Microsoft Bot Framework

Microsoft Bot Framework provides APIs and SDKs for building conversational AI bots that work across multiple channels including Teams, Slack, and custom applications.

Microsoft Bot Framework publishes 4 APIs on the APIs.io network, including Activities API, Attachments API, Conversations API, and 1 more. Tagged areas include Bots, Conversational AI, Messaging, Bot Framework, and Direct Line.

Microsoft Bot Framework’s developer surface includes authentication, developer portal, pricing, support, and 7 more developer resources.

🌐 Visit website 📡 Source on GitHub

33.9/100 thin ▬ flat Agent 33/100 agent aware Full breakdown ↓
scored 2026-08-21 · rubric v0.12.0

AccessFreemiumSelf serve⚡ Free to try

6 APIs 1 MCP Servers

Bots Conversational AI MessagingBot FrameworkDirect Line

Kin Score

Kin Score How this is scored →
scored 2026-08-21 · rubric v0.12.0

Composite quality — 33.9/100 · thin

Contract Quality 12.3 / 25

Developer Ergonomics 5.2 / 20

Access Clarity 9.5 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 5.6 / 10

Agent readiness — 33/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 12 / 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

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/microsoft-bot-framework: 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 6

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

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Rate Limits 1

Documented rate limits and quota policies.

Microsoft Bot Framework Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Get Started 1

Portal, sign-up, and the first successful call

Portal

Portal

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

MCPServer

MCPServer

LlmsText

LlmsText

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 3

Pricing, plans, and the legal terms of use

Pricing

Pricing

TermsOfService

TermsOfService

PrivacyPolicy

PrivacyPolicy

Source (apis.yml)

aid: microsoft-bot-framework
url: https://raw.githubusercontent.com/api-evangelist/microsoft-bot-framework/refs/heads/main/apis.yml
name: Microsoft Bot Framework
description: Microsoft Bot Framework provides APIs and SDKs for building conversational AI bots that work across multiple
  channels including Teams, Slack, and custom applications.
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://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/microsoft-bot-framework.png
tags:
- Bots
- Conversational AI
- Messaging
- Bot Framework
- Direct Line
created: '2026-03-13'
modified: '2026-05-19'
specificationVersion: '0.23'
apis:
- aid: microsoft-bot-framework:direct-line
  name: Direct Line API
  description: Custom applications communicate directly with bots through REST and WebSocket connections.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-direct-line-3-0-concepts
  baseURL: https://directline.botframework.com/
  tags:
  - Bots
  - Direct Line
  - Custom Channels
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-direct-line-3-0-concepts
- aid: microsoft-bot-framework:bot-builder-sdk
  name: Bot Builder SDK
  description: Libraries for building conversational AI bots in C#, JavaScript, Python, and Java.
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  humanURL: https://learn.microsoft.com/en-us/azure/bot-service/index-bf-sdk
  tags:
  - Bots
  - SDK
  - Development Framework
  properties:
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/bot-service/index-bf-sdk
- aid: microsoft-bot-framework:microsoft-bot-framework-activities-api
  name: Microsoft Bot Framework Activities API
  description: The Activities API from Microsoft Bot Framework — 3 operation(s) for activities.
  humanURL: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
  baseURL: https://api.botframework.com/
  tags:
  - Activities
  properties:
  - type: OpenAPI
    url: openapi/microsoft-bot-framework-activities-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
- aid: microsoft-bot-framework:microsoft-bot-framework-attachments-api
  name: Microsoft Bot Framework Attachments API
  description: The Attachments API from Microsoft Bot Framework — 3 operation(s) for attachments.
  humanURL: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
  baseURL: https://api.botframework.com/
  tags:
  - Attachments
  properties:
  - type: OpenAPI
    url: openapi/microsoft-bot-framework-attachments-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
- aid: microsoft-bot-framework:microsoft-bot-framework-conversations-api
  name: Microsoft Bot Framework Conversations API
  description: The Conversations API from Microsoft Bot Framework — 1 operation(s) for conversations.
  humanURL: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
  baseURL: https://api.botframework.com/
  tags:
  - Conversations
  properties:
  - type: OpenAPI
    url: openapi/microsoft-bot-framework-conversations-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
- aid: microsoft-bot-framework:microsoft-bot-framework-members-api
  name: Microsoft Bot Framework Members API
  description: The Members API from Microsoft Bot Framework — 4 operation(s) for members.
  humanURL: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
  baseURL: https://api.botframework.com/
  tags:
  - Members
  properties:
  - type: OpenAPI
    url: openapi/microsoft-bot-framework-members-api-openapi.yml
  - type: Documentation
    url: https://learn.microsoft.com/en-us/azure/bot-service/rest-api/bot-framework-rest-connector-api-reference
common:
- type: AgenticAccess
  url: agentic-access/microsoft-bot-framework-agentic-access.yml
- type: DomainSecurity
  url: security/microsoft-bot-framework-domain-security.yml
- type: Authentication
  url: authentication/microsoft-bot-framework-authentication.yml
- type: Portal
  url: https://dev.botframework.com/
- type: GitHubOrganization
  url: https://github.com/microsoft/botframework-sdk
- type: Pricing
  url: https://azure.microsoft.com/en-us/pricing/details/bot-services/
- type: TermsOfService
  url: https://www.microsoft.com/en-us/legal/terms-of-use
- type: PrivacyPolicy
  url: https://privacy.microsoft.com/en-us/privacystatement
- type: Support
  url: https://support.microsoft.com/
- name: MCP Server
  url: https://github.com/microsoft/ignite25-LAB513-build-a2a-and-mcp-systems-using-swe-agents-and-agent-framework
  type: MCPServer
- type: LlmsText
  url: https://dev.botframework.com/llms.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

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