Action failure message: Your server returned a 400

Issues and Errors
1

Hello community of blynk

im need some help to solve this problem that im stuck with.

im trying to control a relay with google assistant ussing IFTTT platform(webhooks)
its working good on my cellphone but when i use ifttt it shows a error message(Your server returned a 400.)

my webhook method is made like this:

http://45.55.96.146/MyAuthToken/update/D4
Method: PUT
Content type: Application/json
body: [“0”]

sorry if i make a mistake writing on English, i’m from México
i hope someone can help me,i will appreciate much:D

btw: im using the nodemcu 8266

2

I recommend you to use get method instead of put.

Url : http://blynk-cloud.com/auth_token/update/pin?value=value
Method : GET
content type : application/json
header is empty

4

Are you using blynk iot or blynk legacy ?

5

im using blynk IoT

6

Check this out :

https://docs.blynk.io/en/blynk.cloud/https-api-overview

7

Thanks john you help me a lot, i dont know how to thank you, its working :smiley:

8

I’m so glad it worked.
Have a great day.