[1] https://shop.korewireless.com/pages/iot-data-plans-and-pricing [2] https://support.telnyx.com/en/articles/3296669-programmable-wireless-pricing
Neither organization was prepared for a high interest rate environment, and this is reflected in how they are choosing to alter their business model now that they feel larger clients are locked in.
What you might look at is prepaid SIMs on Amazon and eBay for IoT use. Many bundle a years service and a data allotment or speed cap for a very low price. Speedtalk for example only charges $0.05/MB when roaming internationally. Other vendors are even cheaper in Ireland tho.