Coinbase Exchange Trade Connector

Features

fix-coinbasexConnector Key

Instruments

FX

Request Types

SUBMITCANCELREPLACE

Order Types

MARKETLIMITSTOP_LIMIT

Time In Force

GTCIOCFOKGTD

Order ID Mapper

UUID

✗

Order Status Request

✓

Cancel On Disconnect

✓

Commission

✓

Post Only

✗

Fast Cancel

✗

Fast Replace

Notes

Message Recovery

Resend requests are not supported.
Each new connection starts a fresh session with sequence numbers reset to 1.

Cancel On Disconnect

Two Cancel-On-Disconnect options are supported:

Value	Description
SESSION	Batch cancel all open orders placed during session.
PROFILE	Batch cancel all open orders for the current profile.

NB: The default value is SESSION — all active orders are cancelled upon disconnect.

Commission

Fees and AggressorIndicator are included in the Trade Report Event.

Self Trade Prevention

Tag 7928	Settings	Description
O	CANCEL_RESTING	Cancel resting order
N	CANCEL_NEWEST	Cancel incoming order
B	CANCEL_BOTH	Cancel both orders

Rate Limits and Maximums

The FIX 5 Order Entry API rate limits are:

• 2 logons per second per API key
• 100 requests per second

Maximums

• Maximum connections per profile: 75 (see FIX Best Practices).
• Maximum connections per user across all profiles: 175
• Maximum API keys per session/connection: 1
• Maximum profiles per user: 100
• Maximum orders per batch message (new and cancelled): 15

Data Centers

Coinbase Exchange data centers are in the Amazon US East N.Virginia (us-east-1) region.

Documentation

https://docs.cdp.coinbase.com/exchange/fix-api/order-entry-messages/order-entry-messages5

Symbology

Currency pairs in BASE-QUOTE format, e.g. BTC-USD, ZEC-USDC.

Instruments: https://api.exchange.coinbase.com/products

Schedule

FIX5 Resets Saturdays at 1PM ET
FIX5 Order Entry and Market Data customers will be logged out every Saturday at 1PM ET (6PM UTC).

Changes are deployed every Monday and Thursday at or near 2PM EST (7PM UTC).
At that time, a logout message is sent from the server to indicate the session is ending.

Configuration

Connector settings

Parameter	Default Value	Description
senderCompId		API Key
secret		API Secret
password		API Passphrase
discardOnReconnect	true	Discard open order upon reconnect.
cancelOnDisconnect	SESSION	Cancel-On-Disconnect options. Valid values: PROFILE, SESSION
selfMatchPreventionInstruction	CANCEL_TAKING	Defines the strategy of dealing with matching orders if SMP is triggered. Valid values: CANCEL_RESTING, CANCEL_TAKING, CANCEL_BOTH.

Supported order attributes

Key	Description
18	ExecInst(18). Pass 6 to send Post Only order.
1109	TriggerPriceDirection(1109). Supported values: U - Trigger if market price goes UP to or through StopPx (default if StopPx is greater than current market price). D - Trigger if market price goes DOWN to or through StopPx (default if StopPx is less than current market price).
7928	SelfMatchPreventionStrategy(7928). Defines the strategy of dealing with matching orders if SMP is triggered. Valid values: N - Cancel taker order, O - Cancel maker order, B - Cancel both.

Config sample

connectors {
    COINBASEX : ${template.connector.fix.coinbasex} {
        settings {
            host = "<STUNNEL_ACCEPT_HOST>" # usually localhost
            port = <STUNNEL_ACCEPT_PORT>

            senderCompId = "<API_KEY>"
            targetCompId = "Coinbase"

            secret = "<API_SECRET>"
            password = "<API_PASSPHRASE>"
        }
    }
}