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What is the URL structure of attachments?

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Maor_Conforti
5 - Automation Enthusiast
5 - Automation Enthusiast

When getting a record with a pdf attachment through the Airtable API, I see that the URL of the pdf attachment has the following structure:

https://dl.airtable.com/.attachment/<long-hash-code>/<short-hash-code>/<filename.ext>

Attachments thumbnails have the following structure:
https://dl.airtable.com/.attachmentThumbnails/<long-hash-code>/<short-hash-code>

What is the long-hash-code and what is the short-hash-code?

Can I assume that both hash codes will change when the pdf if replaced?
Can I assume that both hash codes will not change unless the file was replaced?

20 Replies 20

Hi @Greg_F , I would like to say thank you for your reply, it was really helpful!