Subspace

Subspace was a real-time network-as-a-service platform delivering a dedicated, performance-optimized global network for latency-sensitive applications — WebRTC, VoIP/SIP calling, video conferencing, multiplayer gaming, and fintech. Its Product API provisions three services: PacketAccelerator (no-code global internet acceleration), SIPTeleport (SIP/VoIP call-quality improvement), and WebRTC-CDN (instant global WebRTC acceleration with ICE server configuration). The REST API uses resource-oriented URLs and JSON responses, versioned at v1, authenticated with OAuth2 client-credentials issuing 24-hour JWT bearer tokens via Auth0, and ships six first-party OpenAPI client SDKs. The company was a Bloomberg Beta portfolio company; its marketing site remains live while the API, identity, and status hosts have wound down operationally.

Subspace publishes 3 APIs on the APIs.io network: AcceleratorService API, SipTeleportService API, and WebRtcCdnService API. Tagged areas include Company, Networking, Real-Time, WebRTC, and VoIP.

Subspace’s developer surface includes documentation, API reference, pricing, signup flow, authentication, and 19 more developer resources.

🌐 Visit website 📡 Source on GitHub
40.9/100 thin ▬ flat Agent 69/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
3 APIs 1 MCP Servers
CompanyNetworkingReal-TimeWebRTCVoIPSIPCDNGamingLatencyInfrastructure

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 40.9/100 · thin
Contract Quality 12.8 / 25
Developer Ergonomics 11.3 / 20
Commercial Clarity 4.7 / 20
Operational Transparency 2.1 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 69/100 · agent native
Machine-Readable Contract 18 / 18
Agentic Access Contract 15 / 15
MCP Server 12 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 8 / 8
Request/Response Examples 0 / 7
Rate-Limit Signaling 0 / 7
Typed Event Surface 0 / 6
Agent Skills 5 / 5
Well-Known Catalog 4 / 4
Consent & Bot Identity 0 / 3
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/subspace: 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 3

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

Subspace AcceleratorService API

The AcceleratorService API from Subspace — 2 operation(s) for acceleratorservice.

Subspace SipTeleportService API

The SipTeleportService API from Subspace — 2 operation(s) for sipteleportservice.

Subspace WebRtcCdnService API

The WebRtcCdnService API from Subspace — 1 operation(s) for webrtccdnservice.

MCP Servers 1

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

subspace-mcp.yml

MCP SERVER

Security Posture 3

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

Subspace Authentication

oauth2 · 1 scheme

SECURITY

Subspace Domain Security

TLSv1.3 · HSTS · DNSSEC

SECURITY

Subspace Vulnerability Disclosure

Bugcrowd

SECURITY

Scopes 1

OAuth scopes governing access to this provider's APIs.

Subspace Scopes

9 scopes · clientCredentials

9 scopes

SCOPES

Agentic Access 1

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

Subspace Agentic Access

11 operations · 7 acting

11 operations · 7 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 SignUp
SignUp

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 5

MCP servers, agent skills, and machine-readable catalogs

LLMsTxt
LLMsTxt
 MCPServer
MCPServer
 AgentSkill
AgentSkill
 AgenticAccess
AgenticAccess
 WellKnown
WellKnown

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 DataModel
DataModel
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 Conformance
Conformance

Build 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages
 SDKs
SDKs

Access & Security 5

Authentication, authorization, and security posture

Security
Security
 Authentication
Authentication
 OAuthScopes
OAuthScopes
 DomainSecurity
DomainSecurity
 VulnerabilityDisclosure
VulnerabilityDisclosure

Commercial 1

Pricing, plans, and the legal terms of use

Pricing
Pricing

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: subspace
accessModel:
  pricing: unknown
  onboarding: self-serve
  trial: false
  try_now: false
  public: false
  label: Self-serve signup
  confidence: medium
  source:
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/subspace.png
name: Subspace
description: 'Subspace was a real-time network-as-a-service platform delivering a dedicated, performance-optimized global
  network for latency-sensitive applications — WebRTC, VoIP/SIP calling, video conferencing, multiplayer gaming, and fintech.
  Its Product API provisions three services: PacketAccelerator (no-code global internet acceleration), SIPTeleport (SIP/VoIP
  call-quality improvement), and WebRTC-CDN (instant global WebRTC acceleration with ICE server configuration). The REST API
  uses resource-oriented URLs and JSON responses, versioned at v1, authenticated with OAuth2 client-credentials issuing 24-hour
  JWT bearer tokens via Auth0, and ships six first-party OpenAPI client SDKs. The company was a Bloomberg Beta portfolio company;
  its marketing site remains live while the API, identity, and status hosts have wound down operationally.'
url: https://raw.githubusercontent.com/api-evangelist/subspace/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- bloomberg-beta
x-tier: enriched
x-tier-reason: real-api-surface
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-21'
tags:
- Company
- Networking
- Real-Time
- WebRTC
- VoIP
- SIP
- CDN
- Gaming
- Latency
- Infrastructure
apis:
- aid: subspace:subspace-acceleratorservice-api
  name: Subspace AcceleratorService API
  description: The AcceleratorService API from Subspace — 2 operation(s) for acceleratorservice.
  humanURL: https://www.subspace.com/
  baseURL: https://api.subspace.com/v1
  tags:
  - AcceleratorService
  properties:
  - type: OpenAPI
    url: openapi/subspace-acceleratorservice-api-openapi.yml
- aid: subspace:subspace-sipteleportservice-api
  name: Subspace SipTeleportService API
  description: The SipTeleportService API from Subspace — 2 operation(s) for sipteleportservice.
  humanURL: https://www.subspace.com/
  baseURL: https://api.subspace.com/v1
  tags:
  - SipTeleportService
  properties:
  - type: OpenAPI
    url: openapi/subspace-sipteleportservice-api-openapi.yml
- aid: subspace:subspace-webrtccdnservice-api
  name: Subspace WebRtcCdnService API
  description: The WebRtcCdnService API from Subspace — 1 operation(s) for webrtccdnservice.
  humanURL: https://www.subspace.com/
  baseURL: https://api.subspace.com/v1
  tags:
  - WebRtcCdnService
  properties:
  - type: OpenAPI
    url: openapi/subspace-webrtccdnservice-api-openapi.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: Website
  url: https://www.subspace.com/
- type: DeveloperPortal
  url: https://console.subspace.com/
- type: Documentation
  url: https://subspace.com/resources?category=documentation
- type: APIReference
  url: https://subspace.com/api
- type: Pricing
  url: https://subspace.com/pricing
- type: SignUp
  url: https://console.subspace.com/
- type: Security
  url: https://subspace.com/security
- type: GitHubOrganization
  url: https://github.com/subspace-com
- type: LLMsTxt
  url: llms/subspace-llms.txt
- type: Packages
  url: packages/subspace-packages.yml
- type: SDKs
  url: packages/subspace-packages.yml
- type: MCPServer
  url: mcp/subspace-mcp.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Conventions
  url: conventions/subspace-conventions.yml
- type: DataModel
  url: data-model/subspace-data-model.yml
- type: ErrorCatalog
  url: errors/subspace-problem-types.yml
- type: Lifecycle
  url: lifecycle/subspace-lifecycle.yml
- type: Conformance
  url: conformance/subspace-conformance.yml
- type: Authentication
  url: authentication/subspace-authentication.yml
- type: OAuthScopes
  url: scopes/subspace-scopes.yml
- type: AgenticAccess
  url: agentic-access/subspace-agentic-access.yml
- type: DomainSecurity
  url: security/subspace-domain-security.yml
- type: VulnerabilityDisclosure
  url: security/subspace-vulnerability-disclosure.yml
- type: WellKnown
  url: well-known/subspace-well-known.yml
x-enrichment:
  date: '2026-07-21'
  status: enriched
  artifacts_added: 17
  pass: local-v1