Estimate order cost before placing
Returns a custodian-backed estimate for market or limit orders only. Does not place an order. Indicative values only — execution price and fees may differ.
Authorizations
HTTP Basic Authentication using the API Key as username and API Secret as password.
Path Parameters
Prefixed public id of the investor (e.g. inv_…).
Body
Ticker symbol of the asset to estimate.
"AAPL"
buy, sell Only market and limit are supported. Stop, stop-limit, and trailing orders cannot be estimated via this endpoint.
market, limit Optional market disambiguation (same as place order).
Optional ISIN.
Optional FIGI.
Share quantity (required for sell; for market buy, provide either quantity or notional).
"10"
Dollar amount for a market buy estimate when quantity is omitted; uses the asset reference price. Not supported for sells.
"1000.00"
Required when type is limit (with quantity).
Response
Estimate returned.
Pre-trade cost estimate from the routed custodian. Values are indicative only; execution price and fees may differ.
The resource type discriminator.
"order_estimate"
Whether this resource was created against a live API key.
Test-mode keys always return false.
false
Prefixed public id (e.g. inv_…, ord_…, dep_…).
"inv_01j9x8m2k7qpzwv3t5r6y8n0ab"
Unix-seconds timestamp of resource creation.
1747776000
Partner-set key/value map for cross-referencing.
buy, sell market, limit "USD"
Formatted total estimated value (currency precision).