Get your CassPort remittances and invoice statuses by API

What you can build on CassPort

• Get remittance details

  Build this

  Reads Remittance reporting under Reporting & BI for the payments Cass made to you on behalf of a client in a date range.

  Takes

  Payment date from, payment date to, Cass client (optional)

  Returns

  Client, payment date, payment method, check or reference number, payment amount, invoices paid with their amounts

• Check freight invoice status

  Build this

  Reads the invoices your profile shows for one Cass client, with where each one stands and any exception or rejection reason.

  Takes

  Cass client, invoice numbers (optional), invoice date from (optional)

  Returns

  Invoice number, PRO number, invoice date, amount billed, status, exception or rejection reason

• Read the invoice upload history

  Build this

  Reads your invoice upload history in CassPort: which files you uploaded, when, and the invoices in each.

  Takes

  Uploaded since

  Returns

  Upload date, file name, Cass client, invoice numbers, invoice count

• Upload a freight invoice

  Build this

  Uploads an invoice to CassPort for the Cass client you bill, on an account that Cass carrier support has set up for uploads.

  Takes

  Cass client, invoice number, PRO number, invoice date, amount, invoice file

  Returns

  Invoice number, Cass client, upload date, confirmation shown

Automate CassPort with a workflow

A workflow runs your methods as one process, with nobody at the screen. A schedule or a call from your own system starts it, the steps run in order, and the result arrives in your inbox or in the systems you already use.

• Yesterday's Cass payments, posted to accounting

  Build this

  Starts

  Every weekday at 8:00

  Step 1

  Get remittance details for payments dated yesterday.

  Step 2

  Stop when there are none.

  Step 3

  Post each payment with the invoices it paid to your accounting system's webhook.

• New exceptions and rejections, every Cass client

  Build this

  Starts

  Every weekday at 7:30

  Step 1

  For each Cass client you bill, check freight invoice status for invoices from the last 60 days.

  Step 2

  Keep the invoices in exception or rejected that were not on the last run.

  Step 3

  Email you the list, one section per client.

• Uploaded invoices that never showed up

  Build this

  Starts

  Every Monday at 9:00

  Step 1

  Read the invoice upload history for the last 30 days.

  Step 2

  Check freight invoice status for each uploaded invoice and keep the ones uploaded 3 or more days ago that are not found.

  Step 3

  Email you the list with upload date and file name.

You can run a workflow by hand on every plan, Free included. Schedules and webhook triggers come with the paid plans, from $29 a month.

Once built, one call from your code

Once you have built a method, it is one POST to /v1/runs from your backend, or a tool an AI agent calls over MCP. This is what “Get remittance details” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "my.cassport.com/get_remittance_details",
    "input": {
      "payment_date_from": "2026-11-09",
      "payment_date_to": "2026-11-11"
    }
  }'

{
  "status": "completed",
  "data": {
    "payments": [
      {
        "client": "Acme Manufacturing",
        "payment_date": "2026-11-10",
        "payment_method": "ACH",
        "reference_number": "ACH-0048213",
        "amount": 4870.5,
        "currency": "USD",
        "invoices": [
          {
            "invoice_number": "NW-118204",
            "pro_number": "PRO-77310452",
            "amount_paid": 2310
          }
        ]
      }
    ],
    "count": 1
  }
}

An example with invented data, not a ready-made endpoint. The method exists in your organization once you build it, and its name, inputs and fields follow your request.

CassPort’s own options

Cass offers carriers no public API. Its carrier help center says Cass continues to explore API options and asks carriers with an immediate need to email its EDI team. Carriers can send invoices by EDI 210 for the Cass clients they name, receive electronic 820 remittances, and use CassPort itself for invoice status and remittance reporting.

Read on November 12, 2026: Cass carrier help center, EDI 210 Data Form, Tools that save time: carrier operations and invoice visibility.

Signing in to CassPort

CassPort signs you in with a username and a password. You register yourself with Sign Up, choose Company Type Carrier, and receive your username and password by email; usernames cannot be changed. With Fous you sign in once through CassPort's own sign-in with your own account: the login is sealed with AES-256, never returned by the API or written to logs, and an expired session is signed back in.

Worth knowing

Your profile decides which invoices you see

CassPort accounts are profile based. If a colleague sees invoices you do not, or you start billing a new Cass client, carrier support updates your profile when you email your username and the client's name.

Uploading is switched on per user

A new user who needs to upload invoices asks carrier support first. Setup generally takes 24 to 72 hours, and Cass then sends upload instructions.

A submitted invoice cannot be removed

Once an invoice has been uploaded and submitted, there is no way to remove it in CassPort. Check each invoice before you submit it.

Exceptions hold the payment

An invoice is paid only after it is approved and has finished processing, so an invoice in exception waits. The same holds for Expedite payments.

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