Finage

Finage is a London-based real-time and historical market data provider covering US and global stocks, forex, cryptocurrencies, CFD indices, ETFs, bonds, and company fundamentals. Data is delivered through a read-only REST API (api.finage.co.uk, API-key auth, 72 documented endpoints spanning quotes, trades, OHLCV aggregates, snapshots, financial statements, calendars, news, and technical indicators), dedicated per-customer WebSocket streams on finage.ws for real-time trades and quotes, and embeddable website widgets served from cdn.finage.co.uk. Plans range from a free 1,000 request/month tier through Basic API packages to Professional unlimited WebSocket feeds, with a 3-day free trial across all markets.

Finage publishes 2 APIs on the APIs.io network: Market Data API and WebSocket Market Data Stream. Tagged areas include Finance, Market Data, Stocks, Forex, and Cryptocurrency.

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

Finage’s developer surface includes authentication, developer portal, signup flow, documentation, API reference, pricing, engineering blog, and 23 more developer resources.

🌐 Visit website 📡 Source on GitHub

53.1/100 developing ▬ flat Agent 42/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serveFree trial

2 APIs 1 MCP Servers

FinanceMarket DataStocksForexCryptocurrencyETFsIndicesFundamentalsReal-Time DataPublic APIs

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 53.1/100 · developing

Contract Quality 13.9 / 25

Developer Ergonomics 8.6 / 20

Commercial Clarity 15.3 / 20

Operational Transparency 4.8 / 13

Governance 1.4 / 12

Discoverability 9.4 / 10

Agent readiness — 42/100 · agent ready

Machine-Readable Contract 18 / 18

Agentic Access Contract 0 / 10

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 7 / 7

Typed Event Surface 6 / 6

Agent Skills 5 / 5

Well-Known Catalog 4 / 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/finage: 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 2

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

Finage Market Data API

Read-only REST API for real-time and historical market data: last quotes/trades, OHLCV aggregates, and snapshots for US and global stocks, forex, crypto, CFD indices and ETFs, p...

Finage WebSocket Market Data Stream

Real-time streaming trades and quotes for US stocks, global stocks, forex, crypto, CFD indices, and ETFs over per-customer WebSocket URLs (assigned subdomain and port on finage....

MCP Servers 1

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

Rate Limits 1

Documented rate limits and quota policies.

Get Started 2

Portal, sign-up, and the first successful call

Portal

Portal

SignUp

SignUp

Documentation 3

Reference material describing how the API behaves

AsyncAPI

AsyncAPI

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 3

MCP servers, agent skills, and machine-readable catalogs

WellKnown

WellKnown

LLMsTxt

LLMsTxt

AgentSkill

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conformance

ErrorCatalog

Lifecycle

Conventions

Components

DataModel

Build 2

SDKs, sample code, and the tooling you integrate with

Packages

Packages

GitHubOrganization

GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

Authentication

Authentication

DomainSecurity

DomainSecurity

Learn 1

Tutorials, courses, talks, and written guidance

YouTube

YouTube

Operate 2

Status, limits, changes, and where to get help

RateLimits

RateLimits

Support

Support

Commercial 4

Pricing, plans, and the legal terms of use

Plans

Pricing

TermsOfService

PrivacyPolicy

Company 4

The organization behind the API

Website

Website

Blog

Blog

LinkedIn

Twitter

Twitter

Other 1

Properties that don't map to a standard resource type

PublicAPIsListing

PublicAPIsListing

Source (apis.yml)

aid: finage
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: true
  try_now: false
  public: false
  label: Freemium (3-day free trial) · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/finage.png
name: Finage
description: Finage is a London-based real-time and historical market data provider covering US and global stocks, forex,
  cryptocurrencies, CFD indices, ETFs, bonds, and company fundamentals. Data is delivered through a read-only REST API (api.finage.co.uk,
  API-key auth, 72 documented endpoints spanning quotes, trades, OHLCV aggregates, snapshots, financial statements, calendars,
  news, and technical indicators), dedicated per-customer WebSocket streams on finage.ws for real-time trades and quotes,
  and embeddable website widgets served from cdn.finage.co.uk. Plans range from a free 1,000 request/month tier through Basic
  API packages to Professional unlimited WebSocket feeds, with a 3-day free trial across all markets.
url: https://finage.co.uk
specificationVersion: '0.20'
created: '2026-05-28'
modified: '2026-07-22'
x-source: public-apis/public-apis
x-category: Finance
x-tier: 3
x-tier-reason: bulk-registered-from-public-apis
tags:
- Finance
- Market Data
- Stocks
- Forex
- Cryptocurrency
- ETFs
- Indices
- Fundamentals
- Real-Time Data
- Public APIs
apis:
- name: Finage Market Data API
  description: 'Read-only REST API for real-time and historical market data: last quotes/trades, OHLCV aggregates, and snapshots
    for US and global stocks, forex, crypto, CFD indices and ETFs, plus fundamentals (financial statements, ratios, holders),
    economic/earnings/dividend calendars, market news, technical indicators, and symbol search. Authenticated with an apikey
    query parameter; responses are gzip-compressed JSON.'
  humanURL: https://finage.co.uk/docs/api
  baseURL: https://api.finage.co.uk
  tags:
  - Finance
  - Market Data
  properties:
  - type: Documentation
    url: https://finage.co.uk/docs/api
  - type: APIReference
    url: https://finage.co.uk/docs/api
  - type: OpenAPI
    url: openapi/finage-openapi.yml
  - type: Overlay
    url: overlays/finage-openapi-overlay.yaml
  - type: MCPServer
    url: mcp/finage-mcp.yml
- name: Finage WebSocket Market Data Stream
  description: Real-time streaming trades and quotes for US stocks, global stocks, forex, crypto, CFD indices, and ETFs over
    per-customer WebSocket URLs (assigned subdomain and port on finage.ws, socket-key token authentication, shown in the dashboard).
  humanURL: https://finage.co.uk/docs/websocket
  baseURL: https://api.finage.co.uk
  tags:
  - Finance
  - Streaming
  properties:
  - type: Documentation
    url: https://finage.co.uk/docs/websocket
  - type: AsyncAPI
    url: asyncapi/finage-websocket-asyncapi.yml
common:
- type: Authentication
  url: authentication/finage-authentication.yml
- type: DomainSecurity
  url: security/finage-domain-security.yml
- type: Website
  url: https://finage.co.uk
- type: PublicAPIsListing
  url: https://github.com/public-apis/public-apis
- type: Packages
  url: packages/finage-packages.yml
- type: WellKnown
  url: well-known/finage-well-known.yml
- type: LLMsTxt
  url: llms/finage-llms.txt
- type: Conformance
  url: conformance/finage-conformance.yml
- type: ErrorCatalog
  url: errors/finage-problem-types.yml
- type: Lifecycle
  url: lifecycle/finage-lifecycle.yml
- type: Conventions
  url: conventions/finage-conventions.yml
- type: Components
  url: components/finage-components.yml
- type: DataModel
  url: data-model/finage-data-model.yml
- type: Plans
  url: plans/finage-plans.yml
- type: RateLimits
  url: rate-limits/finage-rate-limits.yml
- type: AsyncAPI
  url: asyncapi/finage-websocket-asyncapi.yml
- type: AgentSkill
  url: skills/_index.yml
- type: Portal
  url: https://moon.finage.co.uk
- type: SignUp
  url: https://moon.finage.co.uk/register
- type: Documentation
  url: https://finage.co.uk/docs/api
- type: APIReference
  url: https://finage.co.uk/docs/api
- type: Pricing
  url: https://finage.co.uk/pricing
- type: Blog
  url: https://finage.co.uk/blog
- type: Support
  url: https://finage.co.uk/company/frequently-asked-questions
- type: GitHubOrganization
  url: https://github.com/FinageLTD
- type: TermsOfService
  url: https://finage.co.uk/company/privacy-policy/terms-of-use
- type: PrivacyPolicy
  url: https://finage.co.uk/company/privacy-policy/privacy-policy
- type: LinkedIn
  url: https://www.linkedin.com/company/finageltd/
- type: Twitter
  url: https://twitter.com/finageltd
- type: YouTube
  url: https://www.youtube.com/channel/UCRUuqo17XKUVxPODKLsRvmA
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Finage

Kin Score

APIs 2

Finage Market Data API

Finage WebSocket Market Data Stream

MCP Servers 1

finage-mcp.yml

Pricing Plans 1

Finage Plans

Rate Limits 1

Finage Rate Limits

Event Specifications 1

Finage WebSocket Market Data Stream

Security Posture 2

Finage Authentication

Finage Domain Security

Resources

Get Started 2

Documentation 3

Agent Surfaces 3

Design & Contract 6

Build 2

Access & Security 2

Learn 1

Operate 2

Commercial 4

Company 4

Other 1

Source (apis.yml)