SCADA

SCADA (Supervisory Control and Data Acquisition) is an industrial control system architecture used to monitor and control industrial processes, infrastructure, and facility-based equipment. It is widely used in manufacturing, energy, water treatment, oil and gas, transportation, and other critical infrastructure sectors to collect real-time data from remote sensors and control equipment. Modern SCADA systems increasingly expose REST APIs, OPC-UA endpoints, and MQTT brokers for integration with enterprise systems, cloud platforms, and AI/ML workloads.

SCADA is listed with 5 APIs on the APIs.io network. Tagged areas include Critical Infrastructure, ICS, Industrial Automation, Industrial IoT, and OT Security.

The SCADA catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

SCADA’s developer surface includes documentation, GitHub presence, and 9 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

15.9/100 emerging ▬ flat Agent 1/100 human only Front door AI 4/6 moderate Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreemium

5 APIs

Critical InfrastructureICSIndustrial Automation Industrial IoT OT Security SCADA

Kin Score

Kin Score How this is scored →
scored 2026-11-13 · rubric v0.28.0

Composite quality — 15.9/100 · emerging

Contract Quality 3.1 / 21

Developer Ergonomics 1.6 / 17

Access Clarity 1.1 / 17

Operational Transparency 1.3 / 11

Contract Governance 2.4 / 10

Discoverability 5.3 / 9

Regulatory Posture 0.7 / 15

Agent readiness — 1/100 · 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 Well-Known Document 0 / 5

Pagination 5 / 5

Distinct Operations 3 / 3

MCP Tool Quality 6 / 6

Regulatory Posture applies to this provider. Its tags matched the Horizontal (data, software, accessibility, platform) regime, so Regulatory Posture carries 15 points of the composite. If this regime is wrong for your business, say so on your provider repo — the applicability map is public and we will correct it.

Create-or-Update Ergonomics could not be measured. We hold no machine-readable contract for this provider to read, so there is nothing to measure a write surface against. Excluded rather than scored zero: never-measured and measured-empty are different facts. Publishing an OpenAPI is what makes this facet — and several others — scorable at all.

The six quality facets above are damped to 85 points between them, because the conditional facet above carries the other 15. That is why each facet's contribution is shown against a damped maximum: raising a quality facet moves the composite by 85% of its nominal weight, not 100%. The full arithmetic is at apis.io/rating/.

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Agent readiness — checks not met, largest first (exact, from this profile):

Machine-Readable Contract +18 pts — api_specs includes an OpenAPI document Ask about this →
MCP Server +12 pts — deployment.mode + probe verdict on the mcp/ manifest, not the pointer; an unprobed slug falls back to authorship Ask about this →
Agentic Access Contract +10 pts — agentic_access artifact present (x-agentic-access), graded by author Ask about this →
Machine-Readable Auth +10 pts — a served openid-configuration/oauth-authorization-server carrying `issuer` (served), else the securitySchemes class in the provider OpenAPIs — bound (mutualTLS, DPoP, Signature) > negotiable (oauth2 authorizationCode/clientCredentials, openIdConnect) > bearer (http bearer, apiKey) Ask about this →
Idempotency +9 pts — OpenAPI mutating operations declare an idempotency key — a header, a request-body property, or a named de-duplication token whose own description says so (verified); else common[].type matches /idempoten/i (documented) Ask about this →
Stable Error Semantics +8 pts — OpenAPI $refs a shared error schema across 4xx/5xx responses (verified), else common[].type includes ErrorCatalog / ErrorCodes / DeclineCodes Ask about this →

12 more unmet checks in the Agent Readiness table above.

Kin Score — facets with the most composite points still available (weight × headroom):

Contract Quality scores 14.7 — up to +21.3 composite points Ask about this →
Access Clarity scores 6.4 — up to +18.7 composite points Ask about this →
Developer Ergonomics scores 9.5 — up to +18.1 composite points Ask about this →

Each check links to what satisfies it. Publish the artifact, or tell us where it already lives, and the score moves on the next scoring run.

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Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. Every facet and dimension name above is a link: it opens that measurement's own page — what it means, the exact checks that feed it, how the whole catalog distributes on it, and the providers at the top of it. This rating is computed from the provider profile at artifacts.apis.io/scada/apis.yml: open an issue on github.com/api-evangelist/scada to ask a question or point us at an artifact you publish. Submit an artifact on GitHub — free → Manage your own listing — the Influence plan, $499/mo →

Standards implemented 1

Standards this provider implements or carries. De facto ones are profiled and measured by the API Commons; formal ones come from the standards directory and are linked by the provider's own tags. The evidence column says how each claim was established — not that it was made.

SCADA

tagged — the provider's own APIs.json carries the standard as a tag; implementation not verified

APIs 5

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

OPC Unified Architecture (OPC-UA)

OPC-UA (IEC 62541) is the industrial interoperability standard for secure, reliable data exchange in industrial automation and IoT environments. It provides a platform-independe...

MQTT Protocol

MQTT (Message Queuing Telemetry Transport, ISO/IEC 20922) is a lightweight pub/sub messaging protocol widely used in SCADA and IIoT applications for sensor data collection and d...

Modbus Protocol

Modbus is a serial communication protocol widely used in industrial automation and SCADA systems for connecting electronic devices. Modbus TCP/IP enables integration over standa...

Ignition SCADA REST API

Inductive Automation's Ignition SCADA platform provides a REST API for reading and writing tag values, managing alarms, retrieving historical data, and controlling system resour...

Historian and Alarm Data APIs

SCADA historians store time-series process data for analysis, reporting, and compliance. Major historian vendors (OSIsoft PI, Aspen InfoPlus.21, GE Proficy Historian) expose RES...

SCADA API pricing

Not yet checked against SCADA's own pricing page. Compiled by API Evangelist on 2026-05-04; confirm before you rely on a figure. A free plan or tier is listed.

Plan	Price
Free freemium	Free
Professional paid	Free
Enterprise enterprise	—

Plan details, limits and sources →

Rate limits

Free Tier Default: 10 requests per minute
Free Tier Monthly Quota: 1000 requests per month
Professional Tier Default: 100 requests per minute

Compiled by API Evangelist, not yet checked against SCADA's documentation. All 5 limits →

Pricing Plans 1

Published pricing tiers and plan structures.

SCADA Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

SCADA Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

SCADA Finops

FINOPS

Semantic Vocabularies 1

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

Scada Context

6 classes · 23 properties

JSON-LD

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs. Counts are the severity each rule declares, not results of running them.

SCADA — jsonschema rules

5 rules · 3 warn-severity 2 info-severity

SPECTRAL

JSON Schema 2

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

ScadaAlarm

16 properties

JSON SCHEMA

ScadaTag

12 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

SCADA Tag Structure

0 properties

JSON STRUCTURE

Examples 1

Example request and response payloads for these APIs.

SCADA Tag Reading Example

4 fields

EXAMPLE

Security Posture 1

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

SCADA Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Vocabulary

Vocabulary

JSONLD

JSONLD

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

RateLimits

RateLimits

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

FinOps

FinOps

Company 1

The organization behind the API

Website

Website

Other 2

Properties that don't map to a standard resource type

Standards Body

Standards Body

Standards Body

Standards Body

Source (apis.yml)

aid: scada
name: SCADA
description: SCADA (Supervisory Control and Data Acquisition) is an industrial control system architecture used to monitor
  and control industrial processes, infrastructure, and facility-based equipment. It is widely used in manufacturing, energy,
  water treatment, oil and gas, transportation, and other critical infrastructure sectors to collect real-time data from remote
  sensors and control equipment. Modern SCADA systems increasingly expose REST APIs, OPC-UA endpoints, and MQTT brokers for
  integration with enterprise systems, cloud platforms, and AI/ML workloads.
type: Index
deliveryModel:
  model: unknown
  license_evidence:
    not_product:
    - topics/scada
  open_source: unknown
  commercial: false
  callable_host: false
  label: Delivery model not determined — needs a product licence on record
  confidence: low
  source:
  - repository-not-product
  generated: '2026-09-25'
  method: derived
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: low
  source:
  - plans
  - security
  generated: '2026-11-13'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/scada.png
tags:
- Critical Infrastructure
- ICS
- Industrial Automation
- Industrial IoT
- OT Security
- SCADA
url: https://raw.githubusercontent.com/api-evangelist/scada/refs/heads/main/apis.yml
created: '2025-01-01'
modified: '2026-05-02'
specificationVersion: '0.23'
apis:
- aid: scada:opc-ua
  name: OPC Unified Architecture (OPC-UA)
  description: OPC-UA (IEC 62541) is the industrial interoperability standard for secure, reliable data exchange in industrial
    automation and IoT environments. It provides a platform-independent, service-oriented architecture for accessing real-time
    and historical data from PLCs, sensors, and SCADA systems. OPC-UA supports both client/server and pub/sub communication
    models.
  humanURL: https://opcfoundation.org/about/opc-technologies/opc-ua/
  tags:
  - IEC 62541
  - Industrial Interoperability
  - OPC UA
  - Real-Time Data
  tags_raw:
  - IEC 62541
  - Industrial Interoperability
  - OPC-UA
  - Real-Time Data
  properties:
  - type: Documentation
    url: https://opcfoundation.org/about/opc-technologies/opc-ua/
  - type: Specification
    url: https://reference.opcfoundation.org/Core/Part1/v105/docs/
- aid: scada:mqtt
  name: MQTT Protocol
  description: MQTT (Message Queuing Telemetry Transport, ISO/IEC 20922) is a lightweight pub/sub messaging protocol widely
    used in SCADA and IIoT applications for sensor data collection and device control. MQTT brokers (Mosquitto, EMQX, HiveMQ)
    are commonly deployed in SCADA architectures for real-time telemetry streaming.
  humanURL: https://mqtt.org/
  tags:
  - IoT
  - MQTT
  - Messaging
  - Pub/Sub
  - Telemetry
  tags_raw:
  - IoT
  - MQTT
  - Messaging
  - Pub/Sub
  - Telemetry
  properties:
  - type: Documentation
    url: https://mqtt.org/
  - type: Specification
    url: https://docs.oasis-open.org/mqtt/mqtt/v5.0/mqtt-v5.0.html
- aid: scada:modbus
  name: Modbus Protocol
  description: Modbus is a serial communication protocol widely used in industrial automation and SCADA systems for connecting
    electronic devices. Modbus TCP/IP enables integration over standard Ethernet networks, making it one of the most common
    field device protocols in SCADA deployments.
  humanURL: https://modbus.org/
  tags:
  - Field Protocol
  - Industrial Automation
  - Modbus
  - PLC
  properties:
  - type: Documentation
    url: https://modbus.org/
  - type: Specification
    url: https://modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf
- aid: scada:ignition-api
  name: Ignition SCADA REST API
  description: Inductive Automation's Ignition SCADA platform provides a REST API for reading and writing tag values, managing
    alarms, retrieving historical data, and controlling system resources. Ignition is one of the most widely deployed SCADA
    platforms in North America.
  humanURL: https://docs.inductiveautomation.com/
  baseURL: https://{ignition-host}/system/webdev
  tags:
  - Ignition
  - Industrial Automation
  - SCADA Platform
  properties:
  - type: Documentation
    url: https://docs.inductiveautomation.com/
- aid: scada:had-api
  name: Historian and Alarm Data APIs
  description: SCADA historians store time-series process data for analysis, reporting, and compliance. Major historian vendors
    (OSIsoft PI, Aspen InfoPlus.21, GE Proficy Historian) expose REST APIs for querying historical process data. The OSIsoft
    PI Web API provides a RESTful interface to PI System data assets.
  humanURL: https://techsupport.osisoft.com/Documentation/PI-Web-API/
  tags:
  - Historian
  - OSIsoft PI
  - Time Series
  tags_raw:
  - Historian
  - OSIsoft PI
  - Time-Series
  properties:
  - type: Documentation
    url: https://techsupport.osisoft.com/Documentation/PI-Web-API/
common:
- type: Plans
  url: plans/scada-plans-pricing.yml
- type: RateLimits
  url: rate-limits/scada-rate-limits.yml
- type: FinOps
  url: finops/scada-finops.yml
- type: DomainSecurity
  url: security/scada-domain-security.yml
- type: Website
  url: https://www.isa.org/
- type: Standards Body
  url: https://opcfoundation.org/
- type: Standards Body
  url: https://www.iec.ch/
- type: Documentation
  url: https://www.cisa.gov/topics/industrial-control-systems
- type: GitHub
  url: https://github.com/topics/scada
- type: Vocabulary
  url: vocabulary/scada-vocabulary.yml
- type: JSONLD
  url: json-ld/scada-context.jsonld
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

SCADA API — frequently asked questions

Does SCADA have an API?

Yes. APIs.io lists 5 APIs from SCADA, including OPC Unified Architecture (OPC-UA), MQTT Protocol and Modbus Protocol, and 2 more.

How much does the SCADA API cost?

APIs.io lists 3 pricing plans for SCADA, with each plan's price, limits and inclusions under Pricing on this page.

Is the SCADA API ready for AI agents?

SCADA has a Kin Score of 15.9 out of 100 (emerging) and an Agent Readiness score of 0.6 (human-only), scored by API Evangelist on 2026-11-13.

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