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Embed Hyperlink in JSON HTTP Post

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Posted on by mikeTA

I have a flow that is designed to post a message to a channel using "Send HTTP Request". I am doing it this way so I can tag the channel, as the regular "Post a message in a chat or channel" does not allow you to tag the channel.

Anyway, I have the flow setup as seen below. I am able to get it to function perfectly without the href, but whenever I add the href I get the error: "Unable to read JSON request payload. Please ensure Content-Type header is set and payload is of valid JSON format."

I have checked what I can for JSON, compared what I have to hyperlinks that work when flow posts on its own using "Post a message in a chat or channel", and it all lines up.

Any help would be appreciated.

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Building flows

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Matthy79 4,188 Super User 2024 Season 1 on at

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Hello @mikeTA

@The string in the screenshot is not a valid json. Mentions is not closed and the object itself not closed too.

Try to add

]}

to the payload?

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mikeTA 6 on at

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Where are you suggesting I add ]} ? I only ask because the JSON works and the HTTP request posts as expected until the href <a> is added.

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Matthy79 4,188 Super User 2024 Season 1 on at

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Put it at the end.

Have you tried to add the current JSON to a Compose action to see the whole JSON output after putting the dynamic content in it? If not, please do so and send us an output of it. For me it doesn't look like a valid JSON and so I'm surprised something happens at all.

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mikeTA 6 on at

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Did as you suggested and still received the same error. I even tried adding to compose and received what you expected - that its not valid JSON - so now I am even more confused.

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mikeTA 6 on at

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For more context, I left in your suggestion and took out the href and the code worked as intended.

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Matthy79 4,188 Super User 2024 Season 1 on at

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Sorry. Can't open your screenshots (doesn't load). Can you post the JSON by using "Source Code" (HTML)?

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