DemandSphere website screenshot

DemandSphere

DemandSphere is a unified AI search visibility platform (founded 2010, Y Combinator S10) that tracks brand presence across traditional search engine results pages, AI search engines (ChatGPT, Gemini, Perplexity, AI Overviews, AI Mode), and agentic surfaces. Its modular products cover DemandMetrics SERP analytics, DemandMetrics for Gen AI (LLM visibility and citation tracking), DemandSphere Agents workflow automation, Analytics AX log-file analytics, and Search Intelligence, a BigQuery data warehouse. The DemandSphere REST API (v5.0) exposes rank tracking, ranking trends, keyword groups, local rankings, landing matches, search-engine summaries, and site hierarchy data as JSON over api-key authentication, across 200+ markets and 10+ search engines, and is complemented by a first-party Model Context Protocol (MCP) server for agent access.

DemandSphere publishes 4 APIs on the APIs.io network, including Keywords API, Pages API, SearchEngines API, and 1 more. Tagged areas include Company, SEO, Search Intelligence, SERP Analytics, and AI Search.

DemandSphere’s developer surface includes authentication, documentation, API reference, getting-started guide, pricing, engineering blog, support, and 21 more developer resources.

🌐 Visit website 📡 Source on GitHub
53.9/100 developing ▬ flat Agent 62/100 agent native Full breakdown ↓
scored 2026-07-27 · rubric v0.5
AccessSelf serve
4 APIs 1 MCP Servers
CompanySEOSearch IntelligenceSERP AnalyticsAI SearchLLM VisibilityRank TrackingAnalyticsAPIMCP

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-27 · rubric v0.5
Composite quality — 53.9/100 · developing
Contract Quality 12.2 / 25
Developer Ergonomics 13.5 / 20
Commercial Clarity 12.1 / 20
Operational Transparency 6.2 / 13
Governance 0.0 / 12
Discoverability 10.0 / 10
Agent readiness — 62/100 · 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 0 / 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/demandsphere: 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.

DemandSphere Keywords API

The Keywords API from DemandSphere — 6 operation(s) for keywords.

DemandSphere Pages API

The Pages API from DemandSphere — 1 operation(s) for pages.

DemandSphere SearchEngines API

The SearchEngines API from DemandSphere — 1 operation(s) for searchengines.

DemandSphere Sites API

The Sites API from DemandSphere — 2 operation(s) for sites.

MCP Servers 1

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

demandsphere-mcp.yml

MCP SERVER

Security Posture 4

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

Demandsphere Authentication

apiKey · 1 scheme

SECURITY

Demandsphere Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Demandsphere Vulnerability Disclosure

disclosure policy published

SECURITY

Demandsphere Trust Center

GDPR

SECURITY

Agentic Access 1

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

Demandsphere Agentic Access

10 operations · 10 acting

10 operations · 10 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

DeveloperPortal
DeveloperPortal
 GettingStarted
GettingStarted
 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

MCPServer
MCPServer
 LLMsTxt
LLMsTxt
 WellKnown
WellKnown
 AgenticAccess
AgenticAccess
 AgentSkill
AgentSkill

Design & Contract 2

Pagination, idempotency, versioning, errors, and events

Lifecycle
Lifecycle
 Conformance
Conformance

Build 2

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 Packages
Packages

Access & Security 6

Authentication, authorization, and security posture

TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 DomainSecurity
DomainSecurity
 Authentication
Authentication
 Compliance
Compliance
 Security
Security

Operate 3

Status, limits, changes, and where to get help

Support
Support
 StatusPage
StatusPage
 ChangeLog
ChangeLog

Commercial 3

Pricing, plans, and the legal terms of use

Pricing
Pricing
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: demandsphere
name: DemandSphere
description: DemandSphere is a unified AI search visibility platform (founded 2010, Y Combinator S10) that tracks brand presence
  across traditional search engine results pages, AI search engines (ChatGPT, Gemini, Perplexity, AI Overviews, AI Mode),
  and agentic surfaces. Its modular products cover DemandMetrics SERP analytics, DemandMetrics for Gen AI (LLM visibility
  and citation tracking), DemandSphere Agents workflow automation, Analytics AX log-file analytics, and Search Intelligence,
  a BigQuery data warehouse. The DemandSphere REST API (v5.0) exposes rank tracking, ranking trends, keyword groups, local
  rankings, landing matches, search-engine summaries, and site hierarchy data as JSON over api-key authentication, across
  200+ markets and 10+ search engines, and is complemented by a first-party Model Context Protocol (MCP) server for agent
  access.
url: https://raw.githubusercontent.com/api-evangelist/demandsphere/refs/heads/main/apis.yml
x-type: company
x-source: vc-portfolio
x-backed-by:
- 500-global
x-tier: stub
x-tier-reason: portfolio-lead
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
specificationVersion: '0.20'
created: '2026-07-17'
modified: '2026-07-18'
image: https://www.demandsphere.com/favicon.ico
tags:
- Company
- SEO
- Search Intelligence
- SERP Analytics
- AI Search
- LLM Visibility
- Rank Tracking
- Analytics
- API
- MCP
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
apis:
- aid: demandsphere:demandsphere-keywords-api
  name: DemandSphere Keywords API
  description: The Keywords API from DemandSphere — 6 operation(s) for keywords.
  humanURL: https://www.demandsphere.com/platform/apis/rest-apis/
  baseURL: https://api.demandsphere.com
  tags:
  - Keywords
  properties:
  - type: OpenAPI
    url: openapi/demandsphere-keywords-api-openapi.yml
  - type: DataModel
    url: data-model/demandsphere-data-model.yml
  - type: ErrorCatalog
    url: errors/demandsphere-problem-types.yml
  - type: Conventions
    url: conventions/demandsphere-conventions.yml
- aid: demandsphere:demandsphere-pages-api
  name: DemandSphere Pages API
  description: The Pages API from DemandSphere — 1 operation(s) for pages.
  humanURL: https://www.demandsphere.com/platform/apis/rest-apis/
  baseURL: https://api.demandsphere.com
  tags:
  - Pages
  properties:
  - type: OpenAPI
    url: openapi/demandsphere-pages-api-openapi.yml
  - type: DataModel
    url: data-model/demandsphere-data-model.yml
  - type: ErrorCatalog
    url: errors/demandsphere-problem-types.yml
  - type: Conventions
    url: conventions/demandsphere-conventions.yml
- aid: demandsphere:demandsphere-searchengines-api
  name: DemandSphere SearchEngines API
  description: The SearchEngines API from DemandSphere — 1 operation(s) for searchengines.
  humanURL: https://www.demandsphere.com/platform/apis/rest-apis/
  baseURL: https://api.demandsphere.com
  tags:
  - SearchEngines
  properties:
  - type: OpenAPI
    url: openapi/demandsphere-searchengines-api-openapi.yml
  - type: DataModel
    url: data-model/demandsphere-data-model.yml
  - type: ErrorCatalog
    url: errors/demandsphere-problem-types.yml
  - type: Conventions
    url: conventions/demandsphere-conventions.yml
- aid: demandsphere:demandsphere-sites-api
  name: DemandSphere Sites API
  description: The Sites API from DemandSphere — 2 operation(s) for sites.
  humanURL: https://www.demandsphere.com/platform/apis/rest-apis/
  baseURL: https://api.demandsphere.com
  tags:
  - Sites
  properties:
  - type: OpenAPI
    url: openapi/demandsphere-sites-api-openapi.yml
  - type: DataModel
    url: data-model/demandsphere-data-model.yml
  - type: ErrorCatalog
    url: errors/demandsphere-problem-types.yml
  - type: Conventions
    url: conventions/demandsphere-conventions.yml
common:
- type: TrustCenter
  url: security/demandsphere-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/demandsphere-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/demandsphere-domain-security.yml
- type: Authentication
  url: authentication/demandsphere-authentication.yml
- type: Website
  url: https://demandsphere.com
- type: DeveloperPortal
  url: https://www.demandsphere.com/solutions/developers/
- type: Documentation
  url: https://help.demandsphere.com
- type: APIReference
  url: https://www.demandsphere.com/platform/apis/rest-apis/
- type: GettingStarted
  url: https://www.demandsphere.com/platform/apis/
- type: Pricing
  url: https://www.demandsphere.com/pricing/
- type: Blog
  url: https://www.demandsphere.com/blog/
- type: Support
  url: https://www.demandsphere.com/resources/help-center/
- type: SignUp
  url: https://www.demandsphere.com/login/
- type: TermsOfService
  url: https://www.demandsphere.com/terms-of-service/
- type: PrivacyPolicy
  url: https://www.demandsphere.com/privacy-policy/
- type: GitHubOrganization
  url: https://github.com/DemandSphereDev
- type: StatusPage
  url: https://status.demandsphere.com/
- type: ChangeLog
  url: https://help.demandsphere.com/changelog
- type: Compliance
  url: https://www.demandsphere.com/security/
- type: Security
  url: https://www.demandsphere.com/security/
- type: MCPServer
  url: mcp/demandsphere-mcp.yml
- type: LLMsTxt
  url: llms/demandsphere-llms.txt
- type: WellKnown
  url: well-known/demandsphere-well-known.yml
- type: Lifecycle
  url: lifecycle/demandsphere-lifecycle.yml
- type: Conformance
  url: conformance/demandsphere-conformance.yml
- type: Packages
  url: packages/demandsphere-packages.yml
- type: AgenticAccess
  url: agentic-access/demandsphere-agentic-access.yml
- type: AgentSkill
  url: skills/_index.yml
x-enrichment:
  date: '2026-07-19'
  status: backfilled
  pass: local-v1
  note: backfilled from .gitignore signal + verified work evidence