Turn ShipmentLink into an API

What you can build on ShipmentLink

• Check demurrage and detention by B/L

  Build this

  Opens View Details & Calculate under Demurrage & Detention for one B/L and reads each container's free days, last free date and estimated charges.

  Takes

  B/L number

  Returns

  Container number, size and type, free days, last free date, estimated charges, currency

• Track shipments in Member Tracking

  Build this

  Searches Member Tracking by time range, B/L number or container number and reads where each shipment stands, from booking to arrival.

  Takes

  Date range, or B/L number, or container number

  Returns

  B/L number, container number, latest event, location, event date, vessel and voyage, estimated arrival

• Get arrival notices

  Build this

  Reads Arrival Notice under Import Document for your import shipments, one row per B/L.

  Takes

  Arrival date range or B/L number

  Returns

  B/L number, vessel and voyage, port of discharge, place of delivery, estimated arrival, containers, charges listed

• List invoices in My Payment

  Build this

  Reads your invoices under My Payment (Freight Details and i-Invoice) for a date range or a B/L.

  Takes

  Date range or B/L number

  Returns

  Invoice number, B/L number, issue date, charge items, amount, currency, payment status

Automate ShipmentLink 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.

• Containers close to their last free date

  Build this

  Starts

  Every weekday at 7:00

  Step 1

  For each open B/L you list, check demurrage and detention.

  Step 2

  Keep the containers whose last free date is within the next 3 days.

  Step 3

  Email you the list with B/L number, container, last free date and estimated charges.

• Shipment status changes, posted to your TMS

  Build this

  Starts

  Every 2 hours

  Step 1

  Track your shipments in Member Tracking for the last 30 days.

  Step 2

  Keep the shipments whose latest event or estimated arrival changed since the last run.

  Step 3

  Post each one to your TMS or Slack webhook.

• New arrival notices, posted to your ERP

  Build this

  Starts

  Every weekday at 8:00

  Step 1

  Get the arrival notices for shipments arriving in the next 14 days.

  Step 2

  Keep the B/Ls that were not there on the last run.

  Step 3

  Post each one to your ERP webhook and email you a summary.

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 “Check demurrage and detention by B/L” would look like.

curl https://api.fous.com/v1/runs \
  -H "Authorization: Bearer $FOUS_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "method": "www.shipmentlink.com/check_demurrage_detention",
    "input": {
      "bl_number": "142600008817"
    }
  }'

{
  "status": "completed",
  "data": {
    "bl_number": "142600008817",
    "consignee": "Northwind Traders",
    "port_of_discharge": "Rotterdam",
    "containers": [
      {
        "container_number": "EMCU0000412",
        "size_type": "40' HC",
        "free_days": 7,
        "last_free_date": "2026-11-14",
        "estimated_charges": 0,
        "currency": "EUR"
      }
    ],
    "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.

ShipmentLink’s own options

Evergreen runs an API portal with Track & Trace, Booking, eBL (Shipping Instruction, Transport Document, Issuance, Surrender), Arrival Notice and Commercial Schedules APIs. Access is not self-serve: you apply through your Evergreen sales representative and complete an API Requirement Form. Track & Trace is currently free. EDI is applied for after signing in as a member.

Read on November 12, 2026: Evergreen API portal, API portal FAQ, Evergreen Line e-Commerce services.

Signing in to ShipmentLink

ShipmentLink signs members in with a User ID and password, and signs you out after 30 minutes without activity. With Fous you sign in once through ShipmentLink'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

Two kinds of membership

Quick registration covers Cargo Tracking, schedules, tariffs and VGM. The All-in-One Service, Arrival Notice, My Invoice and the other e-Commerce services are for customers with regular business with Evergreen Line.

Booking number tracking is regional

Cargo Tracking accepts a B/L number, a container number or a booking number, but tracing by booking number works only for specific countries and areas. A method that tracks is safest keyed on the B/L or container.

The tracking API starts at go-live

Evergreen's Track & Trace API only traces events that happen after your launch. Past events are not returned, so history from before go-live stays in ShipmentLink.

30 minutes idle ends the session

ShipmentLink logs you out automatically after 30 minutes without activity, so a check scheduled every 2 hours finds the last session ended. Fous signs back in before each run.

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