plugmyagent

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

  1. Sign up free at developer.tradier.com (no funded account needed).
  2. Generate a sandbox API access token and note your paper account number.
  3. Send requests to https://sandbox.tradier.com with Authorization: Bearer <token>.