Eval frameworks grade what your agent said. To test an agent that calls Shopify, Zendesk or QuickBooks, you also need to control the state those APIs return and check the requests the agent sent.
Define expected agent behaviour, grade API calls, and reuse starting data across runs. Plus a WebEDI twin and expanded Shopify and Linear coverage. September 22 to 28, 2026.
Live · console.twinbay.ai
Create an environment and point your existing SDK at the hostname it gives you. The environment logs each request your agent makes, and you can edit any record it holds.
Start buildingAn environment in under a minute, no card required. Twinbay is free for academic researchers.