Every StaxInvesting article tagged public.com · 5 posts.
5 articles
Broker APIs differ less on capability than on architecture, and the differences show up as work you have to do rather than boxes you cannot tick. A comparison of tastytrade and Public.com on the dimensions that actually change how you build.
The pipeline shape is familiar; the receiving half is not. Public routes multi-leg orders through a separate endpoint, offers preflight validation, has no documented sandbox, and grants access under terms that decide who can legitimately operate the receiver.
Public.com is a reasonable automation target with commission-free trading and per-contract options rebates. It also has no documented sandbox and an individual-use licensing program, both of which change how you set up and validate.
Paper trading proves your software does what you told it to. That is genuinely valuable and a much smaller claim than it sounds. Knowing which questions a sandbox can answer is the difference between useful testing and false confidence.
Public.com runs a genuinely capable brokerage API with good tooling and unusual economics — options contracts traded through it earn a rebate rather than a commission. It also comes with a licensing term that decides whether it fits what you are building at all.
