Tradier

Tradier is a brokerage platform offering REST and WebSocket APIs for trading US equities, options, and futures, plus market data and account-opening services. The Tradier Brokerage API exposes account, trading, market data, fundamentals, watchlist, and streaming endpoints under a single base URL.

Tradier publishes 2 APIs on the APIs.io network: Brokerage API and Streaming API. Tagged areas include Fintech, Trading, Stocks, Options, and Brokerage.

The Tradier catalog on APIs.io includes 1 event-driven AsyncAPI specification and 1 Spectral governance ruleset.

Tradier’s developer surface includes authentication, developer portal, documentation, pricing, engineering blog, API reference, getting-started guide, and 33 more developer resources.

🌐 Visit website 📡 Source on GitHub

73.0/100 exemplar ▬ flat Agent 58/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemium

3 APIs 1 MCP Servers

FintechTradingStocksOptionsBrokerageStreaming

Kin Score

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

Composite quality — 73.0/100 · exemplar

Contract Quality 14.2 / 25

Developer Ergonomics 15.1 / 20

Commercial Clarity 16.8 / 20

Operational Transparency 10.3 / 13

Governance 6.4 / 12

Discoverability 9.3 / 10

Agent readiness — 58/100 · 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 4 / 4

Consent & Bot Identity 3 / 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/tradier: 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 3

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

MCP Servers 1

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

Rate Limits 1

Documented rate limits and quota policies.

Tradier Rate Limits

4 limits

RATE LIMITS

FinOps 1

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

Scopes 1

OAuth scopes governing access to this provider's APIs.

Tradier Scopes

5 scopes · authorizationCode

5 scopes

SCOPES

Get Started 4

Portal, sign-up, and the first successful call

Portal

GettingStarted

SignUp

Sandbox

Documentation 2

Reference material describing how the API behaves

Documentation

Documentation

APIReference

APIReference

Agent Surfaces 6

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

LlmsText

MCPServer

LLMsTxt

WellKnown

AgentSkill

Design & Contract 6

Pagination, idempotency, versioning, errors, and events

Conformance

ErrorCatalog

ErrorCatalog

Lifecycle

Conventions

DataModel

Build 4

SDKs, sample code, and the tooling you integrate with

GitHubOrganization

ToolCrosswalk

Packages

SDKs

Access & Security 6

Authentication, authorization, and security posture

Authentication

Authentication

VulnerabilityDisclosure

VulnerabilityDisclosure

DomainSecurity

Security

SecurityTxt

OAuthScopes

Operate 4

Status, limits, changes, and where to get help

StatusPage

RateLimits

Support

ChangeLog

Commercial 5

Pricing, plans, and the legal terms of use

Pricing

Plans

FinOps

TermsOfService

PrivacyPolicy

Company 2

The organization behind the API

LinkedIn

Blog

Blog

Other 1

Properties that don't map to a standard resource type

Overlay

Overlay

Source (apis.yml)

aid: tradier
url: https://raw.githubusercontent.com/api-evangelist/tradier/refs/heads/main/apis.yml
name: Tradier
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/tradier.png
tags:
- Fintech
- Trading
- Stocks
- Options
- Brokerage
- Streaming
created: '2026-05-08'
modified: '2026-07-22'
specificationVersion: '0.19'
description: Tradier is a brokerage platform offering REST and WebSocket APIs for trading US equities, options, and futures,
  plus market data and account-opening services. The Tradier Brokerage API exposes account, trading, market data, fundamentals,
  watchlist, and streaming endpoints under a single base URL.
apis:
- aid: tradier:brokerage-api
  name: Tradier Brokerage API
  tags:
  - Trading
  - Stocks
  - Options
  - Account
  - Orders
  - Market Data
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://api.tradier.com/v1
  humanURL: https://docs.tradier.com/
  description: The Tradier Brokerage API provides REST endpoints for placing equity, option, and multileg orders, retrieving
    account balances, positions, orders, and history, and accessing market data including quotes, option chains, time and
    sales, fundamentals, and corporate calendars. A sandbox base URL is available at api.sandbox.tradier.com/v1.
  properties:
  - type: Documentation
    url: https://docs.tradier.com/
  - type: Sandbox
    url: https://api.sandbox.tradier.com/v1
  x-features:
  - Equity, option, and multileg order placement
  - Account balances, positions, history
  - Quotes, option chains, time and sales
  - Corporate calendars and fundamentals
  - Watchlists
  - Sandbox environment
  x-use-cases:
  - Build automated equity and options trading systems
  - Power retail trading and watchlist apps
  - Backtest using sandbox accounts
- aid: tradier:streaming-api
  name: Tradier Streaming API
  tags:
  - Streaming
  - WebSocket
  - HTTP
  - Real-time
  - Market Data
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://stream.tradier.com/v1
  humanURL: https://docs.tradier.com/brokerage-api/streaming
  description: The Tradier Streaming API delivers real-time market and account events over HTTP and WebSocket. Quote, trade,
    summary, timesale, and order events are streamed; client first creates a session via the brokerage REST endpoints and
    connects to stream.tradier.com.
  properties:
  - type: Documentation
    url: https://docs.tradier.com/brokerage-api/streaming
  - type: AsyncAPI
    url: asyncapi/tradier-asyncapi.yml
  x-features:
  - HTTP and WebSocket streaming
  - Quote, trade, summary, timesale events
  - Account-level order events
  x-use-cases:
  - Stream live ticks into trading bots
  - Power real-time UI updates
  - Monitor order state changes in real time
- aid: tradier:mcp-server
  name: Tradier MCP Server
  tags:
  - MCP
  - Agents
  - Trading
  - Market Data
  - AI
  image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
  baseURL: https://mcp.tradier.com/mcp
  humanURL: https://docs.tradier.com/docs/tradier-mcp
  description: Tradier's official hosted MCP server (launched July 2026) connects AI assistants like ChatGPT, Claude, Gemini
    CLI, and Cursor directly to a Tradier brokerage account over Streamable HTTP. It exposes 21 tools for account data, equity/option/multileg/OCO/OTO/OTOCO
    order placement, market data, and watchlists, authenticated with the user's API token and a PAPER_TRADING flag for live-vs-paper
    switching.
  properties:
  - type: Documentation
    url: https://docs.tradier.com/docs/tradier-mcp
  - type: MCPServer
    url: mcp/tradier-mcp.yml
  - type: ToolCrosswalk
    url: mcp/tradier-tool-crosswalk.yml
  x-features:
  - 21 tools with public tools/list schemas
  - Streamable HTTP transport
  - Live and paper trading via PAPER_TRADING flag
  - Built-in documentation search
  x-use-cases:
  - Trade and manage a brokerage account from an AI assistant
  - Build agentic trading research workflows
  - Query market data conversationally
common:
- type: AgenticAccess
  url: agentic-access/tradier-agentic-access.yml
- type: Authentication
  url: authentication/tradier-authentication.yml
- type: VulnerabilityDisclosure
  url: security/tradier-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/tradier-domain-security.yml
- type: GitHubOrganization
  url: https://github.com/tradier
- type: LinkedIn
  url: https://www.linkedin.com/company/tradier
- type: Portal
  url: https://tradier.com/
- type: Documentation
  url: https://docs.tradier.com/
- type: Pricing
  url: https://tradier.com/individuals/pricing
- type: StatusPage
  url: https://status.tradier.com/
- type: Plans
  url: plans/tradier-plans-pricing.yml
- type: RateLimits
  url: rate-limits/tradier-rate-limits.yml
- type: FinOps
  url: finops/tradier-finops.yml
- type: LlmsText
  url: https://docs.tradier.com/llms.txt
- url: https://blog.tradier.com/blog/rss.xml
  type: Blog
- type: Security
  url: https://tradier.com/legal/vulnerability-disclosure-policy
- type: APIReference
  url: https://docs.tradier.com/reference/brokerage-api-user-get-profile
- type: GettingStarted
  url: https://docs.tradier.com/docs/getting-started
- type: Support
  url: https://support.tradier.com/
- type: TermsOfService
  url: https://tradier.com/legal
- type: PrivacyPolicy
  url: https://tradier.com/legal/privacy-policy
- type: SignUp
  url: https://dash.tradier.com/sign-up
- type: MCPServer
  url: mcp/tradier-mcp.yml
- type: ToolCrosswalk
  url: mcp/tradier-tool-crosswalk.yml
- type: LLMsTxt
  url: llms/tradier-llms.txt
- type: WellKnown
  url: well-known/tradier-well-known.yml
- type: SecurityTxt
  url: well-known/tradier-security.txt
- type: Packages
  url: packages/tradier-packages.yml
- type: SDKs
  url: packages/tradier-packages.yml
- type: OAuthScopes
  url: scopes/tradier-scopes.yml
- type: Conformance
  url: conformance/tradier-conformance.yml
- type: ErrorCatalog
  url: errors/tradier-error-codes.yml
- type: ErrorCatalog
  url: errors/tradier-problem-types.yml
- type: Lifecycle
  url: lifecycle/tradier-lifecycle.yml
- type: Sandbox
  url: sandbox/tradier-sandbox.yml
- type: Conventions
  url: conventions/tradier-conventions.yml
- type: ChangeLog
  url: changelog/tradier-changelog.yml
- type: DataModel
  url: data-model/tradier-data-model.yml
- type: Overlay
  url: overlays/tradier-brokerage-overlay.yaml
- type: AgentSkill
  url: skills/_index.yml
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com

Tradier

Kin Score

APIs 3

Tradier Brokerage API

Tradier Streaming API

Tradier MCP Server

MCP Servers 1

tradier-mcp.yml

Pricing Plans 1

Tradier Plans Pricing

Rate Limits 1

Tradier Rate Limits

FinOps 1

Tradier Finops

Event Specifications 1

Tradier Streaming WebSocket API

Spectral Rules 1

Tradier API Rules

Security Posture 3

Tradier Authentication

Tradier Domain Security

Tradier Vulnerability Disclosure