Custom Attachment Upload API

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Posted on by Ashiful Arefin

Hello,

I've built a custom API that takes JSON data with base64 encoded document. it works well but if the file size is greater than 1MB server returns this error,

/One or more errors occurred. (The maximum number of bytes allowed to be read from the stream has been exceeded. After the last read operation, a total of 1063435 bytes has been read from the stream; however a maximum of 1048576 bytes is allowed.)/

can anyone suggest an answer or if I need to change my approach. I know the standard way of uploading attachment through API is /post+patch/ but the client specifically wants to send a single request for attachment upload.

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Community member 6 on at

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Custom Attachment Upload API

We have a custom API that uploads files that started to fail for files bigger than 1MB around January 29^th. We have seen the same on several Business Central installations. I have now seen information from Microsoft that this 1MB limitation is a bug and that a fix is rolling out now, as of February 1^st. It might take a few days to reach all installations.
gdrenteria 12,167 Most Valuable Professional on at

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Custom Attachment Upload API

Hi

I hope it helps you a little.

https://ivansingleton.dev/importing-attachments-to-sales-orders-in-business-central-using-web-services/

https://community.dynamics.com/forums/thread/details/?threadid=da387e2f-9dd5-4e83-be93-5852d1f0e2bd

Best Regards

Gerardo