EdgeX Control API

Base path: /api. Auth: HTTP Basic (same as console login).

REST Endpoints

• GET /health, GET /account
• GET /orders, POST /orders, DELETE /orders/{order_id}
• GET /snapshot, GET /relative-value
• GET /ui/state, POST /ui/patch, GET|POST /ui/bindings
• POST /ingest/quote, POST /ingest/signal
• POST /control/risk, GET|POST /control/optimizer
• GET /scripts, GET /scripts/{id}, POST /scripts/save, POST /scripts/{id}/wasm/build, POST /scripts/{id}/wasm/run, POST /scripts/{id}/wasm/test, POST /scripts/{id}/run, POST /scripts/{id}/stop

Websocket Stream

GET /stream?auth=Basic...

Client Commands

{"op":"set_subscriptions","kinds":["quote","order"],"quote_symbols":["AAPL","MSFT"]}
{"op":"subscribe","quote_symbols":["IBM"]}
{"op":"unsubscribe","kinds":["heartbeat"]}
{"op":"reset_subscriptions"}

Server Stream Events

snapshot, quote, signal, order, risk_control, optimizer_control, ui_patch, ui_bindings, script_saved, script_runtime, heartbeat, stream_control, stream_error.

Script Callback Skeletons

Python:
def on_event(event, ctx):
    return None

Rust:
pub fn on_event(event: &str) -> Option {
    None
}

WASM Script Endpoints

Rust scripts only. Build creates artifacts under the backend WASM root, run/test execute via configured WASM runtime.

POST /scripts/{id}/wasm/build
{} 

POST /scripts/{id}/wasm/run
{"input":"{\"kind\":\"quote\",\"symbol\":\"AAPL\"}"}

POST /scripts/{id}/wasm/test
{"input":"{\"kind\":\"test\"}","expected_output":"{\"ok\":true}"}

Message Dictionary Samples

Quote event:
{"kind":"quote","data":{"symbol":"AAPL","bid_px":100.0,"ask_px":100.1}}

Order command:
{"cmd":"submit_order","data":{"symbol":"AAPL","side":"buy","order_type":"limit","qty":10,"limit_price":100.0,"time_in_force":"day"}}

UI patch command:
{"cmd":"ui_patch","data":{"source":"script","updates":[{"path":"table.pnl.total_return","value":0.0123}]}}