Tiingo website screenshot

Tiingo

Tiingo provides high-quality financial market data APIs across US equities, crypto, FX, fundamentals, and news, popular among quantitative researchers. APIs include End-of-Day prices, IEX intraday data, Crypto, Forex, Fundamentals, and News, with REST and WebSocket access at api.tiingo.com.

Tiingo publishes 6 APIs on the APIs.io network, including End-of-Day API, IEX Intraday API, Crypto API, and 3 more. Tagged areas include Fintech, Market Data, Stocks, Crypto, and FX.

The Tiingo catalog on APIs.io includes 1 event-driven AsyncAPI specification.

Tiingo’s developer surface includes developer portal, documentation, pricing, engineering blog, changelog, authentication, sandbox, and 26 more developer resources.

62.3/100 strong ▬ flat Agent 44/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemium
6 APIs 1 MCP Servers
FintechMarket DataStocksCryptoFXNewsFundamentalsWebSockets

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 62.3/100 · strong
Contract Quality 14.4 / 25
Developer Ergonomics 13.4 / 20
Commercial Clarity 16.8 / 20
Operational Transparency 8.9 / 13
Governance 1.4 / 12
Discoverability 9.3 / 10
Agent readiness — 44/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
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 7 / 7
Typed Event Surface 6 / 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
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/tiingo: 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 6

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

Tiingo End-of-Day API

Daily OHLCV history for 100,000+ US equities and ETFs back to 1962, with split and dividend adjustments.

Tiingo IEX Intraday API

IEX-sourced intraday quotes and trades over REST and WebSocket - real-time during US market hours.

Tiingo Crypto API

Crypto top-of-book and trade data aggregated from major exchanges over REST and WebSocket.

Tiingo Forex API

Real-time and historical FX rates for major and emerging-market currency pairs.

Tiingo Fundamentals API

Income statement, balance sheet, cash flow, and corporate event data sourced from SEC filings.

Tiingo News API

Tagged equity news from 1,000+ publishers with ticker, topic, and source filters.

Postman Collections 1

Ready-to-run Postman collections for exercising this provider's APIs.

Tiingo API

POSTMAN

MCP Servers 1

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

tiingo-mcp.yml

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Tiingo Plans Pricing

4 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Tiingo Rate Limits

4 limits

RATE LIMITS

FinOps 1

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

Event Specifications 1

AsyncAPI definitions for this provider's event-driven and streaming APIs.

Tiingo WebSocket API

Tiingo's WebSocket streaming interface for real-time market data. Clients subscribe and unsubscribe to data feeds by sending a JSON request containing eventName, an authorizatio...

ASYNCAPI

Security Posture 2

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

Tiingo Authentication

apiKey · 3 schemes

SECURITY

Tiingo Domain Security

TLSv1.3 · DNSSEC · DMARC

SECURITY

Agentic Access 1

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

Tiingo Agentic Access

37 operations

37 operations · 0 acting

AGENTIC

Resources

Get Started 4

Portal, sign-up, and the first successful call

Documentation 3

Reference material describing how the API behaves

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Build 3

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 4

Status, limits, changes, and where to get help

Commercial 5

Pricing, plans, and the legal terms of use

Company 2

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: tiingo
url: https://raw.githubusercontent.com/api-evangelist/tiingo/refs/heads/main/apis.yml
name: Tiingo
kind: company
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://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/tiingo.png
tags:
- Fintech
- Market Data
- Stocks
- Crypto
- FX
- News
- Fundamentals
- WebSockets
created: '2026-05-08'
modified: '2026-07-22'
specificationVersion: '0.19'
description: Tiingo provides high-quality financial market data APIs across US equities, crypto, FX, fundamentals, and news,
  popular among quantitative researchers. APIs include End-of-Day prices, IEX intraday data, Crypto, Forex, Fundamentals,
  and News, with REST and WebSocket access at api.tiingo.com.
apis:
- aid: tiingo:end-of-day-api
  name: Tiingo End-of-Day API
  tags:
  - Stocks
  - End-of-Day
  - Historical
  - OHLCV
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://api.tiingo.com/tiingo/daily
  humanURL: https://www.tiingo.com/documentation/end-of-day
  description: Daily OHLCV history for 100,000+ US equities and ETFs back to 1962, with split and dividend adjustments.
  properties:
  - type: Documentation
    url: https://www.tiingo.com/documentation/end-of-day
  - type: OpenAPI
    url: openapi/tiingo-openapi.yml
  x-features:
  - 100,000+ US tickers
  - History back to 1962
  - Split- and dividend-adjusted
  x-use-cases:
  - Long-history backtests
  - Tax-lot reconciliation against historical closes
- aid: tiingo:iex-intraday-api
  name: Tiingo IEX Intraday API
  tags:
  - Stocks
  - Intraday
  - Real-time
  - IEX
  - WebSocket
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://api.tiingo.com/iex
  humanURL: https://www.tiingo.com/documentation/iex
  description: IEX-sourced intraday quotes and trades over REST and WebSocket - real-time during US market hours.
  properties:
  - type: Documentation
    url: https://www.tiingo.com/documentation/iex
  - type: OpenAPI
    url: openapi/tiingo-openapi.yml
  - type: AsyncAPI
    url: asyncapi/tiingo-websockets-asyncapi.yml
  x-features:
  - IEX top-of-book in real time
  - WebSocket streaming
  - Aggregated minute bars
  x-use-cases:
  - Live trading dashboards
  - Real-time quote streaming
- aid: tiingo:crypto-api
  name: Tiingo Crypto API
  tags:
  - Crypto
  - Cryptocurrency
  - Market Data
  - WebSocket
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://api.tiingo.com/tiingo/crypto
  humanURL: https://www.tiingo.com/documentation/crypto
  description: Crypto top-of-book and trade data aggregated from major exchanges over REST and WebSocket.
  properties:
  - type: Documentation
    url: https://www.tiingo.com/documentation/crypto
  - type: OpenAPI
    url: openapi/tiingo-openapi.yml
  - type: AsyncAPI
    url: asyncapi/tiingo-websockets-asyncapi.yml
  x-features:
  - Cross-exchange aggregated quotes
  - WebSocket streaming
  - Historical OHLCV
  x-use-cases:
  - Crypto research
  - Cross-exchange arbitrage analysis
- aid: tiingo:forex-api
  name: Tiingo Forex API
  tags:
  - Forex
  - FX
  - Currencies
  - WebSocket
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://api.tiingo.com/tiingo/fx
  humanURL: https://www.tiingo.com/documentation/forex
  description: Real-time and historical FX rates for major and emerging-market currency pairs.
  properties:
  - type: Documentation
    url: https://www.tiingo.com/documentation/forex
  - type: OpenAPI
    url: openapi/tiingo-openapi.yml
  - type: AsyncAPI
    url: asyncapi/tiingo-websockets-asyncapi.yml
  x-features:
  - Major and emerging-market pairs
  - Historical and real-time
  - WebSocket streaming
  x-use-cases:
  - Multi-currency reporting
  - FX strategy backtests
- aid: tiingo:fundamentals-api
  name: Tiingo Fundamentals API
  tags:
  - Fundamentals
  - Financial Statements
  - Equity Research
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://api.tiingo.com/tiingo/fundamentals
  humanURL: https://www.tiingo.com/documentation/fundamentals
  description: Income statement, balance sheet, cash flow, and corporate event data sourced from SEC filings.
  properties:
  - type: Documentation
    url: https://www.tiingo.com/documentation/fundamentals
  - type: OpenAPI
    url: openapi/tiingo-openapi.yml
  x-features:
  - SEC-sourced financials
  - Quarterly and annual periods
  - 30+ years of fundamentals (paid tier)
  x-use-cases:
  - Equity research
  - Factor model construction
- aid: tiingo:news-api
  name: Tiingo News API
  tags:
  - News
  - Sentiment
  - Equity Research
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://api.tiingo.com/tiingo/news
  humanURL: https://www.tiingo.com/documentation/news
  description: Tagged equity news from 1,000+ publishers with ticker, topic, and source filters.
  properties:
  - type: Documentation
    url: https://www.tiingo.com/documentation/news
  - type: OpenAPI
    url: openapi/tiingo-openapi.yml
  x-features:
  - Ticker- and topic-tagged feed
  - 1,000+ publishers
  - Historical archive
  x-use-cases:
  - News-based trading signals
  - Compliance / surveillance
common:
- type: PostmanWorkspace
  url: https://www.postman.com/kinlaneapi/tiingo/overview
- type: AgenticAccess
  url: agentic-access/tiingo-agentic-access.yml
- type: DomainSecurity
  url: security/tiingo-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/tiingo
- type: LinkedIn
  url: https://www.linkedin.com/company/tiingo
- type: Portal
  url: https://www.tiingo.com/
- type: Documentation
  url: https://www.tiingo.com/documentation/general/overview
- type: Pricing
  url: https://www.tiingo.com/about/pricing
- type: Plans
  url: plans/tiingo-plans-pricing.yml
- type: RateLimits
  url: rate-limits/tiingo-rate-limits.yml
- type: FinOps
  url: finops/tiingo-finops.yml
- url: https://www.tiingo.com/blog/feed/
  type: Blog
- type: AsyncAPI
  url: asyncapi/tiingo-websockets-asyncapi.yml
- type: Packages
  url: packages/tiingo-packages.yml
- type: MCPServer
  url: mcp/tiingo-mcp.yml
- type: LLMsTxt
  url: llms/tiingo-llms.txt
- type: Overlay
  url: overlays/tiingo-openapi-overlay.yaml
- type: Conformance
  url: conformance/tiingo-conformance.yml
- type: ErrorCatalog
  url: errors/tiingo-problem-types.yml
- type: Lifecycle
  url: lifecycle/tiingo-lifecycle.yml
- type: StatusPage
  url: https://status.tiingo.com/
- type: ChangeLog
  url: changelog/tiingo-changelog.yml
- type: Authentication
  url: authentication/tiingo-authentication.yml
- type: Sandbox
  url: sandbox/tiingo-sandbox.yml
- type: Conventions
  url: conventions/tiingo-conventions.yml
- type: DataModel
  url: data-model/tiingo-data-model.yml
- type: AgentSkill
  url: skills/_index.yml
- type: APIReference
  url: https://www.tiingo.com/documentation/general/overview
- type: GettingStarted
  url: https://www.tiingo.com/documentation/general/connecting
- type: Support
  url: https://www.tiingo.com/support
- type: TermsOfService
  url: https://www.tiingo.com/tos
- type: PrivacyPolicy
  url: https://www.tiingo.com/privacy
- type: SignUp
  url: https://www.tiingo.com/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com