Tradier Developer Sandbox
Stocks Free key (no card)
AuthenticationFree key (no card)
Rate limitNo published numeric limit for the free sandbox; use reasonable request rates.
Documentation: documentation.tradier.com ยท Checked Sep 13, 2026
About
Tradier's free Developer Sandbox gives developers delayed US equity market data plus virtual paper trading without a funded brokerage account: place, view, and cancel practice orders, manage positions, and pull quotes, option chains, and historical data against a sandbox account.
Details
Free to start. You may need a free key, but no credit card.
Auth: Free key (no card)
Rate limit: No published numeric limit for the free sandbox; use reasonable request rates.
Verified: 2026-09-13
Best for: Paper trading bots Brokerage API prototyping Option chain apps
Setup
- Sign up free at developer.tradier.com (no funded account needed).
- Generate a sandbox API access token and note your paper account number.
- Send requests to https://sandbox.tradier.com with Authorization: Bearer <token>.
Example
GET https://sandbox.tradier.com/v1/markets/quotes?symbols=AAPL (Authorization: Bearer YOUR_TOKEN)Use cases
- Testing algorithmic trading strategies with fake money
- Building brokerage-style dashboards and watchlists
- Fetching option chains and expirations for analysis