APIs
The CAAS API is on /sapi/v1/broker/*, grouped into three areas. Every endpoint is called with your
master account API key.
This index does not replace the endpoint reference. Each endpoint's parameters, responses, and error codes are in the CAAS REST API.
| Area | What it covers |
|---|---|
| Account | Create and delete sub-accounts, issue and delete their API keys, set key permissions and IP restrictions, enable futures, and query broker info. |
| Asset | Query sub-account spot, margin, and futures balance summaries and deposit history, and move funds between the master account and its sub-accounts. |
| Fee | Set and query the commission you earn on each sub-account's spot and futures activity, and query rebate records. |
What is not in this API
| You need | Use instead |
|---|---|
| Spot or futures trading | The main trading APIs, with the sub-account's own API key |
| External deposits and withdrawals | Wallet /sapi/v1/capital/* |
| Account and order events | User Data Streams |
| End-user KYC | KYC SaaS |
| Commission above Binance's own fee | Markup |
| Fiat on/off-ramp | Institutional Crypto Buy/Sell Solution |
The CAAS Asset endpoints move funds between the master account and its own sub-accounts. They do not send funds to an external address — see Environments and API base URLs for which product owns which endpoint family.
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