post https://api.railz.ai/v2/accounting/attachments
Supported for:
quickbooks
xero
freshbooks
sageIntacct
sageBusinessCloud
oracleNetsuite
dynamicsBusinessCentral
zohoBooks
Using Postman to attach a file to an invoice or bill
If you use Postman, there are some extra steps you need to follow to attach a file to an invoice or bill.
- Set up a POST request.
- In the request setup, select Body.
- From the Body menu, select form-data.
- Click in the first KEY row, and then enter proper keys for
connection[]
anddata[]
per the image below to identify the connection and link. - Add a
file
key, and then from the File list, select File. - In the corresponding VALUE field, select Select Files and browse to the file you wish to attach.
- You can make an API request.

Post Attachment in Postman.
📤
Create Attachments
Open Recipe
Attachment Size
Attachment size is limited to 5MB.