# Exchanges The following table provides an overview of liquidity provider platforms that are supported by B2CONNECT and outlines the B2CONNECT adaptor connectivity capabilities when connecting to a corresponding platform.

Asset classes	Order book depth	Order types	Time in force	APIs & Protocols
Spot	5,000	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Spot	1,000	`Limit` `Market`	`IOC` `FOK` `GTC` `GTT`	`REST` `WSS`
Spot	150	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Spot	250	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Spot	150	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Spot	1,000	`Limit` `Market`	`IOC` `GTC` `GTD`	`REST` `WSS`
Spot	100	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Spot	5,000	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Spot	100	Price feed only	Price feed only	`WSS`
Spot	150	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Perpetual futures	1,000	`Limit` `Market`	`IOC` `FOK` `GTC` `GTX`	`REST` `WSS`
Perpetual futures	150	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Perpetual futures	250	`Limit` `Market`	`IOC` `FOK` `GTC`	`REST` `WSS`
Perpetual futures	250	`Limit` `Market`	`IOC` `FOK` `GTC` `GTT`	`REST` `WSS`

[^1]: 20 for WSS --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.b2connect.b2broker.com/supported-venues/exchanges.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.