Every StaxInvesting article tagged broker integrations · 3 posts.
3 articles
The tastytrade order format is simple enough to get subtly wrong in ways that never throw an error. Per-unit pricing, the debit and credit sign convention, accepted versus filled, and what to do when a submission times out and you do not know whether it landed.
There is no published tastytrade requests-per-minute limit, which makes most advice on this topic invented. What is documented is more dangerous: an IP block for repeated failed logins, typically eight hours, delivered as a timeout rather than an error code. Here is how automated clients trigger it and how to build so they do not.
Session-token authentication is gone, but most tastytrade integration guides still teach it. Here is the current OAuth2 model, why the fifteen-minute session token is the easy part, how to avoid a refresh stampede under concurrency, and the specific failure modes that show up in production.
