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The developer API is in beta. Breaking changes may be introduced at any time.
See API capabilities for coverage and features that still require the website.

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1. Create an API key

Open API Key Settings, name the key, and copy the secret when it appears. MyFundedPerps stores only its cryptographic hash, so the secret cannot be shown again.

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2. List your accounts

GET /v1/accounts/{account_id} adds a fresh risk snapshot with equity, unrealized P&L, reserved margin, available balance, gross exposure, loss floors, room above each floor, and remaining profit target. When any open position lacks a fresh mark, mark-dependent values are null and marks_complete is false. Copy the id of the challenge account you want to trade.

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3. Find a market and request a quote

Each market lists its trading granularity. Sizes are in base-asset units, so contract_size is always 1. Order sizes are multiples of size_step, at least min_size, and worth at least min_notional USD. Prices are accepted to tick_size (eight decimals) and are not rounded to the venue’s tick. Market IDs contain a pipe character. URL-encode it when it appears in a path:
Providing both side and size returns estimated_fill_price (top-of-book bounded by the mark-based slippage cap), slippage_bps (the market’s maximum adverse slippage tier), estimated_notional, and estimated_fee. fillable is false when the requested size is not valid at the market’s size precision.

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4. Place a market order

Use the quote’s mid as expected_price. This value records what your client observed; the server still prices and validates the order from a fresh, authoritative book.
An accepted order begins as pending. Read the order endpoint until it becomes filled or rejected; use a sensible backoff and observe the documented rate limits. If the placement response is lost, use GET /v1/orders?client_order_id=quickstart-entry-1 to recover the server order.

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5. Place advanced orders

The same /v1/orders endpoint also accepts limit, chase, stop, take, and external conditional orders. TWAP, VWAP, and scaled ladders use their own parent resources. Continue with Trading with the API for request shapes and lifecycle operations. For continuous market updates, connect to market data streaming instead of polling prices. For order, fill, position, and balance changes on your accounts, connect to account streaming; REST remains available for snapshots and lookups.