> The symptoms were confusing: streaming worked perfectly with cURL and Postman, but failed completely with node-fetch and browser fetch. It would have been he

> The symptoms were confusing: streaming worked perfectly with cURL and Postman, but failed completely with node-fetch and browser fetch. It would have been helpful to mention what "failed completely" means. Did you get garbage data? Did the connection close abruptly? Did the connection hang and not deliver data? Did it deliver the data, just with a significant delay? Paying attention to these things also tends to make it easier to debug.