In the table below are described all REST services available on µFR Nano Online. The HTTP method is POST. Basic Authorization is needed except for /uart1 and /uart2. Username and password are the same as login.
| URL | Parameters | Description |
| /info | None | Get configuration info. |
| /scan | None | Get available WiFi networks. |
| /togglemode | None | Toggle master/slave mode. |
| /toggletransparent | None | Toggle transparent mode. |
| /changetransparent | None | Change the transparent device mode. |
| /changeap | SSID, password | Change device AP SSID and password. |
| /changehost | host | Change master mode host. |
| /changebroadcast | IP | Change master mode UDP broadcast IP. |
| /changeauth | username, password | Change authorization credentials. |
| /changesta | SSID, password | Connect to the WiFi network. |
| /setport | port1, port2 | Change UDP/TCP ports. |
| /disconnect | None | Disconnect from the WiFi network. |
| /restart | None | Reboot the device. |
| /toggleserver | None | Toggle UDP/TCP protocol. Only in slave mode. |
| /toggleble | None | Toggle BLE Low Energy mode. |
| /setbaud | UART1, UART2 | Change UART1 and UART2 baud rates. |
| /setdefaultbaud | UART | Reset connected µFR device to the default baud rate. |
| /toggle485 | None | Toggle UART2 RS485 support. |
| /setdefault | None | Reset device to factory default settings. |
| /togglepost | None | Toggle master mode POST request. |
| /togglebroadcast | None | Toggle master mode UDP broadcast. |
| /togglelinear | None | Toggle linear read. Only in master mode. |
| /changelinearmode | mode | Change linear read mode (1-8). |
| /changelinearsize | begin, size | Change linear read address and size. |
| /changelinearauth | auth | Change linear read auto mode (0x60, 0x61…) |
| /changelinearkeyindex | index | Change linear read key index (0-31). |
| /changelinearkey | HEX string | Change linear read key. |
| /uart1 | HEX string | Send HEX string commands to UART1. |
| /uart2 | HEX string | Send HEX string commands to UART2. |
| /tooglebt | None | Toggle BLE Serial mode. |
| /togglesleep | None | Toggle Modem sleep. |
| /update | requested_fw_version | Request firmware and update. |
| /getµFRlist | UART | Get µFR Nano firmware list. |
| /µFRupdate | UART, vers | Update µFR Nano. Request /getµFRlist first. |
| /changeblepin | PIN | Change BLE Low Energy passkey. |
| /setrtc | RTC | Set RTC UTC date/time. |
| /getrtc | None | GET request returns RTC UTC date/time. |
| /getled | None | GET current LED colors (r1g1b1r2g2b2) in HEX |
| /setled | HEX colors string | Set LED colors |
| /togglestatic | None | Toggle static/DHCP IP address |
| /changestatic | IP, mask, gateway, DNS | Change static IP address parameters |
