Twelve Data

Stock market data (real-time & historical)

Twelve Data publishes 1 API on the APIs.io network. Tagged areas include Finance and Public APIs.

🌐 Visit website 📡 Source on GitHub

7.3/100 minimal ▬ flat Agent 0/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1

1 APIs

FinancePublic APIs

Kin Score

Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1

Composite quality — 7.3/100 · minimal

Contract Quality 0.0 / 25

Developer Ergonomics 0.0 / 20

Commercial Clarity 1.6 / 20

Operational Transparency 0.0 / 13

Governance 0.0 / 12

Discoverability 5.7 / 10

Agent readiness — 0/100 · human only

Machine-Readable Contract 0 / 18

Agentic Access Contract 0 / 10

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 0 / 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

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APIs 1

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

Twelve Data

Stock market data (real-time & historical)

Security Posture 2

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

Twelve Data Domain Security

TLSv1.3 · DMARC

SECURITY

Twelve Data Trust Center

SOC 2, GDPR

SECURITY

Resources

Access & Security 2

Authentication, authorization, and security posture

TrustCenter

TrustCenter

DomainSecurity

DomainSecurity

Company 1

The organization behind the API

Website

Website

Other 1

Properties that don't map to a standard resource type

PublicAPIsListing

PublicAPIsListing

Source (apis.yml)

aid: twelve-data
accessModel:
  pricing: unknown
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Unknown
  confidence: low
  source: []
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/twelve-data.png
name: Twelve Data
description: Stock market data (real-time & historical)
url: https://twelvedata.com/
specificationVersion: '0.20'
created: '2026-05-28'
modified: '2026-05-28'
x-source: public-apis/public-apis
x-category: Finance
x-tier: 3
x-tier-reason: bulk-registered-from-public-apis
tags:
- Finance
- Public APIs
apis:
- name: Twelve Data
  description: Stock market data (real-time & historical)
  humanURL: https://twelvedata.com/
  baseURL: https://twelvedata.com/
  tags:
  - Finance
  properties:
  - type: Documentation
    url: https://twelvedata.com/
common:
- type: TrustCenter
  url: security/twelve-data-trust-center.yml
- type: DomainSecurity
  url: security/twelve-data-domain-security.yml
- type: Website
  url: https://twelvedata.com/
- type: PublicAPIsListing
  url: https://github.com/public-apis/public-apis
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
- type: Blog
  url: https://twelvedata.com/blog