Reply
MaryMinneApple
New Member

Change date in JSON Source string

Hello, 

 

I'm trying to insert an updated date using either a parameter or Todays date into the string of  JSON source API for the end_date= section. I've tried various solutions I've found but keep getting various errors. Here is the original source code:

 

Source = Json.Document(Web.Contents("https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0...", [Headers=[#"Accept-Encoding"="gzip"]])),

 

Here is one of my updated attempts using a parameter. What is wrong with my syntax:

 

Source = Json.Document(Web.Contents("https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0..."&#"Weather Date Parameter"&"daily=temperature_2m_max,temperature_2m_min,temperature_2m_mean,apparent_temperature_max,apparent_temperature_min,apparent_temperature_mean,sunrise,sunset,precipitation_sum,precipitation_hours,windspeed_10m_max,windgusts_10m_max,winddirection_10m_dominant&temperature_unit=fahrenheit&windspeed_unit=mph&precipitation_unit=inch&timezone=America%2FChicago", [Headers=[#"Accept-Encoding"="gzip"]])),
#"Converted to Table" = Table.FromRecords({Source}),

 

Currently this is the error for above version:
DataSource.Error: Web.Contents failed to get contents from 'https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0...' (400): Bad Request
Details:
DataSourceKind=Web
DataSourcePath=https://archive-api.open-meteo.com/v1/archive
Url=https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0...

 

I've also tried inserting just the date formatted as I prefer which is YYYY-DD-MM and basically get same error: 

= Json.Document(Web.Contents("https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0..."&Text.From(Date.Year(DateTime.LocalNow())) & "-" & Text.End("0" & Text.From(Date.Day(DateTime.LocalNow())),2) & "-" & Text.End("0" & Text.From(Date.Month(DateTime.LocalNow())),2)&"daily=temperature_2m_max,temperature_2m_min,temperature_2m_mean,apparent_temperature_max,apparent_temperature_min,apparent_temperature_mean,sunrise,sunset,precipitation_sum,precipitation_hours,windspeed_10m_max,windgusts_10m_max,winddirection_10m_dominant&temperature_unit=fahrenheit&windspeed_unit=mph&precipitation_unit=inch&timezone=America%2FChicago", [Headers=[#"Accept-Encoding"="gzip"]]))

 

 

1 ACCEPTED SOLUTION
MaryMinneApple
New Member

Two minutes after I posted this I had a thought and realized my error. I needed a second amperstand after the parameter before the rest of the string. Correct source code is (blue is the updated code):

 

Source = Json.Document(Web.Contents("https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0..."&#"Weather Date Parameter"&"&daily=temperature_2m_max,temperature_2m_min,temperature_2m_mean,apparent_temperature_max,apparent_temperature_min,apparent_temperature_mean,sunrise,sunset,precipitation_sum,precipitation_hours,windspeed_10m_max,windgusts_10m_max,winddirection_10m_dominant&temperature_unit=fahrenheit&windspeed_unit=mph&precipitation_unit=inch&timezone=America%2FChicago", [Headers=[#"Accept-Encoding"="gzip"]])),
#"Converted to Table" = Table.FromRecords({Source}),

 

Alternatively this works too without parameters by dynamic Today's date:

Source = Json.Document(Web.Contents("https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0..."&Text.From(Date.Year(DateTime.LocalNow())) & "-" & Text.End("0" & Text.From(Date.Day(DateTime.LocalNow())),2) & "-" & Text.End("0" & Text.From(Date.Month(DateTime.LocalNow())),2)&"&daily=temperature_2m_max,temperature_2m_min,temperature_2m_mean,apparent_temperature_max,apparent_temperature_min,apparent_temperature_mean,sunrise,sunset,precipitation_sum,precipitation_hours,windspeed_10m_max,windgusts_10m_max,winddirection_10m_dominant&temperature_unit=fahrenheit&windspeed_unit=mph&precipitation_unit=inch&timezone=America%2FChicago", [Headers=[#"Accept-Encoding"="gzip"]])),

View solution in original post

1 REPLY 1
MaryMinneApple
New Member

Two minutes after I posted this I had a thought and realized my error. I needed a second amperstand after the parameter before the rest of the string. Correct source code is (blue is the updated code):

 

Source = Json.Document(Web.Contents("https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0..."&#"Weather Date Parameter"&"&daily=temperature_2m_max,temperature_2m_min,temperature_2m_mean,apparent_temperature_max,apparent_temperature_min,apparent_temperature_mean,sunrise,sunset,precipitation_sum,precipitation_hours,windspeed_10m_max,windgusts_10m_max,winddirection_10m_dominant&temperature_unit=fahrenheit&windspeed_unit=mph&precipitation_unit=inch&timezone=America%2FChicago", [Headers=[#"Accept-Encoding"="gzip"]])),
#"Converted to Table" = Table.FromRecords({Source}),

 

Alternatively this works too without parameters by dynamic Today's date:

Source = Json.Document(Web.Contents("https://archive-api.open-meteo.com/v1/archive?latitude=44.98&longitude=-93.2638&start_date=2010-01-0..."&Text.From(Date.Year(DateTime.LocalNow())) & "-" & Text.End("0" & Text.From(Date.Day(DateTime.LocalNow())),2) & "-" & Text.End("0" & Text.From(Date.Month(DateTime.LocalNow())),2)&"&daily=temperature_2m_max,temperature_2m_min,temperature_2m_mean,apparent_temperature_max,apparent_temperature_min,apparent_temperature_mean,sunrise,sunset,precipitation_sum,precipitation_hours,windspeed_10m_max,windgusts_10m_max,winddirection_10m_dominant&temperature_unit=fahrenheit&windspeed_unit=mph&precipitation_unit=inch&timezone=America%2FChicago", [Headers=[#"Accept-Encoding"="gzip"]])),

avatar user

Helpful resources

Announcements
March PBI video - carousel

Power BI Monthly Update - March 2025

Check out the March 2025 Power BI update to learn about new features.

March2025 Carousel

Fabric Community Update - March 2025

Find out what's new and trending in the Fabric community.

Top Solution Authors (Last Month)
Top Kudoed Authors (Last Month)