal terms of use

Company 3

The organization behind the API

Other 2

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: streamlit
name: Streamlit
description: Streamlit is an open-source Python framework that makes it easy to build and share beautiful, custom web apps
  for machine learning and data science. With Streamlit, you can turn data scripts into shareable web applications in minutes
  without needing front-end experience. Streamlit Community Cloud provides free hosting for Streamlit apps directly from GitHub
  repositories. The framework offers a Python API for displaying data, creating interactive widgets, caching computation,
  and connecting to databases and APIs.
url: https://raw.githubusercontent.com/api-evangelist/streamlit/refs/heads/main/apis.yml
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://streamlit.io/images/brand/streamlit-mark-color.png
tags:
- Data Science
- Machine-Learning
- Open-Source
- Python
- Web Applications
tags_raw:
- Data Science
- Machine Learning
- Open Source
- Python
- Web Applications
type: Index
access: 3rd-Party
position: Consumer
created: '2025-02-12'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: streamlit:streamlit-python-api
  name: Streamlit Python API
  description: 'The Streamlit Python library API provides a rich set of functions for building interactive data applications.
    Organized by activity type: display data (st.write, st.dataframe, st.table), input widgets (st.button, st.slider, st.selectbox),
    layout (st.columns, st.tabs, st.sidebar), media (st.image, st.video, st.audio), charts (st.line_chart, st.bar_chart, st.map),
    and performance (st.cache_data, st.cache_resource). Also includes connection management via st.connection.'
  humanURL: https://docs.streamlit.io/develop/api-reference
  tags:
  - Data Science
  - Machine-Learning
  - Open-Source
  - Python
  - Web Applications
  tags_raw:
  - Data Science
  - Machine Learning
  - Open Source
  - Python
  - Web Applications
  properties:
  - type: Documentation
    url: https://docs.streamlit.io/develop/api-reference
  - type: GitHub
    url: https://github.com/streamlit/streamlit
  - type: ChangeLog
    url: https://docs.streamlit.io/develop/quick-reference/changelog
- aid: streamlit:streamlit-apps-api
  name: Streamlit Apps API
  description: Manage Streamlit applications deployed on Community Cloud. Deploy, list, restart, and delete apps connected
    to GitHub repositories.
  humanURL: https://docs.streamlit.io/develop/api-reference
  baseURL: https://api.streamlit.io/v1
  tags:
  - Application
  tags_raw:
  - Apps
  properties:
  - type: OpenAPI
    url: openapi/streamlit-apps-api-openapi.yml
  - type: Documentation
    url: https://docs.streamlit.io/deploy/streamlit-community-cloud/manage-your-app
- aid: streamlit:streamlit-secrets-api
  name: Streamlit Secrets API
  description: Manage secrets for Streamlit applications. Secrets are environment variables securely injected into the application
    at runtime via st.secrets.
  humanURL: https://docs.streamlit.io/develop/api-reference
  baseURL: https://api.streamlit.io/v1
  tags:
  - Secrets
  properties:
  - type: OpenAPI
    url: openapi/streamlit-secrets-api-openapi.yml
  - type: Documentation
    url: https://docs.streamlit.io/deploy/streamlit-community-cloud/manage-your-app
- aid: streamlit:streamlit-workspaces-api
  name: Streamlit Workspaces API
  description: Manage Streamlit Community Cloud workspaces and their settings.
  humanURL: https://docs.streamlit.io/develop/api-reference
  baseURL: https://api.streamlit.io/v1
  tags:
  - Workspaces
  properties:
  - type: OpenAPI
    url: openapi/streamlit-workspaces-api-openapi.yml
  - type: Documentation
    url: https://docs.streamlit.io/deploy/streamlit-community-cloud/manage-your-app
common:
- type: AgenticAccess
  url: agentic-access/streamlit-agentic-access.yml
- type: TrustCenter
  url: security/streamlit-trust-center.yml
- type: DomainSecurity
  url: security/streamlit-domain-security.yml
- type: Authentication
  url: authentication/streamlit-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/streamlit
- type: Website
  url: https://streamlit.io
- type: Documentation
  url: https://docs.streamlit.io
- type: GitHub
  url: https://github.com/streamlit/streamlit
- type: Forums
  url: https://discuss.streamlit.io
- type: Blog
  url: https://blog.streamlit.io
- type: Gallery
  url: https://streamlit.io/gallery
- type: ChangeLog
  url: https://docs.streamlit.io/develop/quick-reference/changelog
- type: TermsOfService
  url: https://streamlit.io/terms-of-use
- type: PrivacyPolicy
  url: https://streamlit.io/privacy-policy
- type: Signup
  url: https://share.streamlit.io/signup
- type: PyPI
  url: https://pypi.org/project/streamlit/
- type: OpenAPI
  url: https://raw.githubusercontent.com/api-evangelist/streamlit/refs/heads/main/openapi/streamlit-cloud-openapi.yml
- type: JSONSchema
  url: https://raw.githubusercontent.com/api-evangelist/streamlit/refs/heads/main/json-schema/streamlit-app-schema.json
- type: JSONLDContext
  url: https://raw.githubusercontent.com/api-evangelist/streamlit/refs/heads/main/json-ld/streamlit-context.jsonld
- type: LlmsText
  url: https://docs.streamlit.io/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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