IBM Watson

IBM Watson is IBM's AI and machine learning platform offering a suite of cloud-based services including natural language processing, speech recognition, visual recognition, and other AI-powered capabilities for building intelligent applications.

IBM Watson publishes 4 APIs on the APIs.io network. Tagged areas include Artificial Intelligence, IBM, Machine-Learning, Natural Language Processing, and Speech Recognition.

IBM Watson’s developer surface includes developer portal, documentation, getting-started guide, support, pricing, and 6 more developer resources.

🌐 Visit website 📡 Source on GitHub

20.2/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

4 APIs

Artificial Intelligence IBM Machine-Learning Natural Language Processing Speech Recognition

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 20.2/100 · emerging

Contract Quality 0.0 / 25

Developer Ergonomics 7.1 / 20

Access Clarity 5.3 / 20

Operational Transparency 1.4 / 13

Contract Governance 0.0 / 12

Discoverability 6.5 / 10

Agent readiness — 3/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 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/ibm-watson: 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.

Rate Limits 1

Documented rate limits and quota policies.

Ibm Watson Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Get Started 2

Portal, sign-up, and the first successful call

Portal

Portal

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 1

Pricing, plans, and the legal terms of use

Pricing

Pricing

Company 2

The organization behind the API

LinkedIn

Website

Website

Other 1

Properties that don't map to a standard resource type

ParentCompany

ParentCompany

Source (apis.yml)

aid: ibm-watson
name: IBM Watson
description: IBM Watson is IBM's AI and machine learning platform offering a suite of cloud-based services including natural
  language processing, speech recognition, visual recognition, and other AI-powered capabilities for building intelligent
  applications.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/ibm-watson.png
tags:
- Artificial Intelligence
- IBM
- Machine-Learning
- Natural Language Processing
- Speech Recognition
tags_raw:
- Artificial Intelligence
- IBM
- Machine Learning
- Natural Language Processing
- Speech Recognition
url: https://raw.githubusercontent.com/api-evangelist/ibm-watson/refs/heads/main/apis.yml
created: '2024-03-30'
modified: '2026-08-21'
specificationVersion: '0.23'
apis:
- aid: ibm-watson:ibm-watson-speech-to-text
  name: IBM Watson Speech to Text
  description: Convert speech into text using AI-powered speech recognition and transcription. The service uses machine learning
    to combine knowledge of grammar, language structure, and audio signal composition to accurately transcribe human voice.
  humanURL: https://www.ibm.com/products/speech-to-text
  tags:
  - Artificial Intelligence
  - Speech Recognition
  - Transcription
  tags_raw:
  - AI
  - Speech Recognition
  - Transcription
  properties:
  - type: Documentation
    url: https://cloud.ibm.com/apidocs/speech-to-text
  - type: GettingStarted
    url: https://cloud.ibm.com/docs/speech-to-text?topic=speech-to-text-gettingStarted
- aid: ibm-watson:ibm-watson-text-to-speech
  name: IBM Watson Text to Speech
  description: Convert written text to natural-sounding audio in a variety of languages and voices. The service synthesizes
    natural language text to audio using deep learning AI for lifelike speech synthesis.
  humanURL: https://www.ibm.com/products/text-to-speech
  tags:
  - Artificial Intelligence
  - Speech Synthesis
  - Text-to-Speech
  tags_raw:
  - AI
  - Speech Synthesis
  - Text to Speech
  properties:
  - type: Documentation
    url: https://cloud.ibm.com/apidocs/text-to-speech
  - type: GettingStarted
    url: https://cloud.ibm.com/docs/text-to-speech?topic=text-to-speech-gettingStarted
- aid: ibm-watson:ibm-watson-natural-language-understanding
  name: IBM Watson Natural Language Understanding
  description: Analyze text to extract metadata from content such as concepts, entities, keywords, categories, sentiment,
    emotion, relations, and semantic roles.
  humanURL: https://www.ibm.com/products/natural-language-understanding
  tags:
  - Artificial Intelligence
  - Natural Language Processing
  - Text Analysis
  tags_raw:
  - AI
  - Natural Language Processing
  - Text Analysis
  properties:
  - type: Documentation
    url: https://cloud.ibm.com/apidocs/natural-language-understanding
  - type: GettingStarted
    url: https://cloud.ibm.com/docs/natural-language-understanding?topic=natural-language-understanding-getting-started
- aid: ibm-watson:ibm-watson-assistant
  name: IBM Watson Assistant
  description: Build, train, and deploy conversational interactions into any application, device, or channel. Create AI-powered
    virtual agents that understand natural language and provide helpful responses.
  humanURL: https://www.ibm.com/products/watson-assistant
  tags:
  - Chatbots
  - Conversational AI
  - Virtual Assistant
  tags_raw:
  - Chatbot
  - Conversational AI
  - Virtual Assistant
  properties:
  - type: Documentation
    url: https://cloud.ibm.com/apidocs/assistant-v2
  - type: GettingStarted
    url: https://cloud.ibm.com/docs/watson-assistant?topic=watson-assistant-getting-started
common:
- type: ParentCompany
  url: https://apis.io/providers/ibm/
  name: Ibm
  x-relationship: product
  x-generated-by: ibm-family:2026-08-21
- type: VulnerabilityDisclosure
  url: security/ibm-watson-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/ibm-watson-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/ibm-watson
- type: LinkedIn
  url: https://www.linkedin.com/showcase/ibm-watsonx
- type: Website
  url: https://www.ibm.com/watson
- type: Portal
  url: https://cloud.ibm.com/developer/watson/
- type: Documentation
  url: https://cloud.ibm.com/docs/watson
- type: GettingStarted
  url: https://cloud.ibm.com/developer/watson/documentation
- type: Support
  url: https://www.ibm.com/mysupport
- type: Pricing
  url: https://www.ibm.com/watson/pricing
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-parent: ibm
x-relationship: product

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IBM Watson

Kin Score

APIs 4

IBM Watson Speech to Text

IBM Watson Text to Speech

IBM Watson Natural Language Understanding

IBM Watson Assistant

Pricing Plans 1

Ibm Watson Plans Pricing