SPX Graphics

SPX Graphics is an open-source, browser-based graphics control system for live video productions and live streams. It provides a REST API for external control of graphics templates, rundowns, and playback via integrations with CasparCG, OBS, vMix, and similar broadcast software. SPX enables operators to trigger, control, and update live graphics overlays programmatically or via UI.

SPX Graphics publishes 5 APIs on the APIs.io network, including Data API, Extensions API, Files API, and 2 more. Tagged areas include Broadcast, Graphics, Live Production, Media, and Streaming.

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

SPX Graphics’ developer surface includes GitHub presence, documentation, engineering blog, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

28.2/100 thin ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemium

5 APIs

Broadcast GraphicsLive ProductionMedia Streaming Video Production Fortune 1000

Kin Score

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

Composite quality — 28.2/100 · thin

Contract Quality 13.6 / 25

Developer Ergonomics 2.4 / 20

Access Clarity 3.2 / 20

Operational Transparency 1.7 / 13

Contract Governance 1.6 / 12

Discoverability 5.7 / 10

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 6 / 6

MCP Server 0 / 12

Machine-Readable Auth 0 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 7 / 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/spx: 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 5

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

Rate Limits 1

Documented rate limits and quota policies.

Spx Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

JSON Schema 1

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

Examples 2

Example request and response payloads for these APIs.

Press 5

Recent news and press coverage referencing this provider.

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Other 1

Properties that don't map to a standard resource type

KnowledgeBase

KnowledgeBase

Source (apis.yml)

aid: spx
name: SPX Graphics
description: SPX Graphics is an open-source, browser-based graphics control system for live video productions and live streams.
  It provides a REST API for external control of graphics templates, rundowns, and playback via integrations with CasparCG,
  OBS, vMix, and similar broadcast software. SPX enables operators to trigger, control, and update live graphics overlays
  programmatically or via UI.
specificationVersion: '0.23'
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://spxgraphics.com/wp-content/uploads/2021/05/spx-logo.png
url: https://spxgraphics.com
created: '2026-05-02'
modified: '2026-05-19'
apis:
- aid: spx:spx-data-api
  name: SPX Graphics Data API
  description: Save and load custom JSON data
  tags:
  - Data
  properties:
  - type: OpenAPI
    url: openapi/spx-data-api-openapi.yml
  - type: Documentation
    url: https://spxgc.tawk.help/article/help-api
  - type: GitHub
    url: https://github.com/TuomoKu/SPX-GC
  - type: GettingStarted
    url: https://spxgc.tawk.help/article/help-intro
  - type: ChangeLog
    url: https://github.com/TuomoKu/SPX-GC/blob/master/RELEASE_NOTES.md
  - type: JSONSchema
    url: json-schema/spx-rundown-item-schema.json
  - type: JSONStructure
    url: json-structure/spx-rundown-item-structure.json
  - type: JSONLD
    url: json-ld/spx-context.jsonld
  - type: SpectralRules
    url: rules/spx-rules.yml
  - type: Vocabulary
    url: vocabulary/spx-vocabulary.yml
- aid: spx:spx-extensions-api
  name: SPX Graphics Extensions API
  description: Invoke functions in custom SPX extensions
  tags:
  - Extensions
  properties:
  - type: OpenAPI
    url: openapi/spx-extensions-api-openapi.yml
  - type: Documentation
    url: https://spxgc.tawk.help/article/help-api
  - type: GitHub
    url: https://github.com/TuomoKu/SPX-GC
  - type: GettingStarted
    url: https://spxgc.tawk.help/article/help-intro
  - type: ChangeLog
    url: https://github.com/TuomoKu/SPX-GC/blob/master/RELEASE_NOTES.md
  - type: JSONSchema
    url: json-schema/spx-rundown-item-schema.json
  - type: JSONStructure
    url: json-structure/spx-rundown-item-structure.json
  - type: JSONLD
    url: json-ld/spx-context.jsonld
  - type: SpectralRules
    url: rules/spx-rules.yml
  - type: Vocabulary
    url: vocabulary/spx-vocabulary.yml
- aid: spx:spx-files-api
  name: SPX Graphics Files API
  description: File listing from the ASSETS folder
  tags:
  - File
  tags_raw:
  - Files
  properties:
  - type: OpenAPI
    url: openapi/spx-files-api-openapi.yml
  - type: Documentation
    url: https://spxgc.tawk.help/article/help-api
  - type: GitHub
    url: https://github.com/TuomoKu/SPX-GC
  - type: GettingStarted
    url: https://spxgc.tawk.help/article/help-intro
  - type: ChangeLog
    url: https://github.com/TuomoKu/SPX-GC/blob/master/RELEASE_NOTES.md
  - type: JSONSchema
    url: json-schema/spx-rundown-item-schema.json
  - type: JSONStructure
    url: json-structure/spx-rundown-item-structure.json
  - type: JSONLD
    url: json-ld/spx-context.jsonld
  - type: SpectralRules
    url: rules/spx-rules.yml
  - type: Vocabulary
    url: vocabulary/spx-vocabulary.yml
- aid: spx:spx-item-api
  name: SPX Graphics Item API
  description: Control individual rundown items (play, stop, continue, update)
  tags:
  - Item
  properties:
  - type: OpenAPI
    url: openapi/spx-item-api-openapi.yml
  - type: Documentation
    url: https://spxgc.tawk.help/article/help-api
  - type: GitHub
    url: https://github.com/TuomoKu/SPX-GC
  - type: GettingStarted
    url: https://spxgc.tawk.help/article/help-intro
  - type: ChangeLog
    url: https://github.com/TuomoKu/SPX-GC/blob/master/RELEASE_NOTES.md
  - type: JSONSchema
    url: json-schema/spx-rundown-item-schema.json
  - type: JSONStructure
    url: json-structure/spx-rundown-item-structure.json
  - type: JSONLD
    url: json-ld/spx-context.jsonld
  - type: SpectralRules
    url: rules/spx-rules.yml
  - type: Vocabulary
    url: vocabulary/spx-vocabulary.yml
- aid: spx:spx-rundown-api
  name: SPX Graphics Rundown API
  description: Control rundown focus and item playback
  tags:
  - Rundown
  properties:
  - type: OpenAPI
    url: openapi/spx-rundown-api-openapi.yml
  - type: Documentation
    url: https://spxgc.tawk.help/article/help-api
  - type: GitHub
    url: https://github.com/TuomoKu/SPX-GC
  - type: GettingStarted
    url: https://spxgc.tawk.help/article/help-intro
  - type: ChangeLog
    url: https://github.com/TuomoKu/SPX-GC/blob/master/RELEASE_NOTES.md
  - type: JSONSchema
    url: json-schema/spx-rundown-item-schema.json
  - type: JSONStructure
    url: json-structure/spx-rundown-item-structure.json
  - type: JSONLD
    url: json-ld/spx-context.jsonld
  - type: SpectralRules
    url: rules/spx-rules.yml
  - type: Vocabulary
    url: vocabulary/spx-vocabulary.yml
common:
- type: AgenticAccess
  url: agentic-access/spx-agentic-access.yml
- type: DomainSecurity
  url: security/spx-domain-security.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/spxgraphics
- type: Website
  url: https://spxgraphics.com
- type: GitHub
  url: https://github.com/TuomoKu/SPX-GC
- type: Documentation
  url: https://spxgc.tawk.help/
- type: KnowledgeBase
  url: https://spxgc.tawk.help/
- url: https://spxgraphics.com/blog
  type: Blog
maintainers:
- name: Tuomo Kulomaa
  url: https://github.com/TuomoKu
tags:
- Broadcast
- Graphics
- Live Production
- Media
- Streaming
- Video Production
- Fortune 1000

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SPX Graphics

APIs 5

Open Collections 7

Pricing Plans 1

Rate Limits 1

FinOps 1

Semantic Vocabularies 1

Spectral Rules 2

JSON Schema 1

JSON Structure 1

Examples 2

Security Posture 1

Agentic Access 1