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latestOpenAPI 3.1.0MIT2026-08-104712182.1 KB

c71c20d26559

carriers

Add funds to carrier account

Adds funds to a carrier account using the payment information on file.

IMPORTANT: Requires approval from apisupport@shipstation.com before use.

post/carriers/addfunds

Request body

carrierCodestring required

The carrier to add funds to

amountnumber required

Dollar amount to add (min $10, max $10,000)

Example request

{
  "carrierCode": "fedex",
  "amount": 20
}

Response

Funds added successfully

namestring
codestring
accountNumberstring
requiresFundedAccountboolean
balancenumber

Example response

{
  "name": "Stamps.com",
  "code": "stamps_com",
  "accountNumber": "SS123",
  "requiresFundedAccount": true,
  "balance": 24.14
}