Webull Broker API for RIA / model portfolio platform — anyone using it?
We’re evaluating Webull as the brokerage/custody platform for a discretionary model-portfolio application.
The goal is for clients to do everything inside our own application — account opening/KYC, agreements, ACH funding, and ongoing account management — while we programmatically manage portfolios and place/rebalance trades across client accounts.
I’m specifically looking at the Webull Broker API / fully-disclosed model, rather than the consumer Connect API.
Has anyone here actually gone through Webull’s Broker API onboarding and production approval?
I’d especially like to understand:
- How difficult/long was the approval process?
- Are there minimum AUM, account-count, or trading-volume requirements?
- Are there API, platform, custody, or advisor/master-account fees?
- Can you get sandbox access before completing commercial approval?
- How much of onboarding/KYC/funding can actually be embedded in your own application?
- Can advisory fees be calculated and deducted programmatically?
- Can you programmatically rebalance models across multiple client accounts?
-Are clients ever required to use Webull’s own UI/portal?
If you’ve built an RIA/fintech integration with Webull Broker API, I’d really appreciate hearing about your experience, including anything you wish you’d known before starting.