ESP8266 API in Home Assistant?

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Forums › Gadgets, robotics, home automation, electronics (including wearables) › ESP8266 API in Home Assistant?

peejayw

1839 posts

Uber Geek

#319472 28-Apr-2025 14:44

I have an ESP8266 sending data from a moisture probe, been working fine for some time.
It is now throwing this error........

14:36:08

[W]

[component:170]

Component api cleared Warning flag

14:36:08

[W]

[api.connection:107]

: Reading failed: BAD_INDICATOR errno=11

14:36:08

[W]

[component:157]

Component api set Warning flag: unspecified

When I checked the yaml file i see this...

# Enable Home Assistant API

api:

I thought there was a key there before, any idea on where I would find the api key?

Thanks.

I'm supposed to respect my elders, but it's getting harder and harder for me to find one now.

elpenguino

3374 posts

Uber Geek

#3368302 28-Apr-2025 14:47

Are you using this sensor with ESPHome?

Most of the posters in this thread are just like chimpanzees on MDMA, full of feelings of bonhomie, joy, and optimism. Fred99 8/4/21

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peejayw

1839 posts

Uber Geek

#3368303 28-Apr-2025 14:48

Yes I am.

I'm supposed to respect my elders, but it's getting harder and harder for me to find one now.

elpenguino

3374 posts

Uber Geek

#3368306 28-Apr-2025 15:14

You put the api key into each ESPHome device firmware, use the addon to find the editor.

# Enable Home Assistant API

api:

encryption:

key: "API key goes here"

But you also have to enter the same key so HA knows these messages are from ESPHome...... sorry, can't find where that is controlled right now.

Most of the posters in this thread are just like chimpanzees on MDMA, full of feelings of bonhomie, joy, and optimism. Fred99 8/4/21

peejayw

1839 posts

Uber Geek

#3368308 28-Apr-2025 15:19

In ESP Home, where it says show api key I get "Unable to automatically extract API key. It may not be set. Open the configuration and look for api:."

and in the config it just says

# Enable Home Assistant API

api:

I'm supposed to respect my elders, but it's getting harder and harder for me to find one now.

elpenguino

3374 posts

Uber Geek

#3368333 28-Apr-2025 16:18

Sorry, I can't for the life of me find the place where this is autogenerated in HA.

Most of the posters in this thread are just like chimpanzees on MDMA, full of feelings of bonhomie, joy, and optimism. Fred99 8/4/21

peejayw

1839 posts

Uber Geek

#3368335 28-Apr-2025 16:20

No worries, I had another ESP device so I copied the api from that and it worked, guess its not specific to the device.
Thanks for the replies.

I'm supposed to respect my elders, but it's getting harder and harder for me to find one now.

elpenguino

3374 posts

Uber Geek

#3368343 28-Apr-2025 16:36

Glad you got there.

AFAIK you're right, the API is common to all ESPHome devices. Accordingly, its defined in HA somewhere - but where?!

Most of the posters in this thread are just like chimpanzees on MDMA, full of feelings of bonhomie, joy, and optimism. Fred99 8/4/21

peejayw

1839 posts

Uber Geek

#3368344 28-Apr-2025 16:38

I am going to keep a copy, until I find where it's stored in HA 😀

I'm supposed to respect my elders, but it's getting harder and harder for me to find one now.

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