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Can create cards but can't update their custom field (unauthorized card permission requested)

pei_iborra_gmail_com

Hello.

I'm developing a integration between TRELLO and our RDP via REST API.

Accordig to your documentation, I use a POST message to create a card in a specific List in our board.

Then I need to update a value in one of ours custom fields, for the same card. Then i send a PUT message indicating the card, the custom field and the value, but I get the result "unauthorized card permission requested"

The Api id and the token are same in both messages. And i think I have full permissions.

Testing I use Postman. Please see attached screenshots

Please can you help me? Captura de pantalla 2024-05-29 092235.png

Captura de pantalla 2024-05-29 092300.png

Accepted answers

Brittany Joiner

@pei_iborra_gmail_com
1) you might want to blur out the key and token in these screenshots

2) i tried this and it worked for me - i would make sure you have the right custom field id, because it was a little confusing for me at first to figure out what that was:

If that doesn't work, you might wanna create a support ticket here and see if it's still throwing that error: https://trello.com/contact

All comments

Brittany Joiner

@pei_iborra_gmail_com
1) you might want to blur out the key and token in these screenshots

2) i tried this and it worked for me - i would make sure you have the right custom field id, because it was a little confusing for me at first to figure out what that was:

If that doesn't work, you might wanna create a support ticket here and see if it's still throwing that error: https://trello.com/contact

pei_iborra_gmail_com

Hello Brittany, many thanks for your answer

For the point 1) I did, thanks

For the point 2) I don't know exactly from where you got your image. I need to clarify my initial approach:

a) I send a GET message ../boards/{id}/customFields in order to know all the custom fields an their id.

b) I send a POST message ../cards?idList={idList}&key...&token... in order to create a new card.

c) I send a PUT message ../cards/{idCard}/customField/{idCustomField}/item and get 'unauthorized card permission requested'

pei_iborra_gmail_com

Brittany:

While I was clarifying my approach, I found the problem: In the PUT message sent there was neither the ApiKey nor the Token, although it was in the 'Params' tab of Postman.

Thank you su much and sorry for the nonsense.

Captura de pantalla 2024-05-29 092300.png

Brittany Joiner

I was on a trello card and just added `.json` to the end of the url which shows you the available JSON.

So when you do A), are you using id or idModel?

I would try using the opposite of whatever you're using. But it should just be the straight up `id`, which i assume you have been using.

If that's the case, then you may not actually have permissions. If you go to the Trello board and create a card and update the field, does it let you? Are you a member or admin of the board? (You should be able to just be a member and do this, but if you change it to admin does it work?)

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