GroundAPI

GroundAPI provides an AI-native financial data platform offering A‑share market data, technical indicators, financial reports, stock selection, macro data, search, and news. Designed for AI agents, it supports REST API and MCP integration, covering eleven endpoints for market analysis, stock picking, macro trends, and information retrieval. The service targets developers building AI-driven financial applications, delivering comprehensive Chinese market data with robust documentation and pricing plans.

GroundAPI publishes 4 API contracts indexed on the APIs.io network, including Finance - Data API, Finance - Market API, Finance - Search API, and 1 more. Tagged areas include Company, Finance, Artificial Intelligence, Data, and Market Data.

The GroundAPI catalog on APIs.io includes 1 Spectral governance ruleset.

GroundAPI’s developer surface includes authentication, support, pricing, documentation, engineering blog, getting-started guide, and 13 more developer resources.

🌐 Visit website 📡 Profile data on GitHub

34.4/100 thin Agent 28/100 agent aware Full breakdown ↓
scored 2026-11-13 · rubric v0.28.0 · Show this score on your site →

AccessFreeSelf serve⚡ Free to try

1 published contract

Company Finance Artificial Intelligence Data Market Data China

Kin Score

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

Composite quality — 34.4/100 · thin

Contract Quality 8.4 / 21

Developer Ergonomics 8.0 / 17

Access Clarity 6.2 / 17

Operational Transparency 0.0 / 11

Contract Governance 2.2 / 10

Discoverability 5.3 / 9

Regulatory Posture 2.2 / 15

Agent readiness — 28/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

MCP Server 0 / 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 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 Securities & Market Data 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):

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 →
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 →
A2A Agent Card +8 pts — a2a/-a2a.yml manifest, graded on conformance.grade against A2A 1.0.0 Ask about this →
Rate-Limit Signaling +7 pts — OpenAPI responses document X-RateLimit-* / RateLimit headers (verified), else a rate_limits artifact or RateLimits link (documented) Ask about this →
Request/Response Examples +7 pts — share of operations carrying request/response examples; else an Examples / Code Samples link Ask about this →
Registration Without a Human +6 pts — a `registration_endpoint` in the served RFC 8414 / OIDC discovery document Ask about this →

8 more unmet checks in the Agent Readiness table above.

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

Contract Quality scores 39.3 — up to +15.2 composite points Ask about this →
Operational Transparency scores 0.0 — up to +13.0 composite points Ask about this →
Access Clarity scores 36.2 — up to +12.8 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.

Not sure how this applies to your stack? Ask about any one item. Kin Lane reads every question, looks at your profile and your situation, and replies with what a fix would take — scoped to that one area, priced up front, yours whether you ship it or not. Ask a question →

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/groundapi-net/apis.yml: open an issue on github.com/api-evangelist/groundapi-net 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.

OpenAPI

measured — observed by APIs.io (published)

APIs 4

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

GroundAPI Finance - Data API

The Finance - Data API from GroundAPI — 1 operation(s) for finance - data.

GroundAPI Finance - Market API

The Finance - Market API from GroundAPI — 1 operation(s) for finance - market.

GroundAPI Finance - Search API

The Finance - Search API from GroundAPI — 1 operation(s) for finance - search.

GroundAPI Finance - Stock API

The Finance - Stock API from GroundAPI — 2 operation(s) for finance - stock.

GroundAPI pricing

Prices published by GroundAPI, read 2026-11-10 from groundapi.net/pricing.

Plan	Price
Free	$0
Recommended	$0

Plan details, limits and sources →

Pricing Plans 1

Published pricing tiers and plan structures.

GroundAPI Plans Pricing

2 plans

PLANS

Spectral Rules 1

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

GroundAPI API Rules

45 rules · 39 error-severity 1 warn-severity 5 info-severity

SPECTRAL

Security Posture 2

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

GroundAPI Authentication

1 scheme

SECURITY

GroundAPI Domain Security

TLSv1.3

SECURITY

Agentic Access (API Evangelist recommendations) 1

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

GroundAPI Agentic Access

5 operations

5 operations · 0 acting

AGENTIC

Resources

Get Started 2

Portal, sign-up, and the first successful call

Login

GettingStarted

GettingStarted

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

AgentSkill

AgentSkill

LLMsTxt

LLMsTxt

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

DataModel

Spectral

Vocabulary

ErrorCatalog

Conformance

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Operate 1

Status, limits, changes, and where to get help

Support

Support

Commercial 2

Pricing, plans, and the legal terms of use

Plans

Plans

Pricing

Pricing

Company 2

The organization behind the API

Blog

Blog

Website

Website

Other 1

Properties that don't map to a standard resource type

Hosts

Hosts

Source (apis.yml)

aid: groundapi-net
name: GroundAPI
description: GroundAPI provides an AI-native financial data platform offering A‑share market data, technical indicators, financial
  reports, stock selection, macro data, search, and news. Designed for AI agents, it supports REST API and MCP integration,
  covering eleven endpoints for market analysis, stock picking, macro trends, and information retrieval. The service targets
  developers building AI-driven financial applications, delivering comprehensive Chinese market data with robust documentation
  and pricing plans.
url: https://artifacts.apis.io/groundapi-net/apis.yml
x-type: company
x-source: harvest:mcp-registry
x-tier: profiled
x-tier-reason: enrichment pass 2026-11-10 (modular-v1; was harvest)
accessModel:
  pricing: free
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  gated: none
  gated_source:
  - onboarding
  label: Free · Self-serve signup
  confidence: medium
  source:
  - plans
  - authentication
  - security
  generated: '2026-11-13'
  method: derived
specificationVersion: '0.20'
created: '2026-11-10'
modified: '2026-11-10'
tags:
- Company
- Finance
- Artificial Intelligence
- Data
- Market Data
- China
tags_raw:
- Company
- Financial
- AI
- Data
- MarketData
- China
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- FN: APIs.json
  email: info@apis.io
common:
- type: DataModel
  url: data-model/groundapi-net-data-model.yml
- type: AgenticAccess
  url: agentic-access/groundapi-net-agentic-access.yml
- type: Plans
  url: plans/groundapi-net-plans-pricing.yml
- type: Spectral
  url: rules/groundapi-net-rules.yml
- type: Vocabulary
  url: vocabulary/groundapi-net-vocabulary.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Authentication
  url: authentication/groundapi-net-authentication.yml
- type: ErrorCatalog
  url: errors/groundapi-net-problem-types.yml
- type: Conformance
  url: conformance/groundapi-net-conformance.yml
- type: LLMsTxt
  url: llms/groundapi-net-llms.txt
- type: Hosts
  url: hosts/groundapi-net-hosts.yml
- type: Support
  url: https://groundapi.net/support
- type: Pricing
  url: https://groundapi.net/pricing
- type: Login
  url: https://groundapi.net/sign-in
- type: Documentation
  url: https://groundapi.net/documentation
- type: Blog
  url: https://groundapi.net/blog
- type: GettingStarted
  url: https://groundapi.net/documentation/quick-start
- type: DomainSecurity
  url: security/groundapi-net-domain-security.yml
- type: Website
  url: https://groundapi.net/
apis:
- aid: groundapi-net:groundapi-net-finance-data-api
  name: GroundAPI Finance - Data API
  description: The Finance - Data API from GroundAPI — 1 operation(s) for finance - data.
  humanURL: https://groundapi.net/documentation
  baseURL: https://api.groundapi.net
  tags:
  - Finance - Data
  properties:
  - type: OpenAPI
    url: openapi/groundapi-net-finance-data-api-openapi.yml
- aid: groundapi-net:groundapi-net-finance-market-api
  name: GroundAPI Finance - Market API
  description: The Finance - Market API from GroundAPI — 1 operation(s) for finance - market.
  humanURL: https://groundapi.net/documentation
  baseURL: https://api.groundapi.net
  tags:
  - Finance - Market
  properties:
  - type: OpenAPI
    url: openapi/groundapi-net-finance-market-api-openapi.yml
- aid: groundapi-net:groundapi-net-finance-search-api
  name: GroundAPI Finance - Search API
  description: The Finance - Search API from GroundAPI — 1 operation(s) for finance - search.
  humanURL: https://groundapi.net/documentation
  baseURL: https://api.groundapi.net
  tags:
  - Finance - Search
  properties:
  - type: OpenAPI
    url: openapi/groundapi-net-finance-search-api-openapi.yml
- aid: groundapi-net:groundapi-net-finance-stock-api
  name: GroundAPI Finance - Stock API
  description: The Finance - Stock API from GroundAPI — 2 operation(s) for finance - stock.
  humanURL: https://groundapi.net/documentation
  baseURL: https://api.groundapi.net
  tags:
  - Finance - Stock
  properties:
  - type: OpenAPI
    url: openapi/groundapi-net-finance-stock-api-openapi.yml
x-enrichment:
  date: '2026-11-10'
  status: enriched
  artifacts_added: 21
  pass: modular-v1
  engine: identity=local,contract=local,surfaces=local,docs=local,regulatory=local

GroundAPI — frequently asked questions

Does GroundAPI have an API?

Yes. APIs.io lists 4 APIs from GroundAPI, including GroundAPI Finance - Data API, GroundAPI Finance - Market API and GroundAPI Finance - Search API, and 1 more.

Is there an OpenAPI specification for the GroundAPI?

Yes. APIs.io indexes 4 OpenAPI specifications for GroundAPI, each linked for download from this page.

How do I authenticate with the GroundAPI?

GroundAPI uses bearer-token authentication (1 scheme). The details are profiled on APIs.io as GroundAPI Authentication.

How much does the GroundAPI cost?

GroundAPI publishes its prices; its Free plan is $0 as of 2026-11-10. APIs.io lists 2 pricing plans for GroundAPI, with each plan's price, limits and inclusions under Pricing on this page.

Is the GroundAPI ready for AI agents?

GroundAPI has a Kin Score of 34.4 out of 100 (thin) and an Agent Readiness score of 27.8 (agent-aware), scored by API Evangelist on 2026-11-13.

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