API Overview

The table lists Zephyr’s APIs and information about them, including their current stability level.

API	Status	Version Introduced	Version Modified
ADC	Stable	1.0	2.2
Audio Codec	Experimental	1.13	1.13
Audio DMIC	Experimental	1.13	1.13
Bluetooth	Stable	1.0	2.4
Clock Control	Stable	1.0	2.2
CoAP	Unstable	1.10	2.4
Controller Area Network (CAN)	Experimental	1.14	2.1
Counter	Unstable	1.14	2.2
Crypto	Stable	1.7	2.2
DAC	Experimental	2.3	2.3
DMA	Stable	1.5	2.4
Device Driver Model	Stable	1.0	2.4
Devicetree API	Experimental	2.2	2.4
Disk Access	Stable	1.6	2.0
Display Interface	Unstable	1.14	2.2
EC Host Command	Experimental	2.4	2.4
EEPROM	Unstable	2.1	2.1
Entropy	Stable	1.10	1.12
File Systems	Stable	1.5	2.4
Flash	Stable	1.2	2.4
Flash Circular Buffer (FCB)	Stable	1.11	2.1
Flash map	Stable	1.11	2.3
GNA	Experimental	1.14	1.14
GPIO	Stable	1.0	2.2
Hardware Information	Stable	1.14	2.3
I2C	Stable	1.0	2.4
I2S	Stable	1.9	1.12
IPM	Stable	1.0	2.4
KSCAN	Stable	2.1	2.2
Kernel Services	Stable	1.0	2.4
LED	Stable	1.12	2.4
Lightweight M2M (LWM2M)	Unstable	1.9	2.5
Logging	Stable	1.13	1.14
MQTT	Unstable	1.14	2.4
Miscellaneous APIs	Stable	1.0	2.2
Networking	Stable	1.0	2.4
Non-Volatile Storage (NVS)	Stable	1.12	1.14
PECI	Stable	2.1	2.4
PS/2	Stable	2.1	2.1
PWM	Stable	1.0	2.2
Pinmux	Stable	1.0	1.11
Power Management	Experimental	1.2	2.2
Random	Stable	1.0	2.1
Regulators	Experimental	2.4	2.4
SDHC	Stable	1.14	2.0
SPI	Stable	1.0	1.12
Sensors	Stable	1.2	2.4
Settings	Stable	1.12	2.1
Shell	Stable	1.14	2.4
Stream Flash	Experimental	2.3	2.3
UART	Stable	1.0	2.4
UART async	Unstable	1.14	2.2
USB device stack	Stable	1.5	2.4
User Mode	Stable	1.11	1.11
Utilities	Experimental	2.4	2.4
Video	Stable	2.1	2.1
Watchdog	Stable	1.0	2.0