Technology / API

One integration. The full SDM liquidity feed.

Programmatic, direct access to SDM's execution infrastructure — market connectivity, order management, and portfolio tracking consolidated into a single integration point.

Sandbox available · SLA-backed uptime

Request API Access →Talk to integration →

POST · /v1/orders200 OK

curl -X POST https://api.sdm.co/v1/orders \
  -H "Authorization: HMAC-SHA256 ..." \
  -d {
    "symbol": "BTC-USD",
    "side": "buy",
    "type": "twap",
    "qty": "25.0",
    "duration": "30m"
  }

// response
{ "order_id": "9f3c...", "status": "working",
  "filled": "0.0", "venues": 7,
  "accepted": true }

4Integration protocols

FIX 4.2GTN gateway

<1sQuote response

SLAProduction uptime

API feature set

Every desk function, exposed.

The SDM Trading API consolidates execution, data, accounts, and access into one documented surface.

01Trading Functions

Order placement, modification, cancellation, and execution tracking — across the full algo suite and RFQ.

02Market Data

Real-time streaming quotes, full order-book depth, and historical data for backtesting and reconciliation.

03Account Management

Balances, positions, trade history, and embedded compliance checks on every request.

04User Access

Authentication, authorisation, session management, and multi-factor security for every seat.

05Integration Protocols

REST, FIX 4.2, WebSockets, and Server-Sent Events (SSE) — connect the way your stack already works.

06Mobile UI

Market watch, order book, charts, trade entry, and order management — the full desk, on any device.

Integration protocols

Connect the way your stack works.

Four first-class protocols, one liquidity feed. Mix and match across trading and market data.

RESTREST APIDocumented endpoints, idempotent order placement, webhooks, and a sandbox for integration testing.

FIX 4.2FIX sessionsNew order, cancel/replace, and execution reporting over a low-latency FIX 4.2 trading session.

WSWebSocketsStreaming market data, order updates, and entitlement events with sub-second delivery.

SSEServer-Sent EventsLightweight one-way event streams for dashboards and monitoring that don't need a full socket.

GTN gateway integration

FIX for trading, WebSockets for data.

A dedicated gateway with full execution reporting and automated end-of-day reconciliation.

FIX 4.2 trading

New order, cancel / replace, and execution reporting routed through the GTN gateway.

WebSocket market data

Streaming quotes and book depth, plus real-time entitlement events for permissioned symbols.

Daily EOD files

End-of-day reconciliation files delivered automatically for clearing, accounting, and audit.

Security architecture

Institutional security, by default.

Five layers of defense around every order, balance, and credential.

Encryption

HMAC request signing with SHA-256 across every authenticated endpoint.

Access control

Identity and Access Management (IAM) with granular, role-based entitlements.

Network security

Firewalls and a hardened reverse-proxy architecture in front of all services.

Endpoint monitoring

CrowdStrike real-time monitoring across the production estate.

Authentication

Multi-factor, token-based session management with short-lived credentials.

Part of the platform

Technology→

SDM Live

The institutional trading terminal — market watch, order book, charts, and OMS.

Services→

Spot Trading

Deep spot liquidity across 40+ assets via a 24/7 OTC desk built for size.

Services→

FX

Cross-border FX at institutional spreads over RFQ, portal, or API.

Build on the SDM feed

Request API keys, get sandbox access, and talk to an integration engineer. Onboarding takes under 15 minutes.

Request API Access →Talk to a Trader →

curl -X POST https://api.sdm.co/v1/orders \ -H "Authorization: HMAC-SHA256 ..." \ -d { "symbol": "BTC-USD", "side": "buy", "type": "twap", "qty": "25.0", "duration": "30m" } // response { "order_id": "9f3c...", "status": "working", "filled": "0.0", "venues": 7, "accepted": true }