MCU + POE Design compatible with REST / SOAP API

Design an electronics board which comprises of MCU + POE that can work easily with REST / SOAP API to integrate with system on our side, additionally the board should have compatible connection to MFRC-522 RC522 card reader

- gerber
- bom
- schematic
- board
- limited component budget price (15 - 20 dollars)

If proven worked on similar project, awarding project will be made easier